Biosynthesis of polyhydroxyalkanoates and their applications

3D Melt-Extrusion Printing of Medium Chain Length Polyhydroxyalkanoates and Their Application as Antibiotic-Free Antibacterial Scaffolds for Bone Regeneration
Marcello, E., Nigmatullin, R., Basnett, Pooja, Maqbool, Muhammad, Prieto, M., Knowles, J.C., Boccaccini, A. and Roy, I. 2024. 3D Melt-Extrusion Printing of Medium Chain Length Polyhydroxyalkanoates and Their Application as Antibiotic-Free Antibacterial Scaffolds for Bone Regeneration. ACS Biomaterials Science & Engineering. https://doi.org/10.1021/acsbiomaterials.4c00624

Water desalination using 3D-printed biofilms in microbial desalination cells
Nyadroh, C., Keshavarz, T. and Kyazze, G. 2024. Water desalination using 3D-printed biofilms in microbial desalination cells. 6th Annual EBNet Early Career Researcher Conference. Newcastle University 24 - 26 Jul 2024

Modulating Aspergillus fumigatus biofilm formation: Antifungal-induced alterations in conidium-abiotic surface interactions
Tamimi, R., Kyazze, G. and Keshavarz, T. 2024. Modulating Aspergillus fumigatus biofilm formation: Antifungal-induced alterations in conidium-abiotic surface interactions. Fungal Interactions. 1 100002. https://doi.org/10.1016/j.funint.2024.100002

Enhanced Azo Dye Treatment in a Sequential Anaerobic-Aerobic Coupled System of a Biophotovoltaic Cell and Aerobic Bioreactor
Ibrahim, R., Keshavarz, T. and Kyazze, G. 2023. Enhanced Azo Dye Treatment in a Sequential Anaerobic-Aerobic Coupled System of a Biophotovoltaic Cell and Aerobic Bioreactor . 3rd Annual EBNet ECR conference. Edinburgh 30 Aug - 01 Sep 2023

Aligned Polyhydroxyalkanoate Blend Electrospun Fibers as Intraluminal Guidance Scaffolds for Peripheral Nerve Repair
Taylor, C., Behbehani, Mehri, Glen, Adam, Basnett, Pooja, Gregory, D., Lukasiewicz, Barbara B., Nigmatullin, R., Claeyssens, F., Roy, Ipsita and Haycock, John W. 2023. Aligned Polyhydroxyalkanoate Blend Electrospun Fibers as Intraluminal Guidance Scaffolds for Peripheral Nerve Repair. ACS Biomaterials Science & Engineering. 9 (3), pp. 1472-1485. https://doi.org/10.1021/acsbiomaterials.2c00964

Development of chitosan, pullulan, and alginate based drug-loaded nano-emulsions as a potential malignant melanoma delivery platform
Hatami Fard, G., Moinipoor, Z., Anastasova-Ivanova, S., Iqbal, H.M.N., Dwek, M., Getting, S.J. and Keshavarz, T. 2022. Development of chitosan, pullulan, and alginate based drug-loaded nano-emulsions as a potential malignant melanoma delivery platform . Carbohydrate Polymer Technologies and Applications. 4 100250. https://doi.org/10.1016/j.carpta.2022.100250

Cationic and non-ionic surfactant pretreatment of PET to enhance the bacterial biodegradation of PET
Ahmaditabatabaei, S., Iqbal, H., Moinipoor, Z., Kyazze, G. and Keshavarz, T. 2022. Cationic and non-ionic surfactant pretreatment of PET to enhance the bacterial biodegradation of PET. Chemical Engineering Transactions. 93, pp. 235-240. https://doi.org/10.3303/CET2293040

Effect of quorum quenchers on virulence factors production and quorum sensing signalling pathway of non-mucoid, mucoid, and heavily mucoid Pseudomonas aeruginosa
Kalgudi, R., Tamimi, R., Kyazze, G. and Keshavarz, T. 2022. Effect of quorum quenchers on virulence factors production and quorum sensing signalling pathway of non-mucoid, mucoid, and heavily mucoid Pseudomonas aeruginosa. World journal of microbiology & biotechnology. 38 (9) 163. https://doi.org/10.1007/s11274-022-03339-9

3D Disease Modelling of Hard and Soft Cancer Using PHA-Based Scaffolds
Tomar, A., Uysal-Onganer, P., Basnett, P., Pati, U. and Roy, I. 2022. 3D Disease Modelling of Hard and Soft Cancer Using PHA-Based Scaffolds. Cancers. 14 (14) e3549. https://doi.org/10.3390/cancers14143549

Antifungal effect of triclosan on Aspergillus fumigatus: quorum quenching role as a single agent and synergy with liposomal amphotericin-B
Tamimi, R., Kyazze, G. and Keshavarz, T. 2022. Antifungal effect of triclosan on Aspergillus fumigatus: quorum quenching role as a single agent and synergy with liposomal amphotericin-B. World Journal of Microbiology and Biotechnology. 38 (8) 142. https://doi.org/10.1007/s11274-022-03325-1

Controlled Delivery of Pan-PAD-Inhibitor Cl-Amidine Using Poly(3-Hydroxybutyrate) Microspheres.
Ahmed, D., Puthussery, Hima, Basnett, Pooja, Knowles, J., Lange, S. and Roy, I. 2021. Controlled Delivery of Pan-PAD-Inhibitor Cl-Amidine Using Poly(3-Hydroxybutyrate) Microspheres. International Journal of Molecular Sciences. 22 (23) 12852. https://doi.org/10.3390/ijms222312852

Controlled Delivery of Pan-PAD-Inhibitor Cl-Amidine Using Poly(3-Hydroxybutyrate) Microspheres
Ahmed, D., Puthussery, H., Basnett, P., Knowles, J., Lange, S. and Roy, I. 2021. Controlled Delivery of Pan-PAD-Inhibitor Cl-Amidine Using Poly(3-Hydroxybutyrate) Microspheres. International Journal of Molecular Sciences. 22 (23) e12852. https://doi.org/10.3390/ijms222312852

Quorum quenchers affect the virulence regulation of non-mucoid, mucoid and heavily mucoid biofilms co-cultured on cell lines.
Kalgudi, R., Tamimi, Roya, Kyazze, Godfrey and Keshavarz, Tajalli 2021. Quorum quenchers affect the virulence regulation of non-mucoid, mucoid and heavily mucoid biofilms co-cultured on cell lines. Applied Microbiology and Biotechnology. https://doi.org/10.1007/s00253-021-11638-8

Fungal Enzymes as Catalytic Tools for Polyethylene Terephthalate (PET) Degradation.
Ahmaditabatabaei, S., Kyazze, G., Iqbal, H. and Keshavarz, T. 2021. Fungal Enzymes as Catalytic Tools for Polyethylene Terephthalate (PET) Degradation. Journal of Fungi. 7 (11) 931. https://doi.org/10.3390/jof7110931

Silver Nanoparticle-Coated Polyhydroxyalkanoate Based Electrospun Fibers for Wound Dressing Applications.
Kalaoglu-Altan, Ozlem Ipek, Baskan, Havva, Meireman, Timo, Basnett, Pooja, Azimi, Bahareh, Fusco, A., Funel, N., Donnarumma, G., Lazzeri, A., Roy, I., Danti, S. and De Clerck, K. 2021. Silver Nanoparticle-Coated Polyhydroxyalkanoate Based Electrospun Fibers for Wound Dressing Applications. Materials. 14 (17) 4907. https://doi.org/10.3390/ma14174907

Harnessing Polyhydroxyalkanoates and Pressurized Gyration for Hard and Soft Tissue Engineering
Basnett, P., Matharu, R.K., Taylor, C.S., Illangakoon, U., Dawson, J.I., Kanczler, J.M., Behbehani, M., Humphrey, E., Majid, Q., Lukasiewicz, B., Nigmatullin, R., Haseltine, P., Oreffo, R.O.C., Haycock, J.W., Terracciano, C., Harding, S.E., Edirisinghe, M. and Roy, I. 2021. Harnessing Polyhydroxyalkanoates and Pressurized Gyration for Hard and Soft Tissue Engineering. ACS Applied Materials & Interfaces. 13 (28), p. 32624–32639. https://doi.org/10.1021/acsami.0c19689

Enhanced electrochemical treatment of phenanthrene-polluted soil using microbial fuel cells.
Adelaja, O., Keshavarz, T. and Kyazze, G. 2021. Enhanced electrochemical treatment of phenanthrene-polluted soil using microbial fuel cells. Earthline Journal of Chemical Sciences. 6 (1), pp. 37-63. https://doi.org/10.34198/ejcs.6121.3763

Antibacterial Composite Materials Based on the Combination of Polyhydroxyalkanoates With Selenium and Strontium Co-substituted Hydroxyapatite for Bone Regeneration
Marcello, Elena, Maqbool, Muhammad, Nigmatullin, Rinat, Cresswell, Mark, Jackson, Philip R., Basnett, Pooja, Knowles, Jonathan C., Boccaccini, Aldo R. and Roy, I. 2021. Antibacterial Composite Materials Based on the Combination of Polyhydroxyalkanoates With Selenium and Strontium Co-substituted Hydroxyapatite for Bone Regeneration. Frontiers in Bioengineering and Biotechnology. 9 647007. https://doi.org/10.3389/fbioe.2021.647007

Characterization of a biosurfactant producing electroactive Bacillus sp. for enhanced Microbial Fuel Cell dye decolourisation
Gomaa, Ola M., Selim, Nabila, Fathy, Reham, Maghrawy, Heba Hamed, Gamal, Marwa, El Kareem, Hussein Abd, Kyazze, Godfrey and Keshavarz, Tajalli 2021. Characterization of a biosurfactant producing electroactive Bacillus sp. for enhanced Microbial Fuel Cell dye decolourisation. Enzyme and Microbial Technology. 147 109767. https://doi.org/10.1016/j.enzmictec.2021.109767

Electrosprayed Chitin Nanofibril/Electrospun Polyhydroxyalkanoate Fiber Mesh as Functional Nonwoven for Skin Application
Azimi, Bahareh, Thomas, Lily, Fusco, A., Kalaoglu-Altan, Ozlem Ipek, Basnett, P., Cinelli, P., De Clerck, Karen, Roy, I., Donnarumma, G., Coltelli, M., Danti, S. and Lazzeri, A. 2020. Electrosprayed Chitin Nanofibril/Electrospun Polyhydroxyalkanoate Fiber Mesh as Functional Nonwoven for Skin Application. Journal of Functional Biomaterials. 11 (3), p. e62. https://doi.org/10.3390/jfb11030062

Development of an electroactive aerobic biocathode for microbial fuel cell applications
Mani, P., Fidal Kumar, V.T., Bowman, K., Chandra, T.S., Keshavarz, T. and Kyazze, G. 2020. Development of an electroactive aerobic biocathode for microbial fuel cell applications. Environmental Microbiology Reports. 12 (5), pp. 607-612. https://doi.org/10.1111/1758-2229.12871

Comparison of the Influence of 45S5 and Cu-Containing 45S5 Bioactive Glass (BG) on the Biological Properties of Novel Polyhydroxyalkanoate (PHA)/BG Composites
Schuhladen, K., Lukasiewicz, B., Basnett, P., Roy, I. and Boccaccini, A.R. 2020. Comparison of the Influence of 45S5 and Cu-Containing 45S5 Bioactive Glass (BG) on the Biological Properties of Novel Polyhydroxyalkanoate (PHA)/BG Composites. Materials. 13 (11) 2607. https://doi.org/10.3390/ma13112607

Antimicrobial Materials with Lime Oil and a Poly (3-hydroxyalkanoate) Produced via Valorisation of Sugar Cane Molasses
Basnett, P., Marcello, E., Lukasiewicz, B., Nigmatullin, R., Paxinou, A., Ahmad, M.A., Gurumayum , B. and Roy, I. 2020. Antimicrobial Materials with Lime Oil and a Poly (3-hydroxyalkanoate) Produced via Valorisation of Sugar Cane Molasses. Journal of Functional Biomaterials. 11 (2) 24. https://doi.org/10.3390/jfb11020024

Recycling and the Environment: a Comparative Review Between Mineral-based Plastics and Bioplastics
Aziz, Z., Keshavarz, T. and Kyazze, G. 2020. Recycling and the Environment: a Comparative Review Between Mineral-based Plastics and Bioplastics. Chemical Engineering Transactions. 79, pp. 355-360. https://doi.org/10.3303/CET2079060

Modification of bacterial cell membrane to accelerate decolorization of textile wastewater effluent using microbial fuel cells: role of gamma radiation
Selim, N., Maghrawy, H., Fathy, R., Gamal, M., Abd El Kareem, H., Bowman, K., Breheny, M., Kyazze, G., Keshavarz, T. and Gomaa, O. 2020. Modification of bacterial cell membrane to accelerate decolorization of textile wastewater effluent using microbial fuel cells: role of gamma radiation. Journal of Radiation Research and Applied Sciences. 13 (1), pp. 373-382. https://doi.org/10.1080/16878507.2020.1743480

Populated Collagen Hydrogel and Polyhydroxyalkanoate Composites: Novel Matrices for Cartilage Repair and Regeneration?
De Pascale, C., Marcello, E., Getting, S.J., Roy, I. and Locke, I.C. Forthcoming. Populated Collagen Hydrogel and Polyhydroxyalkanoate Composites: Novel Matrices for Cartilage Repair and Regeneration? OARSI World Congress on Osteoarthritis . Toronto, Canada 02 Mar - 05 May 2019

Degradation of azo dye (Acid orange 7) in a microbial fuel cell: comparison between anodic microbial-mediated reduction and cathodic laccase-mediated oxidation
Mani, P., Fidal, V.T., Bowman, K., Breheny, M., Chandra, T.S., Keshavarz, T. and Kyazze, G. 2019. Degradation of azo dye (Acid orange 7) in a microbial fuel cell: comparison between anodic microbial-mediated reduction and cathodic laccase-mediated oxidation. Frontiers in Energy Research. 7 101. https://doi.org/10.3389/fenrg.2019.00101

In Focus: Microbial Fuel Cells, some considerations
Keshavarz, T., Gomaa, O. and Kyazze, G. 2019. In Focus: Microbial Fuel Cells, some considerations. Journal of Chemical Technology and Biotechnology. 94 (7), p. 2069. https://doi.org/10.1002/jctb.6040

Unidirectional Neuronal Cell growth and Differentiation on Aligned Polyhydroxyalkanoate Blend Microfibres with Varying Diameters
Lizarraga Valderrama, L., Taylor, C.S., Claeyssens, F., Haycock, J.W., Knowles, J.C. and Roy, I. 2019. Unidirectional Neuronal Cell growth and Differentiation on Aligned Polyhydroxyalkanoate Blend Microfibres with Varying Diameters. Journal of Tissue Engineering and Regenerative Medicine. 13 (3), pp. 1581-1594. https://doi.org/10.1002/term.2911

Esterase Cleavable 2D Assemblies of Magnetic Iron Oxide Nanocubes: Exploiting Enzymatic Polymer Disassembling to Improve Magnetic Hyperthermia Heat Losses
Avugadda, S.K., Materia, M.E., Nigmatullin, R., Cabrera, D., Marotta, R., Cabada, T.F., Marcello, E., Nitti, S., Artés-Ibañez, E.J., Basnett, P., Wilhelm, C., Teran, F.J., Roy, I. and Pellegrino, T. 2019. Esterase Cleavable 2D Assemblies of Magnetic Iron Oxide Nanocubes: Exploiting Enzymatic Polymer Disassembling to Improve Magnetic Hyperthermia Heat Losses. Chemistry of Materials. 31 (15), pp. 5450-5463. https://doi.org/10.1021/acs.chemmater.9b00728

Energy harvesting from Microbial Fuel Cells – Wastewater to Electricity
Breheny, M., Bowman, K., Turgul, V., Keshavarz, T., Kale, I., Gomaa, O. and Kyazze, G. 2019. Energy harvesting from Microbial Fuel Cells – Wastewater to Electricity. 1st Annual EBNet Early Career Conference. Sheffield Hallam University 01 - 02 Jul 2019

A Sustainable Approach for the Downstream Processing of Bacterial Polyhydroxyalkanoates: State-of-the-art and latest developments
Perez Rivero, C., López-Gómez, J.P. and Roy, I. 2019. A Sustainable Approach for the Downstream Processing of Bacterial Polyhydroxyalkanoates: State-of-the-art and latest developments. Biochemical Engineering Journal. 150, p. 107283 107283. https://doi.org/10.1016/j.bej.2019.107283

Investigating microbial communication for enhanced production of biodegradable plastics
Aziz, Z., Kyazze, G. and Keshavarz, T. 2019. Investigating microbial communication for enhanced production of biodegradable plastics. Postgraduate Fair 2016. NCS, University of Westminster 28 Apr 2016

Enrichment of microbial biocathodes to replace platinum catalyst in microbial fuel cells
Bowman, K., Mani, P., Breheny, M., Gomaa, O., Keshavarz, T. and Kyazze, G. 2019. Enrichment of microbial biocathodes to replace platinum catalyst in microbial fuel cells. Electromicrobiology - from electrons to ecosystems. Aarhus, Denmark 21 - 22 Mar 2019

Cellulose-based hydrogels for wound healing
Orlando, I. and Roy, I. 2019. Cellulose-based hydrogels for wound healing. in: Mondal, Md. and Ibrahim H. (ed.) Cellulose-Based Superabsorbent Hydrogels Springer. pp. 1131-1148

Biocatalytic electrode improvement strategies in microbial fuel cell systems
Breheny, M., Bowman, K., Farahmand, N., Gomaa, O., Keshavarz, T. and Kyazze, G. 2019. Biocatalytic electrode improvement strategies in microbial fuel cell systems. Journal of Chemical Technology and Biotechnology. 94 (7), pp. 2081-2091. https://doi.org/10.1002/jctb.5916

The use of bio-electrochemical systems in environmental remediation of xenobiotics: a review
Fernando, E., Keshavarz, T. and Kyazze, G. 2019. The use of bio-electrochemical systems in environmental remediation of xenobiotics: a review. Journal of Chemical Technology and Biotechnology. 94 (7), pp. 2070-2080. https://doi.org/10.1002/jctb.5848

The Role of Natural Laccase Redox Mediators in Simultaneous Dye Decolorization and Power Production in Microbial Fuel Cells
Mani, P., Kumar, V.T.F., Keshavarz, T., Chandra, T.S. and Kyazze, G. 2018. The Role of Natural Laccase Redox Mediators in Simultaneous Dye Decolorization and Power Production in Microbial Fuel Cells. Energies. 11 (12) 3455. https://doi.org/10.3390/en11123455

Biosynthesis and characterization of a novel, biocompatible medium chain length polyhydroxyalkanoate by Pseudomonas mendocina CH50 using coconut oil as the carbon source
Basnett, P., Marcello, E., Lukasiewicz, B., Panchal, B., Nigmatullin, R., Knowles, J.C. and Roy, I. 2018. Biosynthesis and characterization of a novel, biocompatible medium chain length polyhydroxyalkanoate by Pseudomonas mendocina CH50 using coconut oil as the carbon source. Journal of Materials Science: Materials in Medicine. 29, p. 179 179. https://doi.org/10.1007/s10856-018-6183-9

The Effects of Quorum Sensing Inhibitors on Multispecies Biofilms of the Oral Cavity
Garner, C., Anyogu, A., Kyazze, G. and Keshavarz, T. 2018. The Effects of Quorum Sensing Inhibitors on Multispecies Biofilms of the Oral Cavity . FST Doctoral Conference 2018. University of Westminster 19 Apr 2018

Plastics and Environment: Is There a Happy Medium?
Aziz, Z., Kyazze, G. and Keshavarz, T. 2018. Plastics and Environment: Is There a Happy Medium? FST Doctoral Conference 2018. University of Westminster 19 Apr 2018

Quorum Quenching Effect of Triclosan on Aspergillus fumigatus Conidia Adhesion to Surfaces, Aggregation and Biofilm Formation
Tamimi, R., Kyazze, G. and Keshavarz, T. 2018. Quorum Quenching Effect of Triclosan on Aspergillus fumigatus Conidia Adhesion to Surfaces, Aggregation and Biofilm Formation . FST Doctoral Conference 2018. University of Westminster 19 Apr 2018

Anti-biofilm efficacy of triclosan-amphotericinB combination against filamentous fungus, Aspergillus fumigatus
Tamimi, R., Kyazze, G. and Keshavarz, T. 2018. Anti-biofilm efficacy of triclosan-amphotericinB combination against filamentous fungus, Aspergillus fumigatus. Biofilms 8. Aarhus University, Aarhus, Denmark 27 - 29 May 2018

Modification of bacterial cell membrane to accelerate decolorization of textile wastewater effluent using microbial fuel cells: role of gamma radiation, salinity and endogenous biosurfactant induction
Selim, N., Hamed, H., Fathy, R., Gamal, M., El Kareem, H.A., Breheny, M., Farahmand, N., Bowman, K., Kyazze, G., Keshavarz, T. and Gomaa, O.M. 2018. Modification of bacterial cell membrane to accelerate decolorization of textile wastewater effluent using microbial fuel cells: role of gamma radiation, salinity and endogenous biosurfactant induction. 4th European Meeting of the International Society for Microbial Electrochemistry and Technology. Newcastle University, Newcastle upon Tyne 12 - 14 Sep 2018

Design of a single chamber air cathode microbial fuel cell using a stainless steel spiral anode and 3D printing techniques for continuous flow dye decolourisation
Bowman, K., Breheny, M., Farahmand, N., Kyazze, G. and Keshavarz, T. 2018. Design of a single chamber air cathode microbial fuel cell using a stainless steel spiral anode and 3D printing techniques for continuous flow dye decolourisation. 4th European Meeting of the International Society for Microbial Electrochemistry and Technology. Newcastle University, Newcastle upon Tyne 12 - 14 Sep 2018

Degradation of azo dyes (Acid orange 7) in a microbial fuel cell: comparison between anodic microbial-mediated reduction and cathodic laccase-mediated oxidation
Kyazze, G., Mani, P., Bowman, K., Farahmand, N., Breheny, M. and Keshavarz, T. 2018. Degradation of azo dyes (Acid orange 7) in a microbial fuel cell: comparison between anodic microbial-mediated reduction and cathodic laccase-mediated oxidation. 4th European Meeting of the International Society for Microbial Electrochemistry and Technology. Newcastle University, Newcastle upon Tyne 12 - 14 Sep 2018

In Vivo Tracking and 1H/19F Magnetic Resonance Imaging of Biodegradable Polyhydroxyalkanoate / Polycaprolactone Blend Scaffolds Seeded with Labeled Cardiac Stem Cells
Constantinides, C., Basnett, P., Lukasiewicz, B., Carnicer, R., Swider, E., Majid, Q.A., Srinivas, M., Carr, C.A. and Roy, I. 2018. In Vivo Tracking and 1H/19F Magnetic Resonance Imaging of Biodegradable Polyhydroxyalkanoate / Polycaprolactone Blend Scaffolds Seeded with Labeled Cardiac Stem Cells. ACS Applied Materials and Interfaces. 10 (30), p. 25056–25068. https://doi.org/10.1021/acsami.8b06096

Synergistic Effect of Tryptophan and Erythromycin on Pseudomonas Aeruginosa Biofilm Structure and Dispersal
Kalgudi, R., Chrzasteka, A., Kyazze, G., Iqbal, H.M.N. and Keshavarz, T. 2018. Synergistic Effect of Tryptophan and Erythromycin on Pseudomonas Aeruginosa Biofilm Structure and Dispersal. Venice, Italy. IBIC 2018 15 - 18 Apr 2018 AIDIC Servizi S.r.l..

A novel antifungal property for the Bacillus licheniformis ComX pheromone and its possible role in inter-kingdom cross-talk
Esmaeilishirazifard, E., Dariush, A., Moschos, S.A. and Keshavarz, T. 2018. A novel antifungal property for the Bacillus licheniformis ComX pheromone and its possible role in inter-kingdom cross-talk. Applied Microbiology and Biotechnology. 102 (12), pp. 5197-5208. https://doi.org/10.1007/s00253-018-9004-7

Aligned nanofibres made of poly(3-hydroxybutyrate) grafted to hyaluronan for potential healthcare applications
Huerta-Ángeles, G., Knotková,, K., Knotek, P., Židek, O., Brandejsová, M., Pokorný, M., Vagnerová, H., Roy, I. and Velebný, V. 2018. Aligned nanofibres made of poly(3-hydroxybutyrate) grafted to hyaluronan for potential healthcare applications . Journal of Materials Science: Materials in Medicine . 29 (32), pp. 2-8 32. https://doi.org/10.1007/s10856-018-6045-5

Binary Polyhydroxyalkanoate Systems for Soft Tissue Engineering
Lukasiewicz, B., Basnett, P., Nigmatullin, R., Matharu, R., Knowles, J.C. and Roy, I. 2018. Binary Polyhydroxyalkanoate Systems for Soft Tissue Engineering. Acta Biomaterialia. 71, pp. 225-234. https://doi.org/10.1016/j.actbio.2018.02.027

Poly(3-hydroxyoctanoate), a promising new material for cardiac tissue engineering
Bagdadi, A., Safari, M., Dubey, P., Basnett, P., Sofokleous P., Humphrey E, Locke, I.C., Edirisinghe M., Terracciano C., Boccaccini, A.R., Knowles, J.C., Harding, S. and Roy, I. 2018. Poly(3-hydroxyoctanoate), a promising new material for cardiac tissue engineering. Journal of Tissue Engineering and Regenerative Medicine. 12 (1), pp. E495-E512. https://doi.org/10.1002/term.2318

Science and Principles of Biodegradable and Bioresorbable Medical Polymers
Basnett, P., Ravi, S. and Roy, I. 2017. Science and Principles of Biodegradable and Bioresorbable Medical Polymers. in: Xiang Zhang (ed.) Science and Principles of Biodegradable and Bioresorbable Medical Polymers: Materials and Properties Woodhead Publishing. pp. 257-277

The challenge of biocompatibility evaluation of biocomposites
Iqbal, H.M.N. and Keshavarz, T. 2017. The challenge of biocompatibility evaluation of biocomposites. in: Ambrosio, L. (ed.) Biomedical Composites. 2nd ed. Woodhead Publishing. pp. 303-334

Production of a novel medium chain length Poly(3-hydroxyalkanoate) using unprocessed biodiesel waste and its evaluation as a tissue engineering scaffold
Basnett, P., Lukasiewicz, B., Marcello, E., Kaur, H., Knowles, J.C. and Roy, I. 2017. Production of a novel medium chain length Poly(3-hydroxyalkanoate) using unprocessed biodiesel waste and its evaluation as a tissue engineering scaffold. Microbial Biotechnology. 10 (6), pp. 1384-1399. https://doi.org/10.1111/1751-7915.12782

Repeated batch for dye degradation in an airlift bioreactor by laccase entrapped in copper alginate
Teerapatsakul, C., Parra, R., Keshavarz, T. and Chitradon, L. 2017. Repeated batch for dye degradation in an airlift bioreactor by laccase entrapped in copper alginate. International Biodeterioration & Biodegradation. 120, pp. 52-57. https://doi.org/10.1016/j.ibiod.2017.02.001

Highly elastomeric poly(3-hydroxyoctanoate) based natural polymer composite for enhanced keratinocyte regeneration
Rai, R., Roether, J.A., Knowles, J.C., Mordan, N., Salih, V., Locke, I.C., Gordge, M.P., McCormick, A., Mohn, D., Stark, W.J., Keshavarz, T., Boccaccini, A.R. and Roy, I. 2017. Highly elastomeric poly(3-hydroxyoctanoate) based natural polymer composite for enhanced keratinocyte regeneration. International Journal of Polymeric Materials and Polymeric Biomaterials . 66 (7), pp. 326-335. https://doi.org/10.1080/00914037.2016.1217530

Synthesis of graft copolymers based on hyaluronan and poly(3-hydroxyalkanoates)
Huerta-Angeles, G., Brandejsová, M., Nigmatullin, R., Kopecká, K., Vágnerová, H., Šmejkalová, D., Roy, I. and Velebný, V. 2017. Synthesis of graft copolymers based on hyaluronan and poly(3-hydroxyalkanoates). Carbohydrate Polymers. 171, pp. 220-228. https://doi.org/10.1016/j.carbpol.2017.05.011

Genomic and molecular characterization of a novel quorum sensing molecule in Bacillus licheniformis
Esmaeilishirazifard, E., De Vizio, D., Moschos, S. and Keshavarz, T. 2017. Genomic and molecular characterization of a novel quorum sensing molecule in Bacillus licheniformis. AMB Express. 7, p. 78 78. https://doi.org/10.1186/s13568-017-0381-6

Overexpression of the Mtr pathway in Shewanella oneidensis for bioelectricity production
Fapetu, S.A., Keshavarz, T., Clements, M.O. and Kyazze, G. 2017. Overexpression of the Mtr pathway in Shewanella oneidensis for bioelectricity production. (Society for Applied Microbiology) 6th ECS Research Symposium. University of Westminster 19 Apr 2017 Society for Applied Microbiology.

Transcriptomic Complexity of Aspergillus terreus Velvet Gene Family under the Influence of Butyrolactone I
Palonen, E.K., Raina, S., Brandt, A., Meriluoto, J., Keshavarz, T. and Soini, J. 2017. Transcriptomic Complexity of Aspergillus terreus Velvet Gene Family under the Influence of Butyrolactone I. Microorganisms. 5 (1) 12. https://doi.org/10.3390/microorganisms5010012

A Strategy for Dual Biopolymer Production of P(3HB) and γ-PGA
Sukan, A., Roy, I. and Keshavarz, T. 2017. A Strategy for Dual Biopolymer Production of P(3HB) and γ-PGA. Journal of Chemical Technology and Biotechnology. 92 (7), pp. 1548-1557. https://doi.org/10.1002/jctb.5259

The role of riboflavin in decolourisation of Congo red and bioelectricity production using Shewanella oneidensis-MR1 under MFC and non-MFC conditions
Gomaa, O.M., Fapetu, S., Kyazze, G. and Keshavarz, T. 2017. The role of riboflavin in decolourisation of Congo red and bioelectricity production using Shewanella oneidensis-MR1 under MFC and non-MFC conditions. World Journal of Microbiology and Biotechnology . 33, p. 56 56. https://doi.org/10.1007/s11274-017-2223-8

Decolourisation of Acid orange 7 in a microbial fuel cell with a laccase-based biocathode: Influence of mitigating pH changes in the cathode chamber
Mani, P., Keshavarz, T., Chandra, T.S. and Kyazze, G. 2017. Decolourisation of Acid orange 7 in a microbial fuel cell with a laccase-based biocathode: Influence of mitigating pH changes in the cathode chamber. Enzyme and Microbial Technology. 96, pp. 170-176. https://doi.org/10.1016/j.enzmictec.2016.10.012

Enhancing electricity production from wastewater using microbial fuel cells
Fapetu, S., Keshavarz, T., Clements, M.O. and Kyazze, G. 2016. Enhancing electricity production from wastewater using microbial fuel cells. Postgraduate Fair 2016. NCS, University of Westminster 28 Apr 2016

Influence of electrolytes in mediating Pseudomonas aeruginosa PAO1 biofilm composition and virulence factors
Kalgudi, R., Kyazze, G. and Keshavarz, T. 2016. Influence of electrolytes in mediating Pseudomonas aeruginosa PAO1 biofilm composition and virulence factors. Biofilms 7: Microbial Works of Art. Porto, Portugal 26 - 28 Jun 2016 Universidade do Minho.

Novel P(3HB) Composite Films Containing Bioactive Glass Nanoparticles for Wound Healing Applications
Francis, L., Meng, D., Locke, I.C., Knowles, J.C., Mordan, N., Salih, V., Boccaccini, A.R. and Roy, I. 2016. Novel P(3HB) Composite Films Containing Bioactive Glass Nanoparticles for Wound Healing Applications. Polymer International. 65 (6), pp. 661-674. https://doi.org/10.1002/pi.5108

Contribution of direct electron transfer mechanisms to overall electron transfer in microbial fuel cells utilising Shewanella oneidensis as biocatalyst
Fapetu, S.A., Keshavarz, T., Clements, M.O. and Kyazze, G. 2016. Contribution of direct electron transfer mechanisms to overall electron transfer in microbial fuel cells utilising Shewanella oneidensis as biocatalyst. Biotechnology Letters. 38 (9), pp. 1465-1473. https://doi.org/10.1007/s10529-016-2128-x

Bacterial Cellulose: A sustainable source to develop value-added products - A review
Arévalo Gallegos, A.M., Carrera, S.H., Parra, R., Keshavarz, T. and Iqbal, H.M.N. 2016. Bacterial Cellulose: A sustainable source to develop value-added products - A review. BioResources. 11 (2). https://doi.org/10.15376/biores.11.2.Gallegos

Treatment of colour industry wastewaters with concomitant bioelectricity production in a sequential stacked mono-chamber microbial fuel cells–aerobic system
Kyazze, G., Fernando, E., Keshavarz, T. and Fonseka, K. 2016. Treatment of colour industry wastewaters with concomitant bioelectricity production in a sequential stacked mono-chamber microbial fuel cells–aerobic system. Environmental Technology. 37 (2), pp. 255-264. https://doi.org/10.1080/09593330.2015.1068378

Biomedical applications of polyhydroxyalkanoates
Roy, I., Lizarraga Valderrama, L., Panchal, B. and Boccaccini, A. 2016. Biomedical applications of polyhydroxyalkanoates. in: Reis, R.L. and Neves, N. (ed.) Biomaterials from nature for advanced devices and therapies Oxford Wiley.

Nerve tissue engineering using blends of poly(3-hydroxyalkanoates) for peripheral nerve regeneration
Lizarraga Valderrama, L., Nigmatullin, R., Taylor, C., Haycock, J.W., Claeyssens, F., Knowles, J.C. and Roy, I. 2015. Nerve tissue engineering using blends of poly(3-hydroxyalkanoates) for peripheral nerve regeneration. Engineering in Life Sciences. 15 (6), pp. 612-621. https://doi.org/10.1002/elsc.201400151

Enhancing electricity production in microbial fuel cells using defined co-cultures
Fapetu, S., Keshavarz, T., Clements, M.O. and Kyazze, G. 2015. Enhancing electricity production in microbial fuel cells using defined co-cultures. Postgraduate Fair. New Cavendish Street, London 30 Apr 2015

Poly(3-hydroxybutyrate)-ethyl cellulose based bio-composites with novel characteristics for infection free wound healing application
Iqbal, H.M.N., Kyazze, G., Locke, I.C., Tron, T. and Keshavarz, T. 2015. Poly(3-hydroxybutyrate)-ethyl cellulose based bio-composites with novel characteristics for infection free wound healing application. International Journal of Biological Macromolecules. 81, pp. 552-559. https://doi.org/10.1016/j.ijbiomac.2015.08.040

Production, chemistry and properties of biopolymers in food science
Puthussery, H., Prasad, R., Gorazda, K. and Roy, I. 2015. Production, chemistry and properties of biopolymers in food science. in: Cirillo, G., Spizzirri, U. and Iemma, F. (ed.) Functional polymers in food science: from technology to biology: volume 1 food packaging London Wiley.

Novel cardiac patch development using biopolymers and biocomposites
Dubey, P., Boccaccini, A. and Roy, I. 2015. Novel cardiac patch development using biopolymers and biocomposites. in: Yang, Y. and Xu, H. (ed.) Lightweight materials from biopolymers and biofibers Washington DC, USA American Chemical Society.

Development of novel antibacterial active, HaCaT biocompatible and biodegradable CA-g-P(3HB)-EC biocomposites with caffeic acid as a functional entity
Iqbal, H.M.N., Kyazze, G., Locke, I.C., Tron, T. and Keshavarz, T. 2015. Development of novel antibacterial active, HaCaT biocompatible and biodegradable CA-g-P(3HB)-EC biocomposites with caffeic acid as a functional entity. eXPRESS Polymer Letters. 9 (9), p. 764–772. https://doi.org/10.3144/expresspolymlett.2015.72

Dual production of biopolymers from bacteria
Sukan, A., Roy, I. and Keshavarz, T. 2015. Dual production of biopolymers from bacteria. Carbohydrate Polymers. 126, pp. 47-51. https://doi.org/10.1016/j.carbpol.2015.03.001

Development of bio-composites with novel characteristics: Evaluation of phenol-induced antibacterial, biocompatible and biodegradable behaviours
Iqbal, H.M.N., Kyazze, G., Locke, I.C., Tron, T. and Keshavarz, T. 2015. Development of bio-composites with novel characteristics: Evaluation of phenol-induced antibacterial, biocompatible and biodegradable behaviours. Carbohydrate Polymers. 131, pp. 197-207. https://doi.org/10.1016/j.carbpol.2015.05.046

In-situ development of self-defensive antibacterial biomaterials: phenol-g-keratin-EC based bio-composites with characteristics for biomedical applications
Iqbal, H.M.N., Kyazze, G., Locke, I.C., Tron, T. and Keshavarz, T. 2015. In-situ development of self-defensive antibacterial biomaterials: phenol-g-keratin-EC based bio-composites with characteristics for biomedical applications. Green Chemistry. 17 (7), pp. 3858-3869. https://doi.org/10.1039/C5GC00715A

Laccase-assisted approach to graft multifunctional materials of interest: keratin-EC based novel composites and their characterisation
Iqbal, H.M.N., Kyazze, G., Keshavarz, T. and Tron, T. 2015. Laccase-assisted approach to graft multifunctional materials of interest: keratin-EC based novel composites and their characterisation. Macromolecular Materials and Engineering. 300 (7), pp. 712-720. https://doi.org/10.1002/mame.201500003

The effect of salinity, redox mediators and temperature on anaerobic biodegradation of petroleum hydrocarbons in microbial fuel cells
Adelaja, O., Keshavarz, T. and Kyazze, G. 2015. The effect of salinity, redox mediators and temperature on anaerobic biodegradation of petroleum hydrocarbons in microbial fuel cells. Journal of Hazardous Materials. 283, pp. 211-217. https://doi.org/10.1016/j.jhazmat.2014.08.066

Poly(3-hydroxyoctanoate): a novel natural material for cardiac tissue engineering
Dubey, P., Bagdadi, A., Boccaccini, A., Knowles, J., Stevens, M., Harding, S., Roy, I. and Ravi, S. 2014. Poly(3-hydroxyoctanoate): a novel natural material for cardiac tissue engineering. BHF Regenerative Medicine Centre Joint Annual and SAB meetings. Imperial College, London 31 Jul 2014

Nerve tissue engineering using blends of polyhydroxyalkanoates
Lizarraga Valderrama, L., Percy, L. and Roy, I. 2014. Nerve tissue engineering using blends of polyhydroxyalkanoates. 8th International Conference on Polymer and Fiber Biotechnology. Braga, Portugal 25 May 2014

Production of polyhydroxyalkanoates and their medical applications
Roy, I. 2014. Production of polyhydroxyalkanoates and their medical applications. International Symposium on Biopolymers. Santos, Brazil 30 Sep 2014

Agro-Industrial Waste Materials as Substrates for the Production of Poly(3-Hydroxybutyric Acid)
Sukan, A., Roy, I. and Keshavarz, T. 2014. Agro-Industrial Waste Materials as Substrates for the Production of Poly(3-Hydroxybutyric Acid). Journal of Biomaterials and Nanobiotechnology. 5 (4), pp. 229-240. https://doi.org/10.4236/jbnb.2014.54027

Fermentation (industrial): control of fermentation conditions
Keshavarz, T. 2014. Fermentation (industrial): control of fermentation conditions. in: Batt, C.A. and Tortorello, M.L. (ed.) Encyclopedia of food microbiology, 2nd ed., vol. 1 Academic Press. pp. 762-768

“One-pot” synthesis and characterisation of novel P(3HB)-ethyl cellulose based graft composites through lipase catalysed esterification
Iqbal, H.M.N., Kyazze, G., Tron, T. and Keshavarz, T. 2014. “One-pot” synthesis and characterisation of novel P(3HB)-ethyl cellulose based graft composites through lipase catalysed esterification. Polymer Chemistry. 24, pp. 7004-7012. https://doi.org/10.1039/C4PY00857J

Complete degradation of the azo dye Acid Orange-7 and bioelectricity generation in an integrated microbial fuel cell, aerobic two-stage bioreactor system in continuous flow mode at ambient temperature
Fernando, E., Keshavarz, T. and Kyazze, G. 2014. Complete degradation of the azo dye Acid Orange-7 and bioelectricity generation in an integrated microbial fuel cell, aerobic two-stage bioreactor system in continuous flow mode at ambient temperature. Bioresource Technology. 156, pp. 155-162. https://doi.org/10.1016/j.biortech.2014.01.036

Enhanced biodegradation of phenanthrene using different inoculum types in a microbial fuel cell
Adelaja, O., Keshavarz, T. and Kyazze, G. 2014. Enhanced biodegradation of phenanthrene using different inoculum types in a microbial fuel cell. Engineering in Life Sciences. 14 (2), pp. 218-228. https://doi.org/10.1002/elsc.201300089

Microbial metabolism of quorum-sensing molecules acyl-homoserine lactones, γ-heptalactone and other lactones
Safari, M., Amache, R., Esmaeilishirazifard, E. and Keshavarz, T. 2014. Microbial metabolism of quorum-sensing molecules acyl-homoserine lactones, γ-heptalactone and other lactones. Applied Microbiology and Biotechnology. 98 (8), pp. 3401-3412. https://doi.org/10.1007/s00253-014-5518-9

External resistance as a potential tool for influencing azo dye reductive decolourisation kinetics in microbial fuel cells
Fernando, E., Keshavarz, T. and Kyazze, G. 2014. External resistance as a potential tool for influencing azo dye reductive decolourisation kinetics in microbial fuel cells. International Biodeterioration & Biodegradation. 89, pp. 7-14. https://doi.org/10.1016/j.ibiod.2013.12.011

Effect of hydraulic retention time on the performance of a novel tubular MFC fed with petroleum hydrocarbons
Adelaja, O., Kyazze, G. and Keshavarz, T. 2014. Effect of hydraulic retention time on the performance of a novel tubular MFC fed with petroleum hydrocarbons. New Biotechnology. 31, p. S98. https://doi.org/10.1016/j.nbt.2014.05.1845

A preliminary study on the development and characterisation of enzymatically grafted P(3HB)-ethyl cellulose based novel composites
Iqbal, H.M.N., Kyazze, G., Tron, T. and Keshavarz, T. 2014. A preliminary study on the development and characterisation of enzymatically grafted P(3HB)-ethyl cellulose based novel composites. Cellulose. 21 (5), pp. 3613-3621. https://doi.org/10.1007/s10570-014-0337-9

Laccase-assisted grafting of poly(3-hydroxybutyrate) onto the bacterial cellulose as backbone polymer: development and characterisation
Iqbal, H.M.N., Kyazze, G., Tron, T. and Keshavarz, T. 2014. Laccase-assisted grafting of poly(3-hydroxybutyrate) onto the bacterial cellulose as backbone polymer: development and characterisation. Carbohydrate Polymers. 113, pp. 131-137. https://doi.org/10.1016/j.carbpol.2014.07.003

Composite polymer-bioceramic scaffolds with drug delivery capability for bone tissue engineering
Mourino, V., Cattalini, J.P., Roether, J.A., Dubey, P., Roy, I. and Boccaccini, A.R. 2013. Composite polymer-bioceramic scaffolds with drug delivery capability for bone tissue engineering. Expert Opinion on Drug Delivery. 10 (10), pp. 1353-1365. https://doi.org/10.1517/17425247.2013.808183

Evidence for the involvement of intracellular Ca 2+ ions in the elicitation mechanism of Bacillus Licheniformis
Reffatti, P., Roy, I., Odell, M. and Keshavarz, T. 2013. Evidence for the involvement of intracellular Ca 2+ ions in the elicitation mechanism of Bacillus Licheniformis. Journal of Molecular Microbiology and Biotechnology. OnlineFirst. https://doi.org/10.1159/000351515

Advances in the valorization of lignocellulosic materials by biotechnology: an overview
Iqbal, H.M.N., Kyazze, G. and Keshavarz, T. 2013. Advances in the valorization of lignocellulosic materials by biotechnology: an overview. BioResources. 8 (2), pp. 3157-3176. https://doi.org/10.15376/biores.8.2.3157-3176

Advances in PHAs Production
Amache, R., Sukan, A., Safari, M., Roy, I. and Keshavarz, T. 2013. Advances in PHAs Production . Chemical Engineering Transactions. 32, pp. 931-936. https://doi.org/10.3303/CET1332156

Polyhydroxyalkanoates: the natural polymers produced by bacterial fermentation
Panchal, B., Bagdadi, A. and Roy, I. 2013. Polyhydroxyalkanoates: the natural polymers produced by bacterial fermentation. in: Advances in natural polymer Elsevier.

Tetracycline-encapsulated P(3HB) microsphere-coated 45S5 Bioglass®-based scaffolds for bone tissue engineering
Meng, D., Francis, L., Thompson, I.D., Mierke, C., Huebner, H., Amtmann, A., Roy, I. and Boccaccini, A.R. 2013. Tetracycline-encapsulated P(3HB) microsphere-coated 45S5 Bioglass®-based scaffolds for bone tissue engineering. Journal of Materials Science: Materials in Medicine. 24 (12), pp. 2809-2817. https://doi.org/10.1007/s10856-013-5012-4

Simultaneous co-metabolic decolourisation of azo dye mixtures and bio-electricity generation under thermophillic (50°C) and saline conditions by an adapted anaerobic mixed culture in microbial fuel cells
Fernando, E., Keshavarz, T. and Kyazze, G. 2013. Simultaneous co-metabolic decolourisation of azo dye mixtures and bio-electricity generation under thermophillic (50°C) and saline conditions by an adapted anaerobic mixed culture in microbial fuel cells. Bioresource Technology. 127, pp. 1-8. https://doi.org/10.1016/j.biortech.2012.09.065

Aspirin-loaded P(3HO)/P(3HB) blend films: potential materials for biodegradable drug-eluting stents
Basnett, P., Ching, K.Y., Stolz, M., Knowles, J.C., Boccaccini, A.R., Smith, C.L., Locke, I.C. and Roy, I. 2013. Aspirin-loaded P(3HO)/P(3HB) blend films: potential materials for biodegradable drug-eluting stents. Bioinspired, Biomimetic and Nanobiomaterials. 2 (3), pp. 141-153. https://doi.org/10.1680/bbn.13.00009

Novel Poly(3-hydroxyoctanoate)/Poly(3-hydroxybutyrate) blends for medical applications
Basnett, P., Ching, K.Y., Stolz, M., Knowles, J.C., Boccaccini, A.R., Smith, C.L., Locke, I.C., Keshavarz, T. and Roy, I. 2013. Novel Poly(3-hydroxyoctanoate)/Poly(3-hydroxybutyrate) blends for medical applications. Reactive and Functional Polymers. 73 (10), pp. 1340-1348. https://doi.org/10.1016/j.reactfunctpolym.2013.03.019

Novel methods for the quantification of changes in actin organization in chondrocytes using fluorescent imaging and linear profiling
Qusous, A., Parker, E., Geewan, C., Kapasi, A., Getting, S.J., Hucklebridge, F., Keshavarz, T. and Kerrigan, M.J.P. 2012. Novel methods for the quantification of changes in actin organization in chondrocytes using fluorescent imaging and linear profiling. Microscopy Research and Technique. 75 (7), pp. 991-999. https://doi.org/10.1002/jemt.22055

Is quorum sensing involved in lovastatin production in the filamentous fungus Aspergillus terreus?
Raina, S., De Vizio, D., Palonen, E.K., Odell, M., Brandt, A.M., Soini, J.T. and Keshavarz, T. 2012. Is quorum sensing involved in lovastatin production in the filamentous fungus Aspergillus terreus? Process Biochemistry. 47 (5), pp. 843-852. https://doi.org/10.1016/j.procbio.2012.02.021

Poly(3-hydroxybutyrate) production by Bacillus cereus SPV using sugarcane molasses as the main carbon source
Akaraonye, E., Moreno, C., Knowles, J.C., Keshavarz, T. and Roy, I. 2012. Poly(3-hydroxybutyrate) production by Bacillus cereus SPV using sugarcane molasses as the main carbon source. Biotechnology Journal. 7 (2), pp. 293-303. https://doi.org/10.1002/biot.201100122

γ-Heptalactone is an endogenously produced quorum-sensing molecule regulating growth and secondary metabolite production by Aspergillus nidulans
Williams, H.E., Steele, J.C.P., Clements, M.O. and Keshavarz, T. 2012. γ-Heptalactone is an endogenously produced quorum-sensing molecule regulating growth and secondary metabolite production by Aspergillus nidulans. Applied Microbiology and Biotechnology. 96 (3), pp. 773-781. https://doi.org/10.1007/s00253-012-4065-5

Enhanced production of the polyhydroxyalkanoate, P(3HB), from cacillus cereus SPV and its applications in cartilage regeneration
Everest, A., Keshavarz, T. and Roy, I. 2012. Enhanced production of the polyhydroxyalkanoate, P(3HB), from cacillus cereus SPV and its applications in cartilage regeneration. Gordon Research Conference on Biopolymers. Salve Regina University, Newport, Rhode Island, USA 3-8 June 2012

Novel biodegradable and biocompatible poly(3-hydroxyoctanoate)/bacterial cellulose composites
Basnett, P., Knowles, J.C., Pishbin, F., Smith, C.L., Keshavarz, T., Boccaccini, A.R. and Roy, I. 2012. Novel biodegradable and biocompatible poly(3-hydroxyoctanoate)/bacterial cellulose composites. Advanced Engineering Materials. 14 (6), pp. B330-B343. https://doi.org/10.1002/adem.201180076

Enhanced bio-decolourisation of acid orange 7 by Shewanella oneidensis through co-metabolism in a microbial fuel cell
Fernando, E., Keshavarz, T. and Kyazze, G. 2012. Enhanced bio-decolourisation of acid orange 7 by Shewanella oneidensis through co-metabolism in a microbial fuel cell. International Biodeterioration and Biodegradation. 72, pp. 1-9. https://doi.org/10.1016/j.ibiod.2012.04.010

Poly-3-hydroxyoctanoate P(3HO), a medium chain length polyhydroxyalkanoate homopolymer from Pseudomonas mendocina
Rai, R., Yunos, D.M., Boccaccini, A.R., Knowles, J.C., Barker, I.A., Howdle, S.M., Tredwell, G.D., Keshavarz, T. and Roy, I. 2011. Poly-3-hydroxyoctanoate P(3HO), a medium chain length polyhydroxyalkanoate homopolymer from Pseudomonas mendocina. Biomacromolecules. 12 (6), pp. 2126-2136. https://doi.org/10.1021/bm2001999

Enhanced intracellular Ca(2+) concentrations in Escherichia coli and Bacillus subtilis after addition of oligosaccharide elicitors
Murphy, T., Nilsson, A., Roy, I., Harrop, A., Dixon, K. and Keshavarz, T. 2011. Enhanced intracellular Ca(2+) concentrations in Escherichia coli and Bacillus subtilis after addition of oligosaccharide elicitors. Biotechnology Letters. 33 (5), pp. 985-991. https://doi.org/10.1007/s10529-010-0511-6

Medium chain length polyhydroxyalkanoates, promising new biomedical materials for the future
Rai, R., Keshavarz, T., Roether, J.A., Boccaccini, A.R. and Roy, I. 2011. Medium chain length polyhydroxyalkanoates, promising new biomedical materials for the future. Materials Science and Engineering R: Reports. 72 (3), pp. 29-47. https://doi.org/10.1016/j.mser.2010.11.002

Application of fluorescent indicators to analyse intracellular calcium and morphology in filamentous fungi
Nair, R.R., Raina, S., Keshavarz, T. and Kerrigan, M.J.P. 2011. Application of fluorescent indicators to analyse intracellular calcium and morphology in filamentous fungi. Fungal Biology. 115 (4-5), pp. 326-334. https://doi.org/10.1016/j.funbio.2010.12.012

Production of polyhydroxyalkanoates and their medical applications
Roy, I., Akaraonye, E., Francis, L., Rai, R., Basnett, P. and Keshavarz, T. 2011. Production of polyhydroxyalkanoates and their medical applications. 7th International Conference on Polymer and Textile Biotechnology. Milan, Italy 2nd - 4th March 2011

Imaging internal features of whole, unfixed bacteria
Thomson, N., Channon, K., Mokhtar, N.A., Staniewicz, L., Rai, R., Roy, I., Sato, S., Tsuge, T., Donald, A.M., Summers, D. and Sivaniah, E. 2011. Imaging internal features of whole, unfixed bacteria. Scanning. 33 (2), pp. 59-68. https://doi.org/10.1002/sca.20221

Production of polyhydroxyalkanoates and their biomedical applications
Roy, I., Akaraonye, E., Francis, L., Rai, R., Basnett, P. and Keshavarz, T. 2011. Production of polyhydroxyalkanoates and their biomedical applications. Euro BioMat 2011 - European Symposium on Biomaterials and Related Areas. Jena, Germany

Polyhydroxyalkanoates: the emerging new green polymers of choice
Rai, R. and Roy, I. 2011. Polyhydroxyalkanoates: the emerging new green polymers of choice. in: Sharma, S.K. and Mudhoo, A. (ed.) A handbook of applied biopolymer technology: synthesis, degradation and applications Royal Society of Chemistry.

Using electrophoretic deposition to identify protein charge in biological medium
Meng, D., Francis, L., Roy, I. and Boccaccini, A.R. 2011. Using electrophoretic deposition to identify protein charge in biological medium. Journal of Applied Electrochemistry. 41 (8), pp. 919-923. https://doi.org/10.1007/s10800-011-0317-9

Biosynthesis of polyhydroxyalkanoates and their medical applications
Francis, L. 2011. Biosynthesis of polyhydroxyalkanoates and their medical applications. PhD thesis University of Westminster School of Life Sciences https://doi.org/10.34737/8zxz2

Controlled delivery of gentamicin using poly(3-hydroxybutyrate) microspheres
Francis, L., Meng, D., Knowles, J.C., Keshavarz, T., Boccaccini, A.R. and Roy, I. 2011. Controlled delivery of gentamicin using poly(3-hydroxybutyrate) microspheres. International Journal of Molecular Sciences. 12 (7), pp. 4294-4314. https://doi.org/10.3390/ijms12074294

Polyhydroxyalkanoate (PHA): bacterial cellulose composites for biomedical applications
Basnett, P., Smith, C.L., Boccaccini, A.R., Knowles, J.C., Keshavarz, T. and Roy, I. 2011. Polyhydroxyalkanoate (PHA): bacterial cellulose composites for biomedical applications. 24th European Conference on Biomaterials - Annual Conference of the European Society for Biomaterials. Dublin, Ireland Sept 2011

The homopolymer poly(3-hydroxyoctanoate) as a matrix material for soft tissue engineering
Rai, R., Boccaccini, A.R., Knowles, J.C., Mordon, N., Salih, V., Locke, I.C., Moshrefi-Torbati, M., Keshavarz, T. and Roy, I. 2011. The homopolymer poly(3-hydroxyoctanoate) as a matrix material for soft tissue engineering. Journal of Applied Polymer Science. 122 (6), pp. 3606-3617. https://doi.org/10.1002/app.34772

Impact of linoleic acid supplementation on lovastatin production in Aspergillus terreus cultures
Sorrentino, F., Roy, I. and Keshavarz, T. 2010. Impact of linoleic acid supplementation on lovastatin production in Aspergillus terreus cultures. Applied Microbiology and Biotechnology. 88 (1), pp. 65-73. https://doi.org/10.1007/s00253-010-2722-0

Production of SCL and MCL polyhydroxyalkanoates and their applications
Roy, I., Akaraonye, E., Francis, L., Rai, R. and Boccaccini, A.R. 2010. Production of SCL and MCL polyhydroxyalkanoates and their applications. 12th International Symposium on Biodegradable Polyesters. Stuttgart, Germany.

Multifunctional P(3HB) microsphere/45S Bioglass ®-based composite scaffolds for bone tissue engineering
Francis, L., Meng, D., Boccaccini, A.R. and Roy, I. 2010. Multifunctional P(3HB) microsphere/45S Bioglass ®-based composite scaffolds for bone tissue engineering. 12th International Symposium on Biodegradable Polyesters. Stuttgart, Germany.

In vitro mutagenesis of the type IV polyhydroxyalkanoate synthase from bacillus cereus SPV
Basnett, P., Philip, S.E., Markhiv, A., Vydayanathan, A. and Roy, I. 2010. In vitro mutagenesis of the type IV polyhydroxyalkanoate synthase from bacillus cereus SPV. 12th International Symposium on Biodegradable Polyesters. Stuttgart, Germany.

Enhanced and economical production of poly(3-hydroxybutyrate), a biodegradable polymer and its applications
Akaraonye, E., Safarikova, M., Keshavarz, T. and Roy, I. 2010. Enhanced and economical production of poly(3-hydroxybutyrate), a biodegradable polymer and its applications. 12th International Symposium on Biodegradable Polyesters. Stuttgart, Germany.

Quorum sensing as a method for improving sclerotiorin production in Penicillium sclerotiorum
Raina, S., Odell, M. and Keshavarz, T. 2010. Quorum sensing as a method for improving sclerotiorin production in Penicillium sclerotiorum. Journal of Biotechnology. 148 (2-3), pp. 91-98. https://doi.org/10.1016/j.jbiotec.2010.04.009

Multi-functional P(3HB) microsphere/45S5 Bioglass((R))-based composite scaffolds for bone tissue engineering
Francis, L., Meng, D., Knowles, J.C., Roy, I. and Boccaccini, A.R. 2010. Multi-functional P(3HB) microsphere/45S5 Bioglass((R))-based composite scaffolds for bone tissue engineering. Acta Biomaterialia. 6 (7), pp. 2773-2786. https://doi.org/10.1016/j.actbio.2009.12.054

In vitro production of polyhydroxyalkanoates: achievements and applications
Thomson, N., Roy, I., Summers, D. and Sivaniah, E. 2010. In vitro production of polyhydroxyalkanoates: achievements and applications. Journal of Chemical Technology and Biotechnology. 85 (6), pp. 760-767. https://doi.org/10.1002/jctb.2299

Polyhydroxyalkanoates: bioplastics with a green agenda
Keshavarz, T. and Roy, I. 2010. Polyhydroxyalkanoates: bioplastics with a green agenda. Current Opinion in Microbiology. 13 (3), pp. 321-326. https://doi.org/10.1016/j.mib.2010.02.006

Production of polyhydroxyalkanoates: the future green materials of choice
Akaraonye, E., Keshavarz, T. and Roy, I. 2010. Production of polyhydroxyalkanoates: the future green materials of choice. Journal of Chemical Technology and Biotechnology. 85 (6), pp. 732-743. https://doi.org/10.1002/jctb.2392

Poly(3-hydroxybutyrate) multifunctional composite scaffolds for tissue engineering applications
Misra, S.K., Ansari, T.I., Valappil, S.P., Mohn, D., Philip, S.E., Stark, W.J., Roy, I., Knowles, J.C., Salih, V. and Boccaccini, A.R. 2010. Poly(3-hydroxybutyrate) multifunctional composite scaffolds for tissue engineering applications. Biomaterials. 31 (10), pp. 2806-2815. https://doi.org/10.1016/j.biomaterials.2009.12.045

Characterization of carbon nanotube (MWCNT) containing P(3HB)/bioactive glass composites for tissue engineering applications
Misra, S.K., Ohashi, F., Valappil, S.P., Knowles, J.C., Roy, I., Ravi, S., Silva, P., Salih, V. and Boccaccini, A.R. 2010. Characterization of carbon nanotube (MWCNT) containing P(3HB)/bioactive glass composites for tissue engineering applications. Acta Biomaterialia. 6 (3), pp. 735-742. https://doi.org/10.1016/j.actbio.2009.09.023

Effect of nanoparticulate bioactive glass particles on bioactivity and cytocompatibility of poly(3-hydroxybutyrate) composites
Misra, S.K., Ansari, T.I., Mohn, D., Valappil, S.P., Brunner, T.J., Stark, W.J., Roy, I., Knowles, J.C., Sibbons, P.D., Valsami-Jones, E., Boccaccini, A.R. and Salih, V. 2010. Effect of nanoparticulate bioactive glass particles on bioactivity and cytocompatibility of poly(3-hydroxybutyrate) composites. Journal of the Royal Society Interface. 7 (44), pp. 453-465. https://doi.org/10.1098/rsif.2009.0255

Polyhydroxyalkanoates, the emerging new green polymers of choice
Rai, R. and Roy, I. 2010. Polyhydroxyalkanoates, the emerging new green polymers of choice. in: Biodegradable polymers and green chemistry Royal Society of Chemistry. pp. 79-97

Microbial production of biodegradable polymers and their role in cardiac stent development
Basnett, P. and Roy, I. 2010. Microbial production of biodegradable polymers and their role in cardiac stent development. in: Mendez-Vilas, A. (ed.) Current research, technology and education topics in applied microbiology and microbial biotechnology Formatex Research Center.

Biodegradable polymers and their role in coronary stent development
Basnett, P. and Roy, I. 2010. Biodegradable polymers and their role in coronary stent development. in: Current research in technology and education topics in applied microbiology and microbial biotechnology Formatex Research Center.

Fabrication of a novel poly(3-hydroxyoctanoate) / nanoscale bioactive glass composite film with potential as a multifunctional wound dressing
Rai, R., Boccaccini, A.R., Knowles, J.C., Locke, I.C., Gordge, M.P., McCormick, A., Salih, V., Mordon, N., Keshavarz, T. and Roy, I. 2010. Fabrication of a novel poly(3-hydroxyoctanoate) / nanoscale bioactive glass composite film with potential as a multifunctional wound dressing. 5th international conference on times of polymers (TOP) and composites. Ischia, Italy 20–23 June 2010 https://doi.org/10.1063/1.3455552

The influence of tetracycline loading on the surface morphology and biocompatibility of films made from P(3HB) microspheres
Francis, L., Meng, D., Locke, I.C., Mordon, N., Salih, V., Knowles, J.C., Boccaccini, A.R. and Roy, I. 2010. The influence of tetracycline loading on the surface morphology and biocompatibility of films made from P(3HB) microspheres. Advanced Engineering Materials. 12 (7), pp. B260-B268. https://doi.org/10.1002/adem.201080020

Electrospun nanofibrous biodegradable polyester coatings on Bioglass®-based glass-ceramics for tissue engineering
Bretcanu, O., Misra, S.K., Yunos, D.M., Boccaccini, A.R., Roy, I., Kowalczyk, T., Blonski, S. and Kowalewski, T.A. 2009. Electrospun nanofibrous biodegradable polyester coatings on Bioglass®-based glass-ceramics for tissue engineering. Materials Chemistry and Physics. 118 (2-3), pp. 420-426. https://doi.org/10.1016/jmatchemphys.2009.08.01

Microbial quorum sensing: a tool or a target for antimicrobial therapy?
Raina, S., De Vizio, D., Odell, M., Clements, M.O., Vanhulle, S. and Keshavarz, T. 2009. Microbial quorum sensing: a tool or a target for antimicrobial therapy? Biotechnology and Applied Biochemistry. 54 (2), pp. 65-84. https://doi.org/10.1042/BA20090072

Quantitative PCR study on the mode of action of oligosaccharide elicitors on penicillin G production by Penicillium chrysogenum
Nair, R.R., Roy, I., Bucke, C. and Keshavarz, T. 2009. Quantitative PCR study on the mode of action of oligosaccharide elicitors on penicillin G production by Penicillium chrysogenum. Journal of Applied Microbiology. 107 (4), pp. 1131-1139. https://doi.org/10.1111/j.1365-2672.2009.04293.x

Effect of impeller speed and pH on the production of Poly(3-hydroxybutyrate) using Bacillus cereus SPV
Philip, S.E., Sengupta, S., Keshavarz, T. and Roy, I. 2009. Effect of impeller speed and pH on the production of Poly(3-hydroxybutyrate) using Bacillus cereus SPV. Biomacromolecules. 10 (4), pp. 691-699. https://doi.org/10.1021/bm801395p

Incorporation of vitamin E in poly(3hydroxybutyrate)/Bioglass composite films: effect on surface properties and cell attachment
Misra, S.K., Philip, S.E., Chrzanowski, W., Nazhat, S.N., Roy, I., Knowles, J.C., Salih, V. and Boccaccini, A.R. 2009. Incorporation of vitamin E in poly(3hydroxybutyrate)/Bioglass composite films: effect on surface properties and cell attachment. Journal of the Royal Society Interface. 6 (33), pp. 401-409. https://doi.org/10.1098/rsif.2008.0278

In vitro biocompatibility of 45S5 Bioglass®-derived glass-ceramic scaffolds coated with poly(3-hydroxybutyrate)
Bretcanu, O., Misra, S.K., Roy, I., Renghini, C., Fiori, F., Boccaccini, A.R. and Salih, V. 2009. In vitro biocompatibility of 45S5 Bioglass®-derived glass-ceramic scaffolds coated with poly(3-hydroxybutyrate). Journal of Tissue Engineering and Regenerative Medicine. 3 (2), pp. 139-148. https://doi.org/10.1002/term.150

Polyhydroxyalkanoate synthases-enzymes involved in biodegradable polymer synthesis
Roy, I., Philip, S.E. and Keshavarz, T. 2009. Polyhydroxyalkanoate synthases-enzymes involved in biodegradable polymer synthesis. COST Action 868: Biotechnical Functionalisation of Renewable Polymeric Materials : Meeting on "Biotechnology and Biopolymers in Textile, Packaging, Cosmetics and Medical Applications". Istanbul, Turkey 19 - 20 Feb 2009

Microbial PHA biosynthesis and its biomedical applications
Roy, I., Philip, S.E., Francis, L., Rai, R., Keshavarz, T., Misra, S.K., Decheng, M. and Boccaccini, A.R. 2009. Microbial PHA biosynthesis and its biomedical applications. in: Proceedings of Euromat 2009, Glasgow, 7 - 10 September 2009 Euromat.

A class IV PHA synthase from Bacillus cereus SPV
Philip, S.E. and Roy, I. 2009. A class IV PHA synthase from Bacillus cereus SPV. in: Kiekens, P., Nierstrasz, V. and Lenting, H.B.M. (ed.) Proceedings of the international conference on textile and polymer biotechnology 6th Het Pand, Ghent, Belgium 23-25 September 2009 Ghent University. Department of Textiles Ghent.

P(3HB) production by Bacillus cereus SPV using sucrose as a carbon source
Akaraonye, E., Keshavarz, T. and Roy, I. 2009. P(3HB) production by Bacillus cereus SPV using sucrose as a carbon source. in: Kiekens, P., Nierstrasz, V. and Lenting, H.B.M. (ed.) Proceedings of the international conference on textile and polymer biotechnology 6th Het Pand, Ghent, Belgium 23-25 September 2009 Ghent University. Department of Textiles Ghent.

Elicitation effects of oligosaccharides on the transcriptional level of bacitracin ABC transporter genes in Bacillus licheniformis
Murphy, T., Roy, I., Harrop, A., Dixon, K. and Keshavarz, T. 2008. Elicitation effects of oligosaccharides on the transcriptional level of bacitracin ABC transporter genes in Bacillus licheniformis. Biotechnology Letters. 30 (9), pp. 1665-1670. https://doi.org/10.1007/s10529-008-9743-0

Dye decolorisation by laccase entrapped in copper alginate
Teerapatsakul, C., Bucke, C., Parra, R., Keshavarz, T. and Chitradon, L. 2008. Dye decolorisation by laccase entrapped in copper alginate. World Journal of Microbiology and Biotechnology. 24 (8), pp. 1367-1374. https://doi.org/10.1007/s11274-007-9617-y

Polyhydroxyalkanoate biosynthesis in Bacillus cereus SPV under varied limiting conditions and an insight into the biosynthetic genes involved
Valappil, S.P., Rai, R., Bucke, C. and Roy, I. 2008. Polyhydroxyalkanoate biosynthesis in Bacillus cereus SPV under varied limiting conditions and an insight into the biosynthetic genes involved. Journal of Applied Microbiology. 104 (6), pp. 1624-1635. https://doi.org/10.1111/j.1365-2672.2007.03678.x

Towards higher laccase activities produced by aquatic ascomycetous fungi through combination of elicitors and an alternative substrate
Junghanns, C., Parra, R., Keshavarz, T. and Schlosser, D. 2008. Towards higher laccase activities produced by aquatic ascomycetous fungi through combination of elicitors and an alternative substrate. Engineering in Life Sciences. 8 (3), pp. 277-285. https://doi.org/10.1002/elsc.200800042

Comparison of nanoscale and microscale bioactive glass on the properties of P(3HB)/Bioglass® composites
Misra, S.K., Mohn, D., Brunner, T.J., Stark, W.J., Philip, S.E., Roy, I., Salih, V., Knowles, J.C. and Boccaccini, A.R. 2008. Comparison of nanoscale and microscale bioactive glass on the properties of P(3HB)/Bioglass® composites. Biomaterials. 29 (12), pp. 1750-1761. https://doi.org/10.1016/j.biomaterials.2007.12.040

Metabolite profiles of interacting mycelial fronts differ for pairings of the wood decay basidiomycete fungus, Stereum hirsutum with its competitors Coprinus micaceus and Coprinus disseminatus
Peiris, D., Dunn, W.B., Brown, M., Kell, D.B., Roy, I. and Hedger, J.N. 2008. Metabolite profiles of interacting mycelial fronts differ for pairings of the wood decay basidiomycete fungus, Stereum hirsutum with its competitors Coprinus micaceus and Coprinus disseminatus. Metabolomics. 4 (1), pp. 52-62. https://doi.org/10.1007/s11306-007-0100-4

Optimisation of β-glucuronidase production from a newly isolated Ganoderma applanatum
Chouiter, R., Roy, I. and Bucke, C. 2008. Optimisation of β-glucuronidase production from a newly isolated Ganoderma applanatum. Journal of Molecular Catalysis B: Enzymatic. 50 (2-4), pp. 114-120. https://doi.org/10.1016/j.molcatb.2007.09.015

Microbial biosynthesis of PHAs and its applications
Roy, I., Philip, S.E., Francis, L., Rai, R., Valappil, S.P., Markiv, A., Keshavarz, T., Misra, S.K., Decheng, M. and Boccaccini, A.R. 2008. Microbial biosynthesis of PHAs and its applications. COST Action 868: Biotechnical Functionalisation of Renewable Polymeric Materials: 2008 Annual Workshop (combined Working Group and Management Committee meeting). Varna, Bulgaria 18 -19 Sep 2008

Microbial PHA biosynthesis and its applications
Roy, I., Philip, S.E., Francis, L., Rai, R., Valappil, S.P., Markiv, A., Keshavarz, T., Misra, S.K., Decheng, M. and Boccaccini, A.R. 2008. Microbial PHA biosynthesis and its applications. 11th International Symposium on Biodegradable Polyesters. Massey University in Auckland, New Zealand 23 - 26 Nov 2008

Polyhydroxyalkanoates: a new generation of biotechnologically produced biodegradable polymers
Roy, I. and Philip, S.E. 2008. Polyhydroxyalkanoates: a new generation of biotechnologically produced biodegradable polymers. in: Richter, F.W. (ed.) Biotechnology: research, technology and applications New York Nova Science Publishers. pp. 1-48

Fabrication of a novel
Roy, I. and Philip, S.E. 2008. Fabrication of a novel. in: Richter, F.W. (ed.) Biotechnology: research, technology and applications New York Nova Science Publishers. pp. 1-48

Production of medium chain length polyhydroxyalkanoates using Pseudomonas species
Rai, R., Keshavarz, T. and Roy, I. 2008. Production of medium chain length polyhydroxyalkanoates using Pseudomonas species. 11th International Symposium on Biodegradable Polyesters. Massey University in Auckland, New Zealand 23 - 26 Nov 2008

Polyhydroxyalkanoate synthase in Bacillus cereus SPV, a class IV PHA synthase
Philip, S.E., Odell, M., Keshavarz, T. and Roy, I. 2008. Polyhydroxyalkanoate synthase in Bacillus cereus SPV, a class IV PHA synthase. 11th International Symposium on Biodegradable Polyesters. Massey University in Auckland, New Zealand 23 - 26 Nov 2008

Optimisation studies of multiple elicitor addition in microbial systems: P.Chrysogenum and B.Lichiniformis
Nair, R.R., Murphy, T., Roy, I., Harrop, A., Dixon, K. and Keshavarz, T. 2008. Optimisation studies of multiple elicitor addition in microbial systems: P.Chrysogenum and B.Lichiniformis. in: Marino, G., Bardone, E. and Viglia, A. (ed.) IBIC2008 - 1st International Conference on Industrial Biotechnology AIDIC Servizi S.r.l..

Polyhydroxyalkanoate synthasis using Bacillus cereus SPV
Francis, L., Keshavarz, T. and Roy, I. 2008. Polyhydroxyalkanoate synthasis using Bacillus cereus SPV. COST Action 868: Biotechnical Functionalisation of Renewable Polymeric Materials: 2008 Annual Workshop (combined Working Group and Management Committee meeting). Varna, Bulgaria 18 -19 Sep 2008

Large-scale production and efficient recovery of PHB with desirable material properties, from the newly characterised Bacillus cereus SPV
Valappil, S.P., Misra, S.K., Boccaccini, A.R., Keshavarz, T., Bucke, C. and Roy, I. 2007. Large-scale production and efficient recovery of PHB with desirable material properties, from the newly characterised Bacillus cereus SPV. Journal of Biotechnology. 132 (3), pp. 251-258. https://doi.org/10.1016/j.jbiotec.2007.03.013

Biodegradable polymer coated 45S5 Bioglassderived glass-ceramic scaffolds for bone tissue engineering
Bretcanu, O., Chen, Q., Misra, S.K., Boccaccini, A.R., Roy, I., Verne, E. and Brovarone, C.V. 2007. Biodegradable polymer coated 45S5 Bioglassderived glass-ceramic scaffolds for bone tissue engineering. European Journal of Glass Science and Technology Part A. 48 (5), pp. 227-234.

Effect of oligosaccharide elicitors on bacitracin A production and evidence of transcriptional level control
Keshavarz, T., Murphy, T., Roy, I., Harrop, A. and Dixon, K. 2007. Effect of oligosaccharide elicitors on bacitracin A production and evidence of transcriptional level control. Journal of Biotechnology. 131 (4), pp. 397-403. https://doi.org/10.1016/j.jbiotec.2007.07.943

Fabrication and characterization of biodegradable poly(3-hydroxybutyrate) composite containing Bioglass
Misra, S.K., Nazhat, S.N., Valappil, S.P., Moshrefi-Torbati, M., Wood, R.J.K., Roy, I. and Boccaccini, A.R. 2007. Fabrication and characterization of biodegradable poly(3-hydroxybutyrate) composite containing Bioglass. Biomacromolecules. 8 (7), pp. 2112-2119. https://doi.org/10.1021/bm0701954S1525-7797(07)00195-X

Effect of mannan oligosaccharide elicitor and ferulic acid on enhancement of laccases production in liquid cultures of basidiomycetes
Vanhulle, S., Radman, R., Parra, R., Cui, T., Bols, C.M., Tron, T., Sannia, G. and Keshavarz, T. 2007. Effect of mannan oligosaccharide elicitor and ferulic acid on enhancement of laccases production in liquid cultures of basidiomycetes. Enzyme and Microbial Technology. 40 (7), pp. 1712-1718. https://doi.org/10.1016/j.enzmictec.2006.10.002

Novel application of oligosaccharides as elicitors for the enhancement of bacitracin A production in cultures of Bacillus licheniformis
Murphy, T., Parra, R., Radman, R., Roy, I., Harrop, A., Dixon, K. and Keshavarz, T. 2007. Novel application of oligosaccharides as elicitors for the enhancement of bacitracin A production in cultures of Bacillus licheniformis. Enzyme and Microbial Technology. 40 (6), pp. 1518-1523. https://doi.org/10.1016/j.enzmictec.2006.10.030

Polyhydroxyalkanoates: biodegradable polymers with a range of applications
Philip, S.E., Keshavarz, T. and Roy, I. 2007. Polyhydroxyalkanoates: biodegradable polymers with a range of applications. Journal of Chemical Technology and Biotechnology. 82 (3), pp. 233-247. https://doi.org/10.1002/jctb.1667

Poly(3- hydroxybutyrate)/Bioglass® composite films containing carbon nanotubes
Misra, S.K., Watts, P.C.P., Valappil, S.P., Silva, S.R.P., Boccaccini, A.R. and Roy, I. 2007. Poly(3- hydroxybutyrate)/Bioglass® composite films containing carbon nanotubes. Nanotechnology. 18 (7), p. 075701. https://doi.org/10.1088/0957-4484/18/7/075701

PHA biosynthesis in Bacillus cereus SPV and its applications
Roy, I., Valappil, S.P., Misra, S.K. and Boccaccini, A.R. 2007. PHA biosynthesis in Bacillus cereus SPV and its applications. COST Action 868: Biotechnical Functionalisation of Renewable Polymeric Materials: first annual workshop. Graz, Austria 12 - 14 Sep 2007

PHA Biosynthesis in Bacillus cereus SPV
Roy, I., Philip, S.E., Rai, R. and Valappil, S.P. 2007. PHA Biosynthesis in Bacillus cereus SPV. International Conference on Biodegradable Polymers: their production, characterisation and application. SCI, London 10 Dec 2007

Production of Polyhydroxyalkanoates from Bacillus cereus SPV under different nutrient limiting conditions
Rai, R., Padinhara, S.V., Keshavarz, T. and Roy, I. 2007. Production of Polyhydroxyalkanoates from Bacillus cereus SPV under different nutrient limiting conditions. COST Action 868: Biotechnical Functionalisation of Renewable Polymeric Materials: first annual workshop. Graz, Austria 12 - 14 Sep 2007

Production of medium chain length polyhydroxyalkanoates using pseudomonas species UOW0417398
Rai, R., Keshavarz, T. and Roy, I. 2007. Production of medium chain length polyhydroxyalkanoates using pseudomonas species UOW0417398. International Conference on Biodegradable Polymers: their production, characterisation and application. SCI, London 10 Dec 2007

Polyhydroxy-alkanoates - the biodegradable polymers
Philip, S.E., Odell, M., Keshavarz, T. and Roy, I. 2007. Polyhydroxy-alkanoates - the biodegradable polymers. International Conference on Biodegradable Polymers: their production, characterisation and application. SCI, London 10 Dec 2007

Polyhydroxyalkanoate (PHA) biosynthesis from structurally unrelated carbon sources by a newly characterized Bacillus spp
Valappil, S.P., Peiris, D., Langley, G.J., Herniman, J.M., Boccaccini, A.R., Bucke, C. and Roy, I. 2007. Polyhydroxyalkanoate (PHA) biosynthesis from structurally unrelated carbon sources by a newly characterized Bacillus spp. Journal of Biotechnology. 127 (3), pp. 475-487. https://doi.org/10.1016/j.jbiotec.2006.07.015

Polyhydroxyalkanoates in Gram-positive bacteria: insights from the genera Bacillus and Streptomyces
Valappil, S.P., Boccaccini, A.R., Bucke, C. and Roy, I. 2007. Polyhydroxyalkanoates in Gram-positive bacteria: insights from the genera Bacillus and Streptomyces. Antonie van Leeuwenhoek. 91 (1), pp. 1-17. https://doi.org/10.1007/s10482-006-9095-5

Biomedical applications of polyhydroxyalkanoates: an overview of animal testing and in vivo responses
Valappil, S.P., Misra, S.K., Boccaccini, A.R. and Roy, I. 2006. Biomedical applications of polyhydroxyalkanoates: an overview of animal testing and in vivo responses. Expert Review of Medical Devices. 3 (6), pp. 853-868. https://doi.org/10.1586/17434440.3.6.853

Effects of oligosaccharides and polysaccharides on the generation of reactive oxygen species in different biological systems
Radman, R., Bland, E.J., Sangworachat, N., Bucke, C. and Keshavarz, T. 2006. Effects of oligosaccharides and polysaccharides on the generation of reactive oxygen species in different biological systems. Biotechnology and Applied Biochemistry. 44 (3), pp. 129-133. https://doi.org/10.1042/BA20050217

Cell immobilization: past, present and future prospects
Keshavarz, T. and Nedovic, V. 2006. Cell immobilization: past, present and future prospects. Journal of Chemical Technology and Biotechnology. 81 (4), pp. 483-484. https://doi.org/10.1002/jctb.1517

Specificities of proteases for use in leather manufacture
Foroughi, F., Keshavarz, T. and Evans, C.S. 2006. Specificities of proteases for use in leather manufacture. Journal of Chemical Technology and Biotechnology. 81 (3), pp. 257-261. https://doi.org/10.1002/jctb.1367

Nanoindentation testing of biodegradabale polymers
Wood, R.J.K., Dan, S., Moshrefi-Torbati, M., Misra, S.K., Valappil, S.P., Boccaccini, A.R. and Roy, I. 2006. Nanoindentation testing of biodegradabale polymers. Proceedings of CAMTEC Workshop. University of Cambridge, Cambridge, UK 11 Apr 2006

PHA biosynthesis in Bacillus cereus SPV and its applications
Roy, I., Valappil, S.P., Misra, S.K. and Boccaccini, A.R. 2006. PHA biosynthesis in Bacillus cereus SPV and its applications. Proceedings of the International Symposium on Biological Polyesters. Minneapolis, USA 27 - 31 Aug 2006

Polyhydroxyalkanoate (PHA)/inorganic phase composites for tissue engineering applications
Misra, S.K., Valappil, S.P., Roy, I. and Boccaccini, A.R. 2006. Polyhydroxyalkanoate (PHA)/inorganic phase composites for tissue engineering applications. Biomacromolecules. 7 (8), pp. 2250-2257. https://doi.org/10.1021/bm060317c

Development of polyhydroxyalkanoates/Bioglass® composite tissue scaffolds for tissue engineering applications
Misra, S.K., Valappil, S.P., Nazhat, S.N., Moshrefi-Torbati, M., Roy, I. and Boccaccini, A.R. 2006. Development of polyhydroxyalkanoates/Bioglass® composite tissue scaffolds for tissue engineering applications. Proceedings of the 20th European Conference on Biomaterials, European Society of Biomaterials. Nantes, FRANCE 27 Sep - 01 Oct 2006

From bacteria to tissue engineering applications-usage of polyhydroxyalkanoates for biomedical applications
Misra, S.K., Nazhat, S.N., Torbati, M.M., Silva, S.R.P., Roy, I. and Boccaccini, A.R. 2006. From bacteria to tissue engineering applications-usage of polyhydroxyalkanoates for biomedical applications. Proceedings of the International Conference on the Design of Biomaterials. Kanpur, India 08 - 11 Dec 2006

Comparative studies on the influence of higher basidiomycetes polysaccharide fractions on reactive oxidizing species production
Lakkireddy, G., Keshavarz, T. and Bucke, C. 2006. Comparative studies on the influence of higher basidiomycetes polysaccharide fractions on reactive oxidizing species production. International Journal of Medicinal Mushrooms. 8 (2), pp. 135-148. https://doi.org/10.1615/IntJMedMushr.v8.i2

Biological activity of industrial wood and bark waste from Pinus nigra
Curras Lino, M., Radman, R., Bertaud, F., Nisula, L., Lenon, G., Holbom, B., Locke, I.C., Thompson, S. and Keshavarz, T. 2006. Biological activity of industrial wood and bark waste from Pinus nigra. in: Actual problems of creation of new medicinal preparations of natural origin: the 10th international congress PHYTOPHARM 2006, St.-Petersburg, June 27-30, 2006: proceedings of congress St Petersburg, Russia PHYTOPHARM. pp. 401-403

Polyhydroxyalkanoate synthases: the enzymes involved in biodegradable polymer synthesis
Valappil, S.P., Philip, S.E., Odell, M., Keshavarz, T. and Roy, I. 2005. Polyhydroxyalkanoate synthases: the enzymes involved in biodegradable polymer synthesis. Proceedings of Frontiers in Chemical Biology: Mechanistic Enzymology and Biocatalysis. Exeter, UK 31 Aug - 02 Sep 2005

Large scale production of P(3HB) from newly isolated Bacillus sp.
Valappil, S.P., Keshavarz, T., Bucke, C. and Roy, I. 2005. Large scale production of P(3HB) from newly isolated Bacillus sp. Proceedings of the 1st International Conference on Environmental Industrial and Applied Microbiology. Badajoz, Spain 15 - 18 Mar 2005

Effect of various carbon sources on the production of PHAs from the newly isolated Bacillus sp.
Valappil, S.P., Bucke, C. and Roy, I. 2005. Effect of various carbon sources on the production of PHAs from the newly isolated Bacillus sp. Proceedings of the International Union of Microbiological Societies Congress, IUMS. San Fransisco, USA 23 - 28 Jul 2005

Towards unravelling the elicitation mechanism in cultures of Penicillium chrysogenin: Chrysogenin elicitation
Nair, R.R., Radman, R., Roy, I., Bucke, C. and Keshavarz, T. 2005. Towards unravelling the elicitation mechanism in cultures of Penicillium chrysogenin: Chrysogenin elicitation. in: Pierucci, S. (ed.) 7th Italian Conference on Chemical and Process Engineering: ICheaP 7, May 15-16, 2005, Giardini Di Naxos, Italy Italy Associazione Italiana Di Ingegneria Chimica.

Natural biodegradable polymers from the Polyhydroxyalkanoate family emerging as a promising material for biomedical applications
Misra, S.K., Boccaccini, A.R., Valappil, S.P. and Roy, I. 2005. Natural biodegradable polymers from the Polyhydroxyalkanoate family emerging as a promising material for biomedical applications. Proceedings of 'a Forecast of the Future for Biomaterials' Professor Larry L. Hench Retirement Symposium. London, UK 29 - 30 Sep 2005

Production of biopharmaceuticals through microbial cell immobilization
Keshavarz, T. 2005. Production of biopharmaceuticals through microbial cell immobilization. in: Nedovic, V. and Willaert, R. (ed.) Applications of cell immobilisation biotechnology Dordrecht, Germany Springer.

The metabolic role of methymalonyl CoA mutase in Escherichia coli
Kannan, S.M., Dwek, M., Bucke, C. and Roy, I. 2005. The metabolic role of methymalonyl CoA mutase in Escherichia coli. Proceedings of Viteomics: structure and function of vitamins and cofactors. Cambridge, UK 2005

Polysaccharides and polysaccharide-modifying enzymes in Ganoderma species
Chouiter, R., Roy, I. and Bucke, C. 2005. Polysaccharides and polysaccharide-modifying enzymes in Ganoderma species. Proceedings of the 13th European Carbohydrate Symposium. Bratislava, Slovakia 21 - 26 Aug 2005

Polysaccharide-modifying enzymes from Ganoderma species and their applications
Chouiter, R., Roy, I. and Bucke, C. 2005. Polysaccharide-modifying enzymes from Ganoderma species and their applications. Proceedings of the 1st International Conference on Environmental Industrial and Applied Microbiology. Badajoz, Spain 15 - 18 Mar 2005

Phylogenetic relationships between Basidiomycetes believed to be Ganoderma species based on distance analysis of their 5.8S, ITS1 and ITS2 rDNA sequences
Chouiter, R., Roy, I. and Bucke, C. 2005. Phylogenetic relationships between Basidiomycetes believed to be Ganoderma species based on distance analysis of their 5.8S, ITS1 and ITS2 rDNA sequences. Proceedings of the 1st International Conference on Environmental Industrial and Applied Microbiology. Badajoz, Spain 15 - 18 Mar 2005

Elicitor effects on Penicillium chrysogenum morphology in submerged cultures
Radman, R., Bucke, C. and Keshavarz, T. 2004. Elicitor effects on Penicillium chrysogenum morphology in submerged cultures. Biotechnology and Applied Biochemistry. 40 (3), pp. 229-233. https://doi.org/10.1042/BA20040062

The influence of small oligosaccharides on the immune system
Bland, E.J., Keshavarz, T. and Bucke, C. 2004. The influence of small oligosaccharides on the immune system. Carbohydrate Research. 339 (10), pp. 1673-1678. https://doi.org/10.1016/j.carres.2004.05.009

‘Identification and isolation of polyhydroalkanoates and cloning of PHA biosynthetic genes from Bacillus cereus SPV
Valappil, S.P., Bucke, C. and Roy, I. 2004. ‘Identification and isolation of polyhydroalkanoates and cloning of PHA biosynthetic genes from Bacillus cereus SPV. Proceedings of the International Symposium on Biological Polyesters, ISBP. Beijing, China 22 - 28 Aug 2004

Biosynthesis of polyhydroxyalkanoic acids by Streptomyces coelicolor
Valappil, S.P., Bhatia, Y., Bucke, C. and Roy, I. 2004. Biosynthesis of polyhydroxyalkanoic acids by Streptomyces coelicolor. e-Polymers.

Polyhydroxyalkanoate production by Bacillus cereus SPV
Roy, I. 2004. Polyhydroxyalkanoate production by Bacillus cereus SPV. Proceedings of the International Symposium on Biological Polyesters, ISBP. Beijing, China 22 - 28 Aug 2004

Morphological changes in the submerged cultures of Penicillium chrysogenum: elicitor effects
Radman, R., Bucke, C. and Keshavarz, T. 2004. Morphological changes in the submerged cultures of Penicillium chrysogenum: elicitor effects. in: Pierucci, S. (ed.) 6th Italian Conference on Chemical and Process Engineering: ICheaP 6, June 8-11, 2003, Pisa, Italy Italy Associazione Italiana Di Ingegneria Chimica.

Carbohydrates and carbohydrate active enzymes in Ganoderma applanatum
Budala, S., Bucke, C. and Roy, I. 2004. Carbohydrates and carbohydrate active enzymes in Ganoderma applanatum. Proceedings of the 22nd International Carbohydrate Symposium. Glasgow, UK 23 - 27 Jul 2004

Elicitor effects on reactive oxygen species in liquid cultures of Penicillium chrysogenum
Radman, R., Bucke, C. and Keshavarz, T. 2004. Elicitor effects on reactive oxygen species in liquid cultures of Penicillium chrysogenum. Biotechnology Letters. 26 (2), pp. 147-152. https://doi.org/10.1023/B:BILE.0000012897.28356.cb

5-Aminolevulinic acid synthase: mechanism, mutations and medicine
Shoolingin-Jordan, P., Al-Daihan, S., Alexeev, D., Baxter, R.L., Bottomley, S.S., Kahari, I.D., Roy, I., Sarwar, M., Sawyer, L. and Wang, S.F. 2003. 5-Aminolevulinic acid synthase: mechanism, mutations and medicine. Biochimica et Biophysica Acta: Proteins and Proteomics. 1647 (1-2), pp. 361-365. https://doi.org/10.1016/S1570-9639(03)00095-5

Elicitation of plants and microbial cell systems
Radman, R., Saez, T., Bucke, C. and Keshavarz, T. 2003. Elicitation of plants and microbial cell systems. Biotechnology and Applied Biochemistry. 37 (1), pp. 91-102.

Biosynthesis of medium chain length polyhydroxyalakanoic acids by Streptomyces coelicolor
Valappil, S.P., Bucke, C. and Roy, I. 2003. Biosynthesis of medium chain length polyhydroxyalakanoic acids by Streptomyces coelicolor. ICBP 2003. Proceedings of the 1st IUPAC International Conference on Bio-Based Polymers. Saitama, Japan 12 - 14 Nov 2003

Transformation of high concentrations of chlorophenols by the white-rot basidiomycete Trametes versicolor immobilized on nylon mesh
Sedarati, M.R., Keshavarz, T., Leontievsky, A. and Evans, C.S. 2003. Transformation of high concentrations of chlorophenols by the white-rot basidiomycete Trametes versicolor immobilized on nylon mesh. Electronic Journal of Biotechnology. 6 (2), pp. 104-114.

A process comparison between production of antibody fragments in E. coli and in Aspergillus awamori
Keshavarz, T. and Keshavarz-Moore, E. 2003. A process comparison between production of antibody fragments in E. coli and in Aspergillus awamori. in: Pierucci, S. (ed.) 6th Italian Conference on Chemical and Process Engineering: ICheaP 6, June 8-11, 2003, Pisa, Italy Italy Associazione Italiana Di Ingegneria Chimica.

A possible role of poly-3-hydroxybutyric acid in antibiotic production in Streptomyces
Verma, S., Bhatia, Y., Valappil, S.P. and Roy, I. 2002. A possible role of poly-3-hydroxybutyric acid in antibiotic production in Streptomyces. Archives of Microbiology. 179 (1), pp. 66-69. https://doi.org/10.1007/s00203-002-0500-9

Biosynthesis of polyhydroxyalkanoates by Streptomyces coelicolor
Valappil, S.P., Bucke, C. and Roy, I. 2002. Biosynthesis of polyhydroxyalkanoates by Streptomyces coelicolor. Proceedings of the International Symposium on Biological Polyesters. Munster, Germany 22 - 26 Sep 2002

Factors affecting the production of a single-chain antibody fragment by Aspergillus awamori in a stirred tank reactor
Sotiriadis, A., Keshavarz, T. and Keshavarz-Moore, E. 2001. Factors affecting the production of a single-chain antibody fragment by Aspergillus awamori in a stirred tank reactor. Biotechnology Progress. 17 (4), pp. 618-623. https://doi.org/10.1021/bp010026+

Production of polyhydroxybutyrate by streptomyces
Verma, S. and Roy, I. 2001. Production of polyhydroxybutyrate by streptomyces. Proceedings of the Gordon Research Conference. Connecticut, USA 2001

Production of lipolytic enzymes in batch cultures of Ophiostoma piceae
Tamerler, C., Martinez, A. and Keshavarz, T. 2001. Production of lipolytic enzymes in batch cultures of Ophiostoma piceae. Journal of Chemical Technology and Biotechnology. 76 (9), pp. 991-996. https://doi.org/10.1002/jctb.473

Effect of mannan and alginate oligosaccharides on production in bioreactors of penicillin G and its biosynthetic intermediates
Tamerler, C., Ariyo, B., Bucke, C. and Keshavarz, T. 2001. Effect of mannan and alginate oligosaccharides on production in bioreactors of penicillin G and its biosynthetic intermediates. Annals of Microbiology. 51 (1), pp. 53-60.

Effect of pH and loading manner on the start-up period of peat biofilter degrading xylene and toluene mixture
Marek, J., Paca, J., Halecky, M., Koutsky, B., Sobotka, M. and Keshavarz, T. 2001. Effect of pH and loading manner on the start-up period of peat biofilter degrading xylene and toluene mixture. Folia Microbiologica. 76 (9), pp. 205-209.

Using 2',7'-dichlorodihydrofluorescein-diacetate to assess polysaccharides as immunomodulating agents
Brand, E., Keshavarz, T. and Bucke, C. 2001. Using 2',7'-dichlorodihydrofluorescein-diacetate to assess polysaccharides as immunomodulating agents. Molecular Biotechnology. 19 (2), pp. 125-131.

Lipolytic enzyme production in batch and fed-batch cultures of Ophiostoma piceae and Fusarium oxysporum
Tamerler, C. and Keshavarz, T. 2000. Lipolytic enzyme production in batch and fed-batch cultures of Ophiostoma piceae and Fusarium oxysporum. Journal of Chemical Technology and Biotechnology. 75 (9), pp. 785-790. https://doi.org/10.1002/1097-4660(200009)75:9<785::AID-JCTB293>3.0.CO;2-R

Enhancement of chrysogenin production in cultures of Penicillium chrysogenum by uronic acid oligosaccharides
Asilonu, E., Bucke, C. and Keshavarz, T. 2000. Enhancement of chrysogenin production in cultures of Penicillium chrysogenum by uronic acid oligosaccharides. Biotechnology Letters. 22 (11), pp. 931-936. https://doi.org/10.1023/A:1005694415666

Phosphorylation of the periplasmic binding protein in two transport systems for arginine incorporation in Escherichia coli K-12 is unrelated to the function of the transport system
Celis, R.T.F., Leadlay, P.F., Roy, I. and Hansen, A. 1998. Phosphorylation of the periplasmic binding protein in two transport systems for arginine incorporation in Escherichia coli K-12 is unrelated to the function of the transport system. Journal of Bacteriology. 180 (18), pp. 4828-4833.

Metabolic Engineering, a route to the production of novel products
Roy, I. 1998. Metabolic Engineering, a route to the production of novel products. Proceedings of the National Conference on Bioprocessing and R-DNA Technology. Central Drug Research Institute, Lucknow, India 27 - 28 Mar 1998

A Methylmalonyl-CoA mutase in Escherichia coli?
Roy, I. and Leadlay, P.F. 1997. A Methylmalonyl-CoA mutase in Escherichia coli? in: Ahmad, F. (ed.) Advances in gene technology: biomolecular design, form and function Nature Publishing Group.

The masked cysteine residues in methylmalonyl-CoA mutase from Propionibacterium shermanii are essential for catalytic activity
Roy, I. 1996. The masked cysteine residues in methylmalonyl-CoA mutase from Propionibacterium shermanii are essential for catalytic activity. FEBS Letters. 394 (2), pp. 126-128. https://doi.org/10.1016/0014-5793(96)00897-6

Physical map location of the new Escherichia coli gene sbm
Roy, I. and Leadlay, P.F. 1992. Physical map location of the new Escherichia coli gene sbm. Journal of Bacteriology. 174 (17), pp. 5763-5764.

Mechanism and structure of a coenzyme-B12 dependent enzyme
Roy, I., Patchett, M.L., Keep, N.H. and Leadlay, P.F. 1990. Mechanism and structure of a coenzyme-B12 dependent enzyme. Proceedings of the Royal Society of Chemistry Fifth International Symposium on the Mechanisms of Reactions in Solution. University of Kent, UK 02 - 06 Jul 1990

The expression of adenosylcobalamin dependent methylmalonyl-CoA mutase from Propionibacterium shermanii in Escherichia coli
McKie, N., Keep, N.H., Roy, I., Patchett, M.L. and Leadlay, P.F. 1989. The expression of adenosylcobalamin dependent methylmalonyl-CoA mutase from Propionibacterium shermanii in Escherichia coli. Proceedings of the Royal Society of Chemistry International Symposium on the Molecular Mechanisms in Bioorganic Processes. University of Newcastle upon Tyne, UK 17 - 20 Jul 1989