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Gumel, A.M. and Annuar, M.S.M. (2014) Poly-3-hydroxyalkanoates-co-polyethylene Glycol Methacrylate Copolymers for pH Responsive and Shape Memory Hydrogel. Journal of Applied Polymer Science, 131 (23). ISSN 0021-8995,
Gumel, A.M. and Annuar, M.S.M. and Heidelberg, T. (2013) Enzymatic synthesis of 6-O-glucosyl-poly(3-hydroxyalkanoate) in organic solvents and their binary mixture. International Journal of Biological Macromolecules. pp. 127-136.
Gumel, A.M. and Annuar, Mohamad Suffian Mohamad and Chisti, Y. (2013) Recent advances in the production, recovery and applications of polyhydroxyalkanoates. Journal of Polymers and the Environment, 21 (2). pp. 580-605. ISSN 1566-2543, DOI https://doi.org/10.1007/s10924- 012-0527-1.
Gumel, A.M. and Annuar, M.S.M. and Heidelberg, T. (2013) Single-step lipase-catalyzed functionalization of medium-chain-length polyhydroxyalkanoates. Journal of Chemical Technology and Biotechnology. pp. 1328-1335. DOI https://doi.org/10.1002/jctb.3980.
Gumel, A.M. and Annuar, M.S.M. and Chisti, Y. (2013) Ultrasound-assisted enzymatic synthesis of poly-ε -caprolactone: kinetic behavior and reactor design. International Journal of Chemical Reactor Engineering, 11 (1). pp. 609-617. DOI https://doi.org/10.1515/ijcre-2013-0115.
Gumel, A.M. and Annuar, M.S.M. and Heidelberg, T. (2012) Biosynthesis and characterization of polyhydroxyalkanoates copolymers produced by pseudomonas putida bet001 isolated from palm oil mill effluent. PLoS ONE, 7 (9). pp. 1-8. ISSN 1932-6203,
Gumel, A.M. and Annuar, M.S.M. and Heidelberg, T. and Chisti, Y. (2012) Ultrasound assisted lipase catalyzed synthesis of poly-6-hydroxyhexanoate. Ultrasonics Sonochemistry, 19 (3). pp. 659-667. DOI https://doi.org/10.1016/j.ultsonch.2011.10.016.
Gumel, A.M. and Annuar, M.S.M. and Heidelberg, T. and Chisti, Y. (2011) Lipase mediated synthesis of sugar fatty acid esters. Process Biochemistry, 46. pp. 2079-2090. DOI https://doi.org/10.1016/j.procbio.2011.07.021.
Han, J. and Annuar, M.S.M. and Ariffin, M.F.K. and Gumel, A.M. and Ibrahim, S. and Heidelberg, T. and Bakar, B. and Hossain, A.B.M.S. and Sharifuddin, Y. (2011) Lipase-catalyzed synthesis of 6-o-d-glucosyldecanoate in tert-butanol: reaction optimization and effect of mixing power input. Biotechnology & Biotechnological Equipment, 25 (4). pp. 2642-2651. ISSN 1310-2818, DOI https://doi.org/10.5504/Bbeq.2011.0092.
Gumel, A.M. and Annuar, M.S. and Heidelberg, T. and Chisti, Y. (2011) Thermo-kinetics of lipase-catalyzed synthesis of 6-O-glucosyldecanoate. Bioresource Technology. ISSN 0960-8524, DOI 21816608.
