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Ahmad, M. S. and Cheng, C. K. and Ong, Huei Ruey and Hamidah, Abdullah and Hong, Chi Shein and Chua, Gek Kee and Mishra, Puranjan and Khan, Maksudur R. (2019) Electro-oxidation of waste glycerol to tartronic acid over Pt/CNT nanocatalyst: study of effect of reaction time on product distribution. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. pp. 1-18. ISSN 1556-7036 (Print); 1556-7230 (Online). (In Press / Online First) (In Press / Online First)
A., Idris and Chua, Gek Kee and Mohamad Rizza, Othman (2016) Incorporating Potential Environmental Impact from Water for Injection in Environmental Assessment of Monoclonal Antibody Production. Chemical Engineering Research and Design, 109. pp. 430-442. ISSN 0263-8762. (Published)
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Chua, Gek Kee and Chew, Few Ne and Siti Hatijah, Mortan and Noraziah, Abu Yazid (2023) Protease production from fishery wastes for sustainable development of industrial biotechnology in malaysia. Environmental Engineering and Management Journal, 22 (4). pp. 671-688. ISSN 1582-9596. (Published)
Chua, Gek Kee (2020) Bacterial cellulose production from food waste. , [Research Report] (Unpublished)
Chua, Gek Kee and Y. Tan, F. H. and Chew, Few Ne and Mohd Hairul, Ab. Rahim (2019) Nutrients content of food wastes from different sources and its pre-treatment. In: 6th International Conference on Environment: Empowering Environment and Sustainable Engineering Nexus Through Green Technology, ICENV 2018 , 11 - 13 Disember 2018 , Penang, Malaysia. pp. 1-10., 2124 (1). ISBN 978-0-7354-1864-6 (Published)
Chew, Few Ne and Chua, Gek Kee and Chin, Sim Yee and Nor Hanimah, Hamidi and Samah, Rozaimi Abu (2019) Integrated recovery process for recombinant protein over-expressed as inclusion bodies in bacterial cells using preparative electrophoresis. , [Research Report] (Unpublished)
Chin, S. Y. and Hong, Chi Shein and M. R., Kamaruzaman and Chua, Gek Kee (2018) Chromatography strategies for the composition determination of bio-based sorbitol azelaic acid ester. Polymer Testing, 65. pp. 270-280. ISSN 0142-9418. (Published)
Chua, Gek Kee and Nur Anis, Mohamad Ariff (2017) Lipopolysaccharide Induces The Production Of Diagnostic Monoclonal Antibody By Hybridoma Cells Against Congenital Adrenal Hyperplasia. Journal of Engineering Science and Technology, 12 (11). pp. 2939-2951. ISSN 1823-4690. (Published)
Chua, Gek Kee (2016) Development of a Low Serum Medium for the Production of Monoclonal Antibody Against Congenital Adrenal Hyperplasia by Hybridoma Culture. Preparative Biochemistry and Biotechnology, 46 (7). pp. 679-685. ISSN 1082-6068. (Published)
Chun, Yi Leong and Chua, Gek Kee and Rozaimi, Abu Samah and Chew, Few Ne (2016) Purity and concentration of solubilized inclusion bodies in protein refolding. In: The International Conference on Bioscience and Medical Engineering (ICBME) 2016 , 10 October 2016 , Universiti Teknologi Malaysia, Faculty of Bioscience & Medical Engineering. . (Unpublished) (Unpublished)
Chua, Gek Kee and Chin, Sim Yee and Zainol, Norazwina (2016) Tertiary treatment of palm oil mill effluent (POME) by the combination of microalgae and activated sludge using sequential batch reactor. , [Research Report] (Unpublished)
Chua, Gek Kee and Nur Anis, Saarani (2015) Screening and Optimising Metal Salt Concentration for Harvesting Nannochloropsis Sp. by Flocculation. Journal of Engineering and Technology, 6 (2). pp. 109-120. ISSN 2180-3811 (print); 2289-814X (online). (Published)
Chi, Shein Hong and Chin, S. Y. and Cheng, C. K. and Mohd Sabri, Mahmud and Chua, Gek Kee (2015) Enzymatic Conversion of Glycerol to Glyceric Acid with Immobilised Laccase in Na-Alginate Matrix. Procedia Chemistry, 16. pp. 632-639. ISSN 1876-6196. (Published)
Chi, Shein Hong and Chin, S. Y. and Chin, Fui Cheng and Mohd Sabri, Mahmud and Chua, Gek Kee (2015) Kinetic Study of Enzymatic Oxidation On Glycerol with Immobilised Laccase/TEMPO System. In: Asian Congress on Biotechnology 2015 (ACB2015) , 15-19 November 2015 , Kuala Lumpur. . (Published)
Chua, Gek Kee and Abdul-Rahman, Badarulhisam and Chisti, Yusuf (2013) Production and Scale-Up of a Monoclonal Antibody Against 17-Hydroxyprogesterone. Biotechnology Progress, 29 (1). pp. 154-164. ISSN 1520-6033. (Published)
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F. H., Zainuddin and Chua, Gek Kee and Chew, Few Ne and Rozaimi, Abu Samah and Siti Hatijah, Mortan and Noraziah, Abu Yazid (2020) Effect of type of nitrogen sources and concentration on protease production: fish waste hydrolysate as a potential low cost source. In: IOP Conference Series: Materials Science and Engineering; 5th International Conference of Chemical Engineering and Industrial Biotechnology, ICCEIB 2020 , 9 - 11 August 2020 , Kuala Lumpur, Malaysia. pp. 1-10., 991 (1). ISSN 1757-8981 (Print), 1757-899X (Online) (Published)
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Gupta, Arun and Nuruldiyanah, Kamarudin and Chua, Gek Kee and R. M., Yunus (2012) Extraction of Keratin Protein from Chicken Feather. Journal of Chemistry and Chemical Engineering, 6 (8). pp. 732-737. ISSN 1934-7375 . (Published)
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Hong, Chi Shein and Chin, S. Y. and Cheng, C. K. and Chua, Gek Kee (2019) Selective oxidation of glycerol to mesoxalic acid by laccase/2,2,6,6-tetramethylpiperidine-N-oxyl system : effect of process conditions and the kinetic modeling. Chemical Engineering Communications, 206 (12). pp. 1645-1660. ISSN 0098-6445 (print); 1563-5201 (online). (Published)
Hong, Chi Shein and Lau Cindy, Chin Yee and Leong, Chun Yi and Chua, Gek Kee and Chin, S. Y. (2018) A comparison of entrapped and covalently bonded laccase: Study of its leakage, reusability, and the catalytic efficiency in TEMPO-mediated glycerol oxidation. Biocatalysis and Biotransformation, 36 (5). pp. 352-361. ISSN 1024-2422 (Print); 1029-2446 (Online). (Published)
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Lim, Swee Lu and Ng, Hon Wei and Akwiditya, Made Angga and Ooi, Chien Wei and Chan, Eng-Seng and Ho, Kok Lian and Tan, Wen Siang and Chua, Gek Kee and Tey, Beng Ti (2018) Single-step purification of recombinant hepatitis B core antigen Y132A dimer from clarified Escherichia coli feedstock using a packed bed anion exchange chromatography. Process Biochemistry, 69. pp. 208-215. ISSN 1359-5113. (Published)
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Mohammed, Nasir and Gupta, Arun and Beg, M. D. H. and Chua, Gek Kee and Mohd, Asim (2014) Laccase Application in Medium Density Fibreboard to prepare a Bio-composite. RSC Advances. ISSN 2046-2069. (Published)
M., Nasir and Gupta, Arun and Beg, M. D. H. and Chua, Gek Kee and A., Kumar (2014) Physical and Mechanical Properties of Mediumdensity Fibreboards Using Soy-Lignin Adhesives. Journal of Tropical Forest Science, 26 (1). pp. 41-49. (Published)
Mohammad, Nasir and Gupta, Arun and Beg, M. D. H. and Chua, Gek Kee and Jawaid, Mohammad and Kumar, Anuj and Ahmed Khan, Tanveer (2013) Fabricating Eco-friendly Binderless Fiberboard from Laccase-treated Rubber Wood Fiber. BioResources, 8 (3). pp. 3599-3608. ISSN 1930-2126 (print); 1930-2126 (online). (Published)
Mohammed, Nasir and Gupta, Arun and Beg, M. D. H. and Chua, Gek Kee and Kumar, Anuj (2013) Fabrication of Medium Density Fibreboard from Enzyme Treated Rubber Wood (Hevea brasiliensis) Fibre and Modified Organosolv Lignin. International Journal of Adhesion & Adhesives, 44. pp. 99-104. ISSN 0143-7496. (Published)
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Noralia, Mohd Alias and Chua, Gek Kee and Chew, Few Ne and Noraziah, Abu Yazid and Rozaimi, Abu Samah and Siti Hatijah, Mortan (2023) Effect of temperature and fermentation time on protease production using decapterus macarellus fish waste. Malaysian Applied Biology, 52 (4). 27 -34. ISSN 0126-8643. (Published)
Ng, Hon Wei and Lee, Micky Fu Xiang and Chua, Gek Kee and Gan, Bee Koon and Tan, Wen Siang and Ooi, Chien Wei and Tang, Siah Ying and Chan, Eng Seng and Tey, Beng Ti (2018) Size‐selective purification of hepatitis B virus‐like particle in flow‐through chromatography: types of ion exchange adsorbent and grafted polymer architecture. Journal of Separation Science, 41 (10). pp. 2119-2129. ISSN 1615-9306. (Published)
Ng, Hon Wei and Lee, Micky Fu Xiang and Chua, Gek Kee and Gan, Bee Koon and Tan, Wen Siang and Ooi, Chien Wei and Tang, Siah Ying and Chan, Eng Seng and Tey, Beng Ti (2018) Size-selective purification of hepatitis B virus-like particle in flow-through chromatography: Types of ion exchange adsorbent and grafted polymer architecture. Journal of Separation Science, 41 (10). pp. 2119-2129. ISSN 1615-9314. (Published)
Nuruldiyanah, Kamarudin and Sharma, Swati and Chua, Gek Kee and Syed Mohd Saufi, Tuan Chik and Ritu, Gupta (2017) Statistical Investigation of Extraction Parameters of Keratin from Chicken Feather using Design-Expert. 3 Biotech, 7 (127). pp. 1-9. ISSN 2190-572X (print); 2190-5738 (online). (Published)
Nor Shahirah, Mohd Nasir and Jolius, Gimbun and Sook, Fun Pang and Rossyuhaida, Mohd Zakria and Cheng, C. K. and Chua, Gek Kee and Mohd Fazli, Farida Asras (2015) Influence of Nutrient Addition on the Bioethanol Yield from Oil Palm Trunk Sap Fermented by Saccharomyces Cerevisiae. Journal of Industrial and Engineering Chemistry, 23. pp. 213-217. ISSN 1226-086X. (Published)
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Reddy, Chilakamarry Chaitanya and Khilji, Irshad Ahamad and Gupta, Arun and Bhuyar, P. and Mahmood, Syed and AL-japairai, Khater Ahmed Saeed and Chua, Gek Kee (2021) Valorization of keratin waste biomass and its potential applications. Journal of Water Process Engineering, 40 (101707). pp. 1-14. ISSN 2214-7144. (Published)
Rossyuhaida, Mohd Zakria and Jolius, Gimbun and Mohd Fazli, Farida Asras and Chua, Gek Kee (2017) Magnesium Sulphate and β-Alanine Enhanced the Ability of Kluyveromyces marxianus Producing Bioethanol Using Oil Palm Trunk Sap. Biofuels, 8 (5). pp. 595-603. ISSN 1759-7269 (Print); 1759-7277 (Online). (Published)
Rossyuhaida, Mohd Zakria and Chua, Gek Kee and Jolius, Gimbun and Nor Shahirah, Mohd Nasir and Sook, Fun Pang and Mohd Fazli, Farida Asras and Cheng, C. K. and Ahmad Ziad, Sulaiman (2015) Optimisation of Bioethanol Yield from Oil Palm Trunk Sap. In: Proceeding Book Mucet 2014 : Engineering & Technology. Universiti Teknikal Malaysia Melaka (UTeM), Melaka, pp. 340-346. ISBN 978-967-0257-53-2
Rossyuhaida, Mohd Zakria and Chua, Gek Kee and Jolius, Gimbun and Nor Shahirah, Mohd Nasir and Sook, Fun Pang and Mohd Fazli, Farida Asras and Ahmad Ziad, Sulaiman and Cheng, C. K. and Wan Asma, Ibrahim (2014) Optimisation of Oil Palm Trunk Sap Fermentation to Bioethanol. In: The 27th International Symposium on Chemical Engineering (ISCHE 2014) , 5-7 December 2014 , Putra World Trade Centre (PWTC), Kuala Lumpur. . (Unpublished) (Unpublished)
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Sharma, Swati and Kumar, Ashok and Chua, Gek Kee and Kamyab, Hesam and Syed Mohd Saufi, Tuan Chik (2018) An efficient conversion of waste feather keratin into ecofriendly bioplastic film. Clean Technologies and Environmental Policy, 20 (10). pp. 2157-2167. ISSN 1618-954X. (Published)
Sharma, Swati and Gupta, Arun and Syed Mohd Saufi, Tuan Chik and Chua, Gek Kee and Mistry, Bhupendra M. and Kim, Doo H. and Sharma, Gaurav (2017) Characterization of Keratin Microparticles from Feather Biomass with Potent Antioxidant and Anticancer Activities. International Journal of Biological Macromolecules, 104. pp. 189-196. ISSN 0141-8130. (Published)
Sharma, Swati and Gupta, Arun and Syed Mohd Saufi, Tuan Chik and Chua, Gek Kee and Poddar, Pradeep Kumar (2017) Dissolution and Characterization of Biofunctional Keratin Particles Extracted from Chicken Feathers. IOP Conference Series: Materials Science and Engineering, 191 (1). pp. 1-5. ISSN 1757-8981 (Print), 1757-899X (Online). (Published)
Swati, Sharma and Gupta, Arun and Syed Mohd Saufi, Tuan Chik and Chua, Gek Kee and Praddep, Kumar Podder and Malini, Subramaniam and Jayshree, Thraisingam (2017) Study of Different Treatment Methods on Chicken Feather Biomass. IIUM Engineering Journal, 18 (2). pp. 47-55. ISSN 2289-7860. (Published)
Sharma, Swati and Gupta, Arun and Syed Mohd Saufi, Tuan Chik and Chua, Gek Kee and Pradeep Kumar , Podde and Jayshree , Thraisingam and Malini, Subramaniam (2016) Extraction and Characterization of Keratin from Chicken Feather Waste Biomass: A study. In: Proceedings of The National Conference for Postgraduate Research (NCON-PGR 2016) , 24-25 September 2016 , Universiti Malaysia Pahang (UMP), Pekan, Pahang. pp. 693-699.. (Published)
Santhana, Krishnan and Zularisam, A. W. and Chua, Gek Kee and Chew, Few Ne and Mimi Sakinah, A. M. (2015) Optimization of Monoclonal Antibodies Purification Expressed in H-192 cells using Preparative Native-Polyacrylamide Gel Electrophoresis. Journal Of Biochemistry, Microbiology and Biotechnology , 3 (1). pp. 21-25. ISSN 2289-5779. (Published)
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Tan, Yong Jie and Junaidi, Zakaria and Shahril, Mohamad and Chua, Gek Kee and Nurshahqifah, Latif and Mohd Hairul, Ab. Rahim (2023) Isolation and identification of acetobacter tropicalis from selected Malaysian local fruits for potential BC production. Malaysian Applied Biology, 52 (4). 133 -143. ISSN 0126-8643. (Published)
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Wun, Wee Long and Chua, Gek Kee and Chin, S. Y. and N., Zainol (2019) Kinetic study of palm oil mill effluent (POME) treatment by activated sludge. Journal of Chemical Engineering and Industrial Biotechnology (JCEIB), 5 (5). pp. 48-56. ISSN 0126-8139. (Published)
Wun, Wee Long and Chua, Gek Kee and Chin, S. Y. (2017) Effect of Palm Oil Mill Effluent (POME) Treatment by Activated Sludge. Journal CleanWAS, 1. pp. 6-9. ISSN 2521-0912. (Published)
Wun, Wee Long and Tan, See Ying and Chua, Gek Kee and Chin, S. Y. and N., Zainol (2014) Kinetic study of microalgae biomass growth for tertiary treatment of palm oil mill effluent (POME). In: 27th Symposium of Malaysian Chemical Engineers (SOMChE 2014) in conjunction with the 21st Regional Symposium on Chemical Engineering (RSCE 2014) , 29-30 October 2014 , Taylor’s University Lakeside Campus, Selangor Darul Ehsan, Malaysia.. pp. 1-14., 1. (Published)
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Yeo, Wee Kiat and Mira Sabriena, Misri and Chua, Gek Kee and Jailani, Salihon and M. M., Yusoff and Mohd Hasbi, Ab. Rahim and Natanamurugaraj, Govindan (2014) Studies on the Effect of Different Light Intensity and CO2 Concentration Towards Chlorella sp. Growth Using Palm Oil Effluent (POME). In: Proceedings of the 2nd International Conference on Green Technology & Ecosystem for Global Sustainable Development (ICGTec 2014) , 24-25 November 2014 , Putrajaya. . (Published)