Professor
B.Sc.(Hons.), M.Sc., Universiti Sains Malaysia
Ext. 4013; amirul@usm.my
Biotechnology and Microbiology
Research Profile
Production of microbial biopmerolys
- Screening of new isolates of PHA producers especially P4HB and P3HB-co-4HB producers.
- Production and optimization of PHA fermentation in a 2 liter, 10 liter and 100 liter stirred fermenters.
Production and application of amylolitic and PHA depolymerase enzymes
- Screening of new isolates of PHA depylomerase enzyme.
- Production and optimization of amylolitic enzymes such as glucoamylase and PHA depolymerase enzymes.
- Immobilization and application of glucoamylase enzymes.
Current Research
- Production of microbial biopolymers such as P3HB, P4HB and P3HB-co-4HB.
- Production and application of amylolitic and PHA depolymerase enzymes.
Selected Publications
- Azizan, M.N., A.A Amirul, S.L Khoo, N. Najimudin and R. Samian. 1996. Purification and properties of two forms of glucoamylase from Aspergillus niger. Folia Microbiologica 41: 165 - 174.
- Khoo, S.L., A.A. Amirul, M. Kamaruzaman, N. Nazalan and M.N. Azizan. 1994. Characterisation and purifi cation of aamylase from Aspergillus fl avus. Folia Microbiologica 39: 392 – 398.
- Azizan, M.N, A.A. Amirul, S.L Khoo, N. Najimudin and R. Samian .1993. Amylolytic activity of Aspergillus niger van Tieghem: Effect of carbon and nitrogen sources on enzyme production. J. Bioscience 4: 1 – 11.
- Azizan, M.N, A.A. Amirul, O.C. Chow and C.M. Ley .1991. Penggunaan sisa pengilangan kelapa sawit untuk penghasilan selulase oleh Aspergillus niger van Tieghem. J. Bioscience 2: 29 – 37.
