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자료유형
학술저널
저자정보
Rahman, Siti Fauziyah (Interdisciplinary Program of Graduate School for Bioenergy and Biomaterials, Chonnam National University) Gobikhrisnan, Siramulu (Department of Bioscience and Technology, Karunya University) Gozan, Misri (Bioprocess Engineering Research Group, Chemical Engineering Department, Faculty of Engineering, Universitas Indonesia) Jong, Gwi Taek (Department of Biotechnology and Bioengineering, Pukyong National University) Park, Don-Hee (Department of Biotechnology and Bioengineering, Chonnam National University)
저널정보
한국화학공학회 화학공학 화학공학 제54권 제6호
발행연도
2016.1
수록면
817 - 821 (5page)

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Levodopa or L-3,4-dihydroxyphenylalanine (L-DOPA) is the direct precursor of the neurotransmitter dopamine. L-DOPA is a well-known neuroprotective agent for the treatment of Parkinson's disease symptoms. L-DOPA was synthesized using the enzyme, tyrosinase, as a biocatalyst for the conversion of L-tyrosine to L-DOPA and an electrochemical method for reducing L-DOPAquinone, the product resulting from enzymatic synthesis, to L-DOPA. In this study, three electrode systems were used: A glassy carbon electrode (GCE) as working electrode, a platinum, and a Ag/AgCl electrode as auxiliary and reference electrodes, respectively. GCE has been modified using electropolymerization of pyrrole to facilitate the electron transfer process and immobilize tyrosinase. Optimum conditions for the electropolymerization modified electrode were a temperature of $30^{\circ}C$ and a pH of 7 producing L-DOPA concentration 0.315 mM. After 40 days, the relative activity of an enzyme for electropolymerization remained 38.6%, respectively.

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