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Title: | Kajian Biosensor Berbasis Enzim Sebagai Bioreseptor Pendeteksi Antioksidan |
Other Titles: | Literature Review on Enzyme Based Biosensors as Bioreceptors of Antioxidant Detection |
Authors: | Iswantini, Dyah Purwaningsih, Henny Fathia, Aura |
Issue Date: | 2022 |
Publisher: | IPB University |
Abstract: | Evaluasi kandungan total antioksidan dalam suatu sampel dapat dilakukan
melalui reaksi oksidasi-reduksi senyawa polifenol sebagai penyusun utama struktur
antioksidan dengan menggunakan biosensor. Studi literatur ini bertujuan
mempelajari kinerja enzim tirosinase dan lakase sebagai bioreseptor serta
mempelajari kinerja biosensor pendeteksi antioksidan berbasis monoenzim dan
multienzim. Berbagai teknik imobilisasi enzim seperti adsorpsi, pemerangkapan,
ikatan silang, dan ikatan kovalen dapat digunakan untuk meningkatkan kinerja
biosensor. Keberhasilan imobilisasi enzim pada permukaan elektrode termodifikasi
ditunjukkan pada karakterisasi melalui mikroskopi payaran elektron, dan
voltammetri siklik. Contoh aplikasi biosensor sebagai pendeteksi antioksidan
antara lain deteksi fenol, asam klorogenat, asam kafeat, katekol, hidrokuinon, dan
asam rosmarinat Evaluation of the total antioxidant content in a sample can be done through an oxidation-reduction reaction of polyphenolic compounds as the main constituent of antioxidant structures using biosensors. This literature study aims to study the performance of tyrosinase and laccase enzymes as bioreceptors and to study the performance of monoenzyme and multienzyme-based antioxidant detection biosensors. Various enzyme immobilization techniques such as adsorption, trapping, cross-linking, and covalent bonding can be used to improve the performance of the biosensor. The success of enzyme immobilization on the surface of the modified electrode was demonstrated by characterization by scanning electron microscopyand cyclic voltammetry. Biosensor application as antioxidant detectors, for instance detection of phenol, chlorogenic acid, caffeic acid, catechol, hydroquinone, and rosmarinic acid |
URI: | http://repository.ipb.ac.id/handle/123456789/115361 |
Appears in Collections: | UT - Chemistry |
Files in This Item:
File | Description | Size | Format | |
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Cover.pdf Restricted Access | Cover | 196.35 kB | Adobe PDF | View/Open |
Aura Fathia_G44180039..pdf Restricted Access | Fullteks | 4.3 MB | Adobe PDF | View/Open |
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