Characterization of a planar l-glutamate amperometric biosensor immobilized with a photo-crosslinkable polymer membrane

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標題:	Characterization of a planar l-glutamate amperometric biosensor immobilized with a photo-crosslinkable polymer membrane
作者:	Ku-Shang Chang Chen-Kai Chang Su-Fen Chou Hsei-Chen Han Chien-Yuan Chen
貢獻者:	食品科技系生物科技系
關鍵字:	PVA-SbQ Planar electrode Biosensor Shelf-life l-Glutamate
日期:	2007-03
上傳時間:	2010-01-15 10:18:48 (UTC+8)
出版者:	Elsevier
摘要:	A photo-crosslinkable polymer mixed with bovine serum albumin was adapted to fabricate an amperometric planar l-glutamate biosensor. The characteristics of this amperometric biosensor during aging of the membrane, its reproducibility and the effects of storage conditions on the long-term stability of the biosensor were studied. The steady-state method (R.S.D. = 3.69%) was more appropriate than the kinetic method (R.S.D. = 7.70%) for measuring the concentration monosodium glutamate. The l-glutamate amperometric biosensor exhibited remarkable long-term stability (150 days) when maintained in a dry dark state. Most of the functional characteristics of the biosensor were restored within 5 min (wet-up times) of repeated wetting and drying. The long-term stability and short wet-up times of the electrode suggests its suitability for use in the design of real time or flow injection biosensors.
關聯:	Sensors and Actuators B: Chemical 122(1)： p.195-203
显示于类别:	[生物科技系(所)] 期刊論文 [ 食品科技系 ] 期刊論文

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