Construction and characterization of phenol-based sensor derived from colloidal chemistry

被引:6
作者
Bashir, Sajid [1 ]
Liu, Jingbo L. [1 ]
机构
[1] Texas A&I Univ, Dept Chem, Kingsville, TX 78363 USA
基金
美国国家科学基金会;
关键词
Phenol sensor; Morphology; Spectroscopy; Fabrication; Characterization; AMPEROMETRIC BIOSENSOR; IMMOBILIZED BACTERIA; INDOPHENOL FORMATION; PSEUDOMONAS-PUTIDA; MICROBIAL SENSORS; CELLS; ELECTRODES; WATER; TEMPERATURE; DERIVATIVES;
D O I
10.1016/j.snb.2009.02.072
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In this Study, three main objectives are sought: (a) construction of the biosensor by incorporation of a "capturing element" (consisting of alpha cyclodextrin on a sol-derived substrate) and a "detecting element" (consisting of 2,6-dichloro-quinonechloroimine and sodium hydroxide as buffer and electrolyte), (b) physical characterization of the sensor using spectroscopy and microscopy, and (c) sensor performance through electrochemical facility. Correspondingly, Raman spectroscopy and UV-vis spectroscopy have been applied as diagnostic tool to analyze guest-host interaction of the sol-derived phenol sensor. The goal of this study is the incorporation of both an electrochemical and colorimetric detecting elements. It is anticipated that this study provides a possibility of use of biosensor for "one chemical" dual-functional detection. We use this bi-functional detector in the identification of phenol. The detector is based upon sol-derived colloidal chemistry to produce detecting and sensing elements in which detection is colorimetric and also electrochemical in nature. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:584 / 591
页数:8
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