Construction and characterization of phenol-based sensor derived from colloidal chemistry
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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. 2009 Elsevier B.V. All rights reserved.
SENSORS AND ACTUATORS B-CHEMICAL
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Bashir, Sajid||Liu, Jingbo L