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Design, Synthesis and Application of Electro- and Optical Chemosensors for Zinc (Ⅱ) and Mercury (Ⅱ) Ions

Author: ShiLei
Tutor: LongYiTao
School: East China University of Science and Technology
Course: Applied Chemistry
Keywords: Fluorescent chemosensors Colorimetric chemosensors Electrochemistry Multi-channel sensor
CLC: TP212.2
Type: Master's thesis
Year: 2011
Downloads: 87
Quote: 0
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Abstract


Chemosensor that based on electrical signals or optical signals for the output signal, can detect specific molecules or ions selectively, is a probe with unique output signal, which is widely used in environmental monitoring and bio-medical testing. Chemosensors can be divided into electrochemical sensors, colorimetric chemosensors and fluorescent chemosensors.In this paper, we designed and synthesized three kinds of chemosensors for probing Zn+ and Hg2+ through observing the change of electrochemistry, color and fluorescence. They are including:1) a new chemosensor (FGFP) based on GFP analogue for probing Zn2+, FGFP can detect Zn2+in aqueous solution with excellent selectivity and high sensitivity; 2) a sensor (PGFP-1) based on GFP analogue with a pyridine group for detecting Zn2+and Hg2+ simultaneously; 3) a multi-channel chemosensor for Hg2+(Fc-Q).

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Chemical sensors
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