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http://dx.doi.org/10.14478/ace.2018.1041

Study on Electrochemical Detection of Cyclodextrin-molecule Interactions for Sensor Applications  

Park, Minji (Department of Applied Chemistry, Dongduk Women's University)
Kim, Sooyeoun (Graduate School of Hygiene and Aesthetic, Dongduk Women's University)
Bae, Joonwon (Department of Applied Chemistry, Dongduk Women's University)
Publication Information
Applied Chemistry for Engineering / v.29, no.5, 2018 , pp. 519-523 More about this Journal
Abstract
Cyclodextrins are a class of oligosaccharides having an extremely low toxicity, so that they have been used for the formation of host-guest complexes and removal of toxic gases or molecules. In this study, the subtle phenomenon associated with the formation of host-guest complexes between cyclodextrin and toxic molecules (methyl paraben) was experimentally investigated. First, the formation of cyclodextrin-methyl paraben complexes was monitored by UV/Vis spectroscopy as a function of the cyclodextrin concentration. Secondly, the electrochemical measurement was performed with the surface engineered Au electrode having cyclodextrin molecules on the Au substrate. The sensing signal derived from the addition of methyl paraben solution into the Au surface was measured delicately. This study can be informative for future applications such as sensors.
Keywords
Cyclodextrin; Paraben; Host-Guest Complex; Charge Transfer; Electrode;
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