Optical and electrical nano eco-sensors using alternative deposition of charged layer |
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Authors: | Syed Rahin AHMED Seong Cheol HONG Jaebeom LEE |
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Affiliation: | Department of Nanomedical Engineering, College of Nanoscience and Nanoengineering, Pusan National University, Miryang, 627-709, Korea |
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Abstract: | This review focuses on layer by layer (LBL) assembly-based nano ecological sensor (hereafter, eco-sensor) for pesticide detection, which is one of the most versatile methods. The effects of pesticides on human health and on the environment (air, water, soil, plants, and animals) are of great concern due to their increasing use. We highlight two of the most popular detecting methods, i.e., fluorescence and electrochemical detection of pesticides on an LBL assembly. Fluorescence materials are of great interest among researchers for their sensitivity and reliable detection, and electrochemical processes allow us to investigate synergistic interactions among film components through charge transfer mechanisms in LBL film at the molecular level. Then, we noted some prospective directions for development of different types of sensing systems. |
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Keywords: | pesticides fluorescence electrochemistry layer by layer (LBL) |
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