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Reference type: Journal
Authors: Chen BS, Chong DCY, Cheng XM, Liu B, Lil SFY
Article Title: Surface plasmon resonance sensor for detection of parathion methyl in water.
Publication date: 2017
Journal: Malaysian Journal of Analytical Sciences
Volume: 21
Issue: (6)
Page numbers: 1373-1379.
DOI: 10.17576/mjas-2017-2106-19
Alternative URL: http://www.ukm.my/mjas/v21_n6/pdf/Chen_21_6_19.pdf

Abstract: A surface plasmon resonance (SPR) sensor based on molecularly imprinted polymer (MIP) was developed for fast detection of chemical threat agents (CTAs) in water. A portable SPR platform provided a very compact-size (L* W* H of 8.5* 4.5* 4.5 inch) system and the SPR sensor chip was fabricated by a facile process with an inexpensive coating of silver as the SPR material, making possible the sensor chip as a disposal sensor. Using methyl parathion as the simulant of CTA, the developed SPR sensor with the recognition site showed apparent SPR signal than Non-imprinted polymer (NIP) counterpart, suggesting the excellent recognition of the targeted molecules. It also provided a fast responding within 5 minutes with the limit of detection of sub-ppm level.
Template and target information: parathion methyl, chemical threat agents, CTAs
Author keywords: molecularly imprinted polymer, surface plasmon resonance, organophosphorus pesticide, chemical threat agents


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