Molecularly Imprinted Fluorescent Hollow Nanoparticles as Sensors for Rapid and Efficient Detection λ-Cyhalothrin in Environmental Water

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Molecularly Imprinted Fluorescent Hollow Nanoparticles as Sensors for Rapid and Efficient Detection λ-Cyhalothrin in Environmental Water

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Publication Article, peer reviewed scientific
Title Molecularly Imprinted Fluorescent Hollow Nanoparticles as Sensors for Rapid and Efficient Detection λ-Cyhalothrin in Environmental Water
Author Wang, Jixiang ; Qiu, Hao ; Shen, Hongqiang ; Pan, Jianming ; Dai, Xiaohui ; Yan, Yongsheng ; Pan, Guoqing ; Sellergren, Börje
Research Centre Biofilms - Research Center for Biointerfaces
Date 2016
English abstract
Molecularly imprinted fluorescent polymers have shown great promise in biological or chemical separations and detections, due to their high stability, selectivity and sensitivity. In this work, molecularly imprinted fluorescent hollow nanoparticles, which could rapidly and efficiently detect λ-cyhalothrin (a toxic insecticide) in water samples, was reported. The molecularly imprinted fluorescent sensor showed excellent sensitivity (the limit of detection low to 10.26 nM), rapid detection rate (quantitative detection of λ-cyhalothrin within 8 min), regeneration ability (maintaining good fluorescence properties after 8 cycling operation) and appreciable selectivity over several structural analogues. Moreover, the fluorescent sensor was further used to detect λ-cyhalothrin in real samples form the Beijing-Hangzhou Grand Canal Water. Despite the relatively complex components of the environmental water, the molecularly imprinted fluorescent hollow nanosensor still showed good recovery, clearly demonstrating the potential value of this smart sensor nanomaterial in environmental monitoring.
DOI https://doi.org/10.1016/j.bios.2016.05.041 (link to publisher's fulltext.)
Publisher Elsevier
Host/Issue Biosensors & Bioelectronics;
Volume 85
ISSN 0956-5663
Pages 387-394
Language eng (iso)
Subject Molecularly imprinted polymers
Hollow
Fluorescent sensor λ-cyhalothrin
Real water sample
Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/24212 Permalink to this page
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