期刊
BIOSENSORS & BIOELECTRONICS
卷 85, 期 -, 页码 387-394出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.05.041
关键词
Molecularly imprinted polymers; Hollow; Fluorescent sensor; lambda-cyhalothrin; Real water sample
类别
资金
- National Natural Science Foundation of China [21574091, 21407064, 21407057, 21277063, 21204056, 21346004]
- National Postdoctoral Science Foundation [2013M530240]
- Postdoctoral Science Foundation funded Project of Jiangsu Province [1202002B]
- Programs of Senior Talent Foundation of Jiangsu University [12JDG090]
- Ph.D. Innovation Programs Foundation of Jiangsu Province [CXZZ13_0681]
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 lambda-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 lambda-cyhalothrin within 8 min), regeneration ability (maintaining good fluorescence properties after 8 cycling operation) and appreciable selectivity over several structural analogs. Moreover, the fluorescent sensor was further used to detect lambda-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. (C) 2016 Elsevier B.V. All rights reserved.
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