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Reference type: Journal
Authors: Xu SF, Lu HZ
Article Title: Mesoporous structured MIPs@CDs fluorescence sensor for highly sensitive detection of TNT.
Publication date: 2016
Journal: Biosensors and Bioelectronics
Volume: 85
Page numbers: 950-956.
DOI: 10.1016/j.bios.2016.06.020
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0956566316305516

Abstract: A facile strategy was developed to prepare mesoporous structured molecularly imprinted polymers capped carbon dots (M-MIPs@CDs) fluorescence sensor for highly sensitive and selective determination of TNT. The strategy using amino-CDs directly as "functional monomer" for imprinting simplify the imprinting process and provide well recognition sites accessibility. The as-prepared M-MIPs@CDs sensor, using periodic mesoporous silica as imprinting matrix, and amino-CDs directly as "functional monomer", exhibited excellent selectivity and sensitivity toward TNT with detection limit of 17 nM. The recycling process was sustainable for 10 times without obvious efficiency decrease. The feasibility of the developed method in real samples was successfully evaluated through the analysis of TNT in soil and water samples with satisfactory recoveries of 88.6-95.7%. The method proposed in this work was proved to be a convenient and practical way to prepare high sensitive and selective fluorescence MIPs@CDs sensors
Template and target information: 2,4,6-trinitrotoluene, TNT
Author keywords: Molecularly imprinted polymers, Carbon dots, mesoporous silica, TNT

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