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Reference type: Journal
Authors: Liu JX, Chen H, Lin Z, Lin JM
Article Title: Preparation of Surface Imprinting Polymer Capped Mn-Doped ZnS Quantum Dots and Their Application for Chemiluminescence Detection of 4-Nitrophenol in Tap Water.
Publication date: 2010
Journal: Analytical Chemistry
Volume: 82
Issue: (17)
Page numbers: 7380-7386.
DOI: 10.1021/ac101510b

Abstract: In this paper, Mn-doped ZnS quantum dots (QDs) capped by a molecularly imprinted polymer (MIP) were synthesized. The results showed a high selectivity of the MIP-capped Mn-doped ZnS QDs toward the template molecule (4-nitrophenol) by QD fluorescence quenching. The application of MIP-capped Mn-doped ZnS QDs to the chemiluminescence (CL) system was also studied using a KIO4-H2O2 system. This application combines the good selectivity of MIP with the high sensitivity of CL. The linear range of this CL system is from 0.1 to 40 μM, and the detection limit (DL) for 4-nitrophenol in the water can reach 76 nM. The method was also used in the real water samples, and the recoveries can fall in the range of 91 - 96%
Template and target information: 4-nitrophenol


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