Please use this identifier to cite or link to this item:
Title: Determination of urotropine using cucurbit[7]uril-palmatine complex as a highly sensitive fluorescent probe
Authors: Zhang, Chenxuan
Du, Liming
Keywords: Analytical chemistry;Fluorescent probes;Urotropine;Cucurbit[7]uril;Palmatine;Competitive inclusion
Issue Date: Nov-2017
Publisher: NISCAIR-CSIR, India
Abstract: A new method for sensitive and selective determination of urotropine has been developed using the cucurbit[7]uril-palmatine complex as a fluorescent probe. The complex exhibits high fluorescence in aqueous solution, which is quenched in the presence of urotropine. The fluorescence quenching value, F, is directly proportional to the concentration of urotropine in the range of 0.004–1.26 μg mL−1, with detection limit as sensitive as 0.0013 μg mL−1. The proposed method has been successfully applied to determine urotropine in food samples with good precision and accuracy. The stoichiometry and binding affinity as well as the nature of the binding behavior are determined using spectrofluorimetry, 1H NMR and molecular modeling theoretical calculations.
Page(s): 1161-1165
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.56A(11) [November 2017]

Files in This Item:
File Description SizeFormat 
IJCA 56A(11) 1161-1165.pdf566.08 kBAdobe PDFView/Open

Items in NOPR are protected by copyright, with all rights reserved, unless otherwise indicated.