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Abstract:
Tungsten disulfide (WS2) nanosheets were discovered to possess intrinsic peroxidase-like activity and catalyze the peroxidase substrate 3,3',5,5'-tetramethylbenzidine (TMB) to produce a color reaction in the presence of H2O2. Based on this finding, a colorimetric method and a portable test kit for the visual detection of blood glucose have been developed by using glucose oxidase (GOx) and WS2 nanosheets-catalyzed reactions. The linear range for glucose was ranged from 5 to 300 mu M (R-2 = 0.999) with the detection limit of 2.9 mu M. The portable test kit was successfully evaluated glucose levels in serum samples from normal persons and diabetes persons by the observable color change from pale yellow to yellow-green, blue-green. (C) 2014 Elsevier B.V. All rights reserved.
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BIOSENSORS & BIOELECTRONICS
ISSN: 0956-5663
Year: 2014
Volume: 62
Page: 302-307
6 . 4 0 9
JCR@2014
1 0 . 7 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:268
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 192
SCOPUS Cited Count: 198
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
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