Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 165, Issue 1, Pages 44-47Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.02.002
Keywords
3,3 ',5,5 ',-Tetramethylbenzidine; Colorimetric detection; Ag+ ion; UV-vis; Lake water
Funding
- National Basic Research Program of China [2011CB935800]
- National Natural Science Foundation of China [21175129]
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In this paper, we report on our recent finding that Ag+ can oxidize 3,3',5,5',-tetramethylbenzidine (TMB) to develop a blue color in aqueous solution, leading to a simple approach to colorimetric detection of Ag+ with a detection limit of 50 nM. Most importantly, we demonstrate its practical application to detect Ag+ in real sample. (C) 2012 Elsevier B.V. All rights reserved.
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