Journal
ANALYTICAL METHODS
Volume 6, Issue 11, Pages 3560-3563Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ay00431k
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Funding
- National Natural Science Foundation of China [20902082]
- Zhejiang Provincial Top Key Academic Discipline of Applied Chemistry and Eco-Dyeing & Finishing Engineering [ZYG2012004]
- New-shoot Talents Program of Zhejiang Province [2013R406030]
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A facile naphthalene-based Schiff base chemosensor, 1-((pyridin-2- ylmethylimino)methyl)naphthalen-2-ol (NS), has been designed and synthesized for selective detection of Zn2+ ions. A fluorescence enhancement of 10-fold at 446 nm can be realized upon addition of 5.0 equiv. of Zn2+ with excitation at 352 nm. NS could detect as low as 1.91 x 10(-6) M Zn2+ with an association constant value of 7.88 x 10(6) M-1. More importantly, it displayed specific and sensitive recognition to Zn2+ and especially avoided the interference of Cd2+ in aqueous solution.
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