Journal
ANALYST
Volume 138, Issue 16, Pages 4593-4598Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3an00067b
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Funding
- DST
- CSIR (Govt. of India)
- CSIR
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A new naked-eye and ratiometric fluorescent zinc sensor (TAQ) of carboxamidoquinoline with 2-chloro-N-(quinol-8-yl)-acetamide as a receptor was designed and synthesized. The sensor TAQ shows good water solubility and high selectivity for sensing; about a 15-fold increase in fluorescence quantum yield and a 100 nm red-shift of fluorescence emission upon binding Zn2+ in aqueous HEPES buffer solution are observed. The human lung cancer cell line (A549) activity is also demonstrated.
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