Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 9, Issue 15, Pages 5523-5529Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ob05479a
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Funding
- West Bengal Council of Science and Technolgy (DST, Govt. of West Bengal)
- CSIR
- UGC, New Delhi
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An efficient fluorescent Al3+ receptor, N-(2-hydroxy-1-naphthalene)-N'-(2-(2-hydroxy-1-naphthalene)amino- ethyl)-ethane-1,2-diamine (L) has been synthesized by the condensation reaction between 2-hydroxy naphthaldehyde and diethylenetriamine. High selectivity and affinity of L towards Al3+ in ethanol (EtOH) as well as in HEPES buffer at pH 7.4, makes it suitable to detect intracellular Al3+ with fluorescence microscopy. Metal ions, viz. Li+, Na+, K+, Mg2+, Ca2+, Mn2+, Co2+, Ni2+, Cu2+, Zn2+, Ag+, Cd2+, Hg2+ and Pb2+ do not interfere. The lowest detection limit for Al3+ is 3.0 x 10(-7) M and 1.0 x 10(-7) M in EtOH and HEPES buffer respectively.
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