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Issue 7, 2012
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An Al3+ induced green luminescent fluorescent probe for cell imaging and naked eye detection

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Abstract

A novel pyrimidine based Al3+ selective fluorescent probe (L) has been synthesised by a facile one step coupling of 4,5-diamino pyrimidine with 2-hydroxy naphthaldehyde. L has been obtained in pure crystalline form without any column chromatographic purification. Upon binding Al3+, the single emission band of L undergoes red shift from 470 nm to dual emission peaks viz. 505 nm and 538 nm with appearance of a very intense green luminescence. L could detect as low as 2.9 × 10−7 M Al3+ with a binding constant value of 5.4 × 104 M−1. Al3+ contaminated cells became green in the presence of L making it suitable for intracellular Al3+ detection.

Graphical abstract: An Al3+ induced green luminescent fluorescent probe for cell imaging and naked eye detection

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Publication details

The article was received on 05 Mar 2012, accepted on 29 Apr 2012 and first published on 30 Apr 2012


Article type: Communication
DOI: 10.1039/C2AY25226K
Citation: Anal. Methods, 2012,4, 1906-1908
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    An Al3+ induced green luminescent fluorescent probe for cell imaging and naked eye detection

    D. Karak, S. Lohar, A. Sahana, S. Guha, A. Banerjee and D. Das, Anal. Methods, 2012, 4, 1906
    DOI: 10.1039/C2AY25226K

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