期刊
ANALYTICAL METHODS
卷 4, 期 7, 页码 1906-1908出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ay25226k
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资金
- West Bengal Council of Science and Technology
- CSIR, New Delhi
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 x 10(-7) M Al3+ with a binding constant value of 5.4 x 10(4)M(-1). Al3+ contaminated cells became green in the presence of L making it suitable for intracellular Al3+ detection.
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