Journal
RSC ADVANCES
Volume 7, Issue 64, Pages 40563-40570Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra06687b
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Funding
- SERB, DST, India [SR/FT/CS-116/2010]
- CSIR, India [02/0186/14/EMR-II]
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We have developed a perimidine based simple and easily synthesised chemosensor, 1,3-bis(2,3-dihydro1H-perimidin-2-yl) benzene (1), which exhibits selective colorimetric and fluorescence turn off response toward nano molar Cu2+. This method allows a sensitive readout of chemosensor 1 within a wide linear range of (5-2771) x 10(-8) M at lambda(max) 346 nm, and with limit of detection (LOD) 6.19 x 10(-8) M. Moreover, 1 exhibits free radical scavenging ability, six times better than that of L-ascorbic acid. The binding interaction studies of 1 with calf-thymus DNA (CT-DNA) indicate a groove binding mode.
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