Published in
Elsevier, Sensors and Actuators B: Chemical, (183), p. 518-525, 2013
DOI: 10.1016/j.snb.2013.04.005
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A new rhodamine-coumarin Cu2+-selective colorimetric and ‘off–on’ fluorescence probe for effective use in chemistry and bioimaging along with its bound X-ray crystal structure
Journal article published in 2013 by
Shyamaprosad Goswami,
Debabrata Sen,
Avijit Kumar Das,
Nirmal Kumar Das,
Krishnendu Aich,
Hoong-Kun Fun 
,
Ching Kheng Quah,
Anup Kumar Maity,
Partha Saha
,
Ching Kheng Quah,
Anup Kumar Maity,
Partha Saha
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Abstract
A new coumarin containing rhodamine architecture has been synthesized for selective and chromogenicdetection of Cu2+in aqueous media. Cu2+induced spirocyclic ring opening of the rhodamine dye hasbeen demonstrated by single crystal X-ray structures of the fluorescence probe as well as its boundCu2+-complex. It is also promising as a Cu2+-selective sensor in the fluorescence imaging of living cells.