2014
DOI: 10.1021/ic500313m
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Differentially Selective Chemosensor with Fluorescence Off–On Responses on Cu2+ and Zn2+ Ions in Aqueous Media and Applications in Pyrophosphate Sensing, Live Cell Imaging, and Cytotoxicity

Abstract: A new benzoyl hydrazone based chemosensor R is synthesized by Schiff base condensation of 2,6-diformyl-4-methylphenol and phenyl carbohydrazide and acts as a highly selective fluorescence sensor for Cu(2+) and Zn(2+) ions in aqueous media. The reaction of R with CuCl2 or ZnCl2 forms the corresponding dimeric dicopper(II) [Cu2(R)(CH3O)(NO3)]2(CH3O)2 (R-Cu(2+)) and dizinc(II) [Zn2(R)2](NO3)2 (R-Zn(2+)) complexes, which are characterized, as R, by conventional techniques including single-crystal X-ray analysis. E… Show more

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Cited by 169 publications
(83 citation statements)
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“…[64][65][66][67][68] To the best of our knowledge, limited work has been carried out in the development of diformyl phenol based probes for selective colorimetric sensing of Cu 2+ and only two examples are there that represent quenching based detection of Cu 2+ (ESI Chart 1 †). 58,69 Furthermore, involvement of tautomeric equilibrium has not been explored till date.…”
Section: 59-62mentioning
confidence: 99%
“…[64][65][66][67][68] To the best of our knowledge, limited work has been carried out in the development of diformyl phenol based probes for selective colorimetric sensing of Cu 2+ and only two examples are there that represent quenching based detection of Cu 2+ (ESI Chart 1 †). 58,69 Furthermore, involvement of tautomeric equilibrium has not been explored till date.…”
Section: 59-62mentioning
confidence: 99%
“…图 1 PPi 荧光传感器 1 Figure 1 Fluorescent sensor for PPi based on compound 1 金属配合物作为阴离子比色、荧光传感器/体系, 具 有较高灵敏度和选择性、较短的响应时间等优势 [18,19] .…”
Section: P Ounclassified
“…In particular, Cu 2+ is the third most abundant essential trace element in the human body. Various redox processes, enzyme functions, and pigments are dependent on copper ions as cofactors [5][6][7]. However, excess concentration of Cu 2+ in the neuronal cytoplasm can cause Wilson and Menkes disease [8,9].…”
Section: Introductionmentioning
confidence: 99%