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|Title: ||Carbohydrate-based switch-on molecular sensor for Cu(II) in buffer: Absorption and fluorescence study of the selective recognition of Cu(II) ions by galactosyl derivatives in HEPES buffer|
|Authors: ||SINGHAL, NK|
|Keywords: ||2-photon microscopy|
|Issue Date: ||2006|
|Publisher: ||AMER CHEMICAL SOC|
|Citation: ||ORGANIC LETTERS, 8(16), 3525-3528|
|Abstract: ||1-(beta-D-Galactopyranosyl-1'-deoxy-1'-iminomethyl)-2-hydroxynaphthalene (L-1), possessing an ONO binding core, was found to be selective for Cu2+ ions in N-[2-hydroxyethyl] piperazine-N'-[2-ethanesulfonic acid] buffer, at concentrations <= 580 ppb, at physiological pH by eliciting switch-on behavior, whereas the other ions, viz., Mg2+, Ca2+, Mn2+, Fe2+, Co2+, Ni2+, Zn2+, and Cd2+, caused no significant change in the fluorescence. Whereas the binding characteristics were ascertained by absorption spectroscopy, the species formed were shown by Q-TOF ES MS.|
|Appears in Collections:||Article|
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