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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/3738

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
RAMANUJAM, B
MARIAPPANADAR, V
RAO, CP
Keywords: 2-photon microscopy
intracellular zinc
divalent zinc
neuronal zinc
chemosensor
design
copper
complexes
emission
zn(ii)
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.
URI: http://dx.doi.org/10.1021/ol061274f
http://dspace.library.iitb.ac.in/xmlui/handle/10054/3738
http://hdl.handle.net/10054/3738
ISSN: 1523-7060
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