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A chemosensor showing discriminating fluorescent response for highly selective and nanomolar detection of Cu2+ and Zn2+ and its application in molecular logic gate

Fegade, Umesh A. ; Sahoo, Suban K. ; Singh, Amanpreet ; Singh, Narinder ; Attarde, Sanjay B. ; Kuwar, Anil S.

Analytica chimica acta, 2015-05, Vol.872, p.63-69 [Periódico revisado por pares]

Netherlands: Elsevier B.V

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Título:
A chemosensor showing discriminating fluorescent response for highly selective and nanomolar detection of Cu2+ and Zn2+ and its application in molecular logic gate
Autor: Fegade, Umesh A. ; Sahoo, Suban K. ; Singh, Amanpreet ; Singh, Narinder ; Attarde, Sanjay B. ; Kuwar, Anil S.
Assuntos: Cation sensing ; Copper - analysis ; Cu2 ; Ethylamines - chemical synthesis ; Ethylamines - chemistry ; Fluorescence ; Fluorescent Dyes - chemical synthesis ; Fluorescent Dyes - chemistry ; Logic ; Molecular logic gate ; Molecular Structure ; Nanomolar detection ; Pyrazoles - chemical synthesis ; Pyrazoles - chemistry ; Quantum Theory ; Spectrometry, Fluorescence ; Spectrophotometry, Ultraviolet ; Zinc - analysis ; Zn2
É parte de: Analytica chimica acta, 2015-05, Vol.872, p.63-69
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: [Display omitted] •Receptor 3 was developed by condensation reaction.•Highly selective and sensitive detection of Cu2+ and Zn2+ in semi-aqueous system.•The detection limit of 5nM and 15nM for Cu2+ and Zn2+ ions, respectively.•Receptor 3 application in INHIBIT type logic gate. A fluorescent based receptor (4Z)-4-(4-diethylamino)-2-hydroxybenzylidene amino)-1,2dihydro-1,5-dimethyl-2-phenylpyrazol-3-one (receptor 3) was developed for the highly selective and sensitive detection of Cu2+ and Zn2+ in semi-aqueous system. The fluorescence of receptor 3 was enhanced and quenched, respectively, with the addition of Zn2+ and Cu2+ ions over other surveyed cations. The receptor formed host-guest complexes in 1:1 stoichiometry with the detection limit of 5nM and 15nM for Cu2+ and Zn2+ ions, respectively. Further, we have effectively utilized the two metal ions (Cu2+ and Zn2+) as chemical inputs for the manufacture of INHIBIT type logic gate at molecular level using the fluorescence responses of receptor 3 at 450nm.
Editor: Netherlands: Elsevier B.V
Idioma: Inglês

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A chemosensor showing discriminating fluorescent response for highly selective and nanomolar detection of Cu2+ and Zn2+ and its application in molecular logic gate

Fegade, Umesh A. ; Sahoo, Suban K. ; Singh, Amanpreet ; Singh, Narinder ; Attarde, Sanjay B. ; Kuwar, Anil S.

Netherlands: Elsevier B.V

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