Carbohydrate assisted fluorescence turn-on gluco-imino-anthracenyl conjugate as a Hg(II) sensor in milk and blood serum milieu

Carbohydrate assisted fluorescence turn-on gluco-imino-anthracenyl conjugate as a Hg(II) sensor in milk and blood serum milieu

A new anthracenyl-imino-glucosyl conjugate (L) selectively senses Hg(2+) by turn-on fluorescence with a 13 ± 1 fold enhancement by forming a 2 : 1 complex in pH 5 to 10 even in the presence of several biologically and ecologically relevant metal ions, with a 25 ± 2% fluorescence enhancement at the E...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (9), p.2565-2567
Hauptverfasser: Mitra, Atanu, Mittal, Ankit Kumar, Rao, Chebrolu Pulla
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Anthracenes - chemistry
Cattle
Fluorescent Dyes - chemistry
Glucose - chemistry
Hydrogen-Ion Concentration
Mercury - analysis
Mercury - blood
Milk
Spectrometry, Fluorescence - methods
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Beschreibung
Zusammenfassung:A new anthracenyl-imino-glucosyl conjugate (L) selectively senses Hg(2+) by turn-on fluorescence with a 13 ± 1 fold enhancement by forming a 2 : 1 complex in pH 5 to 10 even in the presence of several biologically and ecologically relevant metal ions, with a 25 ± 2% fluorescence enhancement at the EPA limit of 2 ppb. L is equally sensitive towards Hg(2+) in the presence of albumin proteins and in blood serum and milk.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc04967k