A potential visual fluorescence probe for ultratrace arsenic (III) detection by using glutathione-capped CdTe quantum dots

The interaction between mercaptoacetic acid (MA)-capped CdTe QDs, MA-capped CdTe/ZnS QDs or glutathione (GSH)-capped CdTe QDs with As(III) was studied using fluorescence spectrometry. As (III) has a high-affinity to reduced-GSH to form As(SG)3, and the emission of the GSH-capped CdTe QDs (λem.=612nm...

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Veröffentlicht in:	Talanta (Oxford) 2011-04, Vol.84 (2), p.382-386
Hauptverfasser:	Wang, Xianxiang, Lv, Yi, Hou, Xiandeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Arsenic (III) Cadmium tellurides Chemistry Emissions control Exact sciences and technology Fluorescence GSH-CdTe Optimization Quantum dots Quenching (cooling) Spectrometric and optical methods Spectrometry Spectroscopy Visual Visual fluorescence detection
Online-Zugang:	Volltext
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