Detection of Tellurium in Presence of Extra Arsenic on Gold Electrodes Modified By Benzenedithiol Self-Assembled Monolayers

被引：1
|
作者：
Bass, Ethan [1 ]
Ke, Shan [2 ]
机构：
[1] Univ Chicago, Dept Chem, Chicago, IL 60637 USA
[2] Univ Chicago, Dept Mol Genet & Cell Biol, Chicago, IL 60637 USA
来源：
ELECTROANALYSIS | 2013年 / 25卷 / 02期
关键词：
Chemical biology; Analytical chemistry; Biosensors; Tellurium; ATOMIC-ABSORPTION-SPECTROMETRY; STRIPPING VOLTAMMETRY; PERCHLORIC-ACID; SURFACES; SPECIATION; SELENIUM; METALS;
D O I：
10.1002/elan.201200514
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Electrochemical detection of tellurium is interfered with arsenic due to their similar redox potentials. Gold electrodes modified by benzenedithiols (BDT) self-assembled monolayers (SAMs) were explored to determine Te(IV) in the presence of extra As(III) in this work. SAMs of benzenedithiols on the gold surface allows for selective extraction of Te (IV) over As(III), while blocking the redox of As(III). It provides potential applications to tellurium toxicity analysis, biological membrane study and identification of geochemistry samples.
引用
收藏
页码：503 / 506
页数：4
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