Detection of arsenic in groundwater using a surface plasmon resonance sensor

被引：121
|
作者：
Forzani, Erica S.
Foley, Kyle
Westerhoff, Paul [1 ]
Tao, Nongjian
机构：
[1] Arizona State Univ, Dept Civil & Environm Engn, Tempe, AZ 85287 USA
[2] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85287 USA
[3] Arizona State Univ, Ctr Solid State Elect Res, Tempe, AZ 85287 USA
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2007年 / 123卷 / 01期
基金：
美国国家科学基金会;
关键词：
arsenic; arsenate; arsenite; sensor; groundwater; surface plasmon resonance;
D O I：
10.1016/j.snb.2006.07.033
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
We have built a highly sensitive surface plasmon resonance (SPR) sensor to detect: arsenic (As) in groundwater. Using several thiol-containing organic compounds as sensor probes, we have been able to discriminate arsenic levels below and above the US EPA maximum containment level (0.010 mg/L =10 ppb, according to 2006 regulation), in drinking water. The SPR sensor is simple comparing to conventional spectroscopic techniques currently employed for As delection, and can be potentially used for As level screening in groundwater. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：82 / 88
页数：7
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