Abstract

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 detection, and can be potentially used for As level screening in groundwater.

Original languageEnglish (US)
Pages (from-to)82-88
Number of pages7
JournalSensors and Actuators, B: Chemical
Volume123
Issue number1
DOIs
StatePublished - Apr 10 2007

Fingerprint

Arsenic
Surface plasmon resonance
ground water
surface plasmon resonance
arsenic
Groundwater
sensors
Sensors
drinking
containment
organic compounds
Organic compounds
Sulfhydryl Compounds
thiols
Potable water
Drinking Water
Screening
screening
probes
water

Keywords

  • Arsenate
  • Arsenic
  • Arsenite
  • Groundwater
  • Sensor
  • Surface plasmon resonance

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Detection of arsenic in groundwater using a surface plasmon resonance sensor. / Forzani, Erica; Foley, Kyle; Westerhoff, Paul; Tao, Nongjian.

In: Sensors and Actuators, B: Chemical, Vol. 123, No. 1, 10.04.2007, p. 82-88.

Research output: Contribution to journalArticle

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