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A cross-reactive plasmonic sensing array for drinking water assessment.

Justin R Sperling1, Baptiste Poursat1, Laurie Savage1

  • 1James Watt School of Engineering, University of Glasgow Glasgow UK Alasdair.Clark@glasgow.ac.uk.

Environmental Science. Nano
|December 11, 2023
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Summary
This summary is machine-generated.

A novel "nano-tastebud" sensor array accurately monitors drinking water quality. This technology differentiates treated from untreated water, ensuring public health and environmental safety.

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Area of Science:

  • Nanotechnology
  • Sensor Technology
  • Water Quality Monitoring

Background:

  • Continuous monitoring of remote drinking water purification systems is crucial for public and environmental health.
  • Existing methods for water quality assessment face challenges in real-time, remote application.

Purpose of the Study:

  • To develop and validate a novel sensor array for the continuous monitoring of drinking water composition.
  • To assess the sensor's capability in differentiating water treatment stages and detecting compositional changes.

Main Methods:

  • Utilized a "nano-tastebud" sensor composed of eight chemically-tailored plasmonic metasurfaces.
  • Performed comprehensive chemometric analysis of water samples and potential contaminants.
  • Optimized sensor design and array configuration for specific water testing applications.

Main Results:

  • The sensor array generated unique optical responses for different water samples.
  • Achieved over 95% accuracy in differentiating untreated influent from treated effluent water in flow.
  • Successfully detected compositional alterations in modified tap water samples.

Conclusions:

  • The developed nano-tastebud sensor array offers a promising solution for real-time drinking water quality monitoring.
  • Integration into water treatment facilities and distribution systems can enhance water safety and management.
  • This technology has the potential to significantly improve human and environmental health outcomes.