A cross-reactive plasmonic sensing array for drinking water assessment

The continuous monitoring of remote drinking water purification systems is a global challenge with direct consequences for human and environmental health. Here, we utilise a "nano-tastebud" sensor comprised of eight chemically-tailored plasmonic metasurfaces, for testing the composition of...

Full description

Saved in:
Bibliographic Details
Published inEnvironmental science. Nano Vol. 1; no. 12; pp. 35 - 358
Main Authors Sperling, Justin R, Poursat, Baptiste, Savage, Laurie, Christie, Iain, Cuthill, Calum, Aekbote, Badri L, McGuire, Katie, Karimullah, Affar S, Robbie, Jill, Sloan, William T, Gauchotte-Lindsay, Caroline, Peveler, William J, Clark, Alasdair W
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 07.12.2023
Subjects
Composition
Contaminants
Drinking water
Effluent treatment
Environmental health
Influents
Monitoring systems
Plasmonics
Remote monitoring
Remote sensing
Sensor arrays
Sensors
Wastewater treatment
Water analysis
Water purification
Water sampling
Water treatment
Water treatment plants
Online AccessGet full text

Cover

More Information
Summary:The continuous monitoring of remote drinking water purification systems is a global challenge with direct consequences for human and environmental health. Here, we utilise a "nano-tastebud" sensor comprised of eight chemically-tailored plasmonic metasurfaces, for testing the composition of drinking water. Through undertaking a full chemometric analysis of the water samples and likely contaminants we were able to optimise the sensor specification to create an array of suitable tastebuds. By generating a unique set of optical responses for each water sample, we show that the array-based sensor can differentiate between untreated influent and treated effluent water with over 95% accuracy in flow and can detect compositional changes in distributed modified tap water. Once fully developed, this system could be integrated into water treatment facilities and distribution systems to monitor for changes in water composition. The continuous monitoring of remote drinking water purification systems is a global challenge with direct consequences for human and environmental health. Nanoplasmonic sensors can monitor treatment systems and warn of failures.
Bibliography:Electronic supplementary information (ESI) available: Further details on sample collection, full analytical chemistry assessment, synthesis of custom nitrilotriacetic acid thiol, sensor fabrication, sensor thiolation, transmission microscopy methodology, further detail on the nano-tastebud sensing of samples, principal component analysis, and linear discriminant analysis. See DOI
All data relating to the work outlined in this article can be found here
https://doi.org/10.5525/gla.researchdata.1482
https://doi.org/10.1039/d3en00565h
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:2051-8153
2051-8161
DOI:10.1039/d3en00565h