Quantitative measurements of PFAS at femtomole concentrations via integrated SERS and single photon detection methods

This is a Quantitative Study study.

January 1, 2025RSC AdvancesOpen Access

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Key Points

PFAS were detected at femtomole concentrations, showcasing the potential for ultra-sensitive environmental monitoring.
Utilizing multilayer AgNPs for SERS substrates enabled detection limits significantly below traditional methods, enhancing detection capacity.
The innovative combination of SERS and single photon detection methods illustrates a breakthrough for analytical chemistry applications.
This approach may lead to advanced detection technologies, providing significant improvement in monitoring environmental pollutants.

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Quantitative measurements reveal PFAS detection at femtomole levels through AgNP SERS, suggesting improved sensitivity.

Sub-ppt detection of PFAS is enabled by combining multilayer AgNPs SERS substrates with photon-counting detection.

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Huo et al. (2025) studied this question.

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