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Detection of nerve ...
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Hakonen, Aron,1970Chalmers tekniska högskola,Chalmers University of Technology
(author)
Detection of nerve gases using surface-enhanced Raman scattering substrates with high droplet adhesion
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016
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Royal Society of Chemistry (RSC),2016
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:research.chalmers.se:cf6661c3-6574-4f57-be5f-c3699dd68c0c
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https://research.chalmers.se/publication/232068URI
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https://doi.org/10.1039/c5nr06524kDOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-197575URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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QC 20171214
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Threats from chemical warfare agents, commonly known as nerve gases, constitute a serious security issue of increasing global concern because of surging terrorist activity worldwide. However, nerve gases are difficult to detect using current analytical tools and outside dedicated laboratories. Here we demonstrate that surface-enhanced Raman scattering (SERS) can be used for sensitive detection of femtomol quantities of two nerve gases, VX and Tabun, using a handheld Raman device and SERS substrates consisting of flexible gold-covered Si nanopillars. The substrate surface exhibits high droplet adhesion and nanopillar clustering due to elasto-capillary forces, resulting in enrichment of target molecules in plasmonic hot-spots with high Raman enhancement. The results may pave the way for strategic life-saving SERS detection of chemical warfare agents in the field.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Rindzevicius, Tomas,1977Danmarks Tekniske Universitet,Technical University of Denmark(Swepub:cth)mp00tori
(author)
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Svedendahl, MikaelDanmarks Tekniske Universitet,Technical University of Denmark(Swepub:kth)u1tg08zi
(author)
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Andersson, Per-Ola,1964Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)
(author)
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Juhlin, LarsTotalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)
(author)
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Svedendahl, Mikael,1984Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)smikael
(author)
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Boisen, A.Danmarks Tekniske Universitet,Technical University of Denmark
(author)
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Käll, Mikael,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kall
(author)
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Chalmers tekniska högskolaDanmarks Tekniske Universitet
(creator_code:org_t)
Related titles
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In:Nanoscale: Royal Society of Chemistry (RSC)8:3, s. 1305-13082040-33722040-3364
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