Detection of the mycotoxin citrinin using silver substrates and Raman spectroscopy

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dc.contributor.authorSingh, Dheeraj K.ko
dc.contributor.authorGanbold, Erdene-Ochirko
dc.contributor.authorCho, Eun-Minko
dc.contributor.authorCho, Kwang-Hwiko
dc.contributor.authorKim, Doseokko
dc.contributor.authorChoo, Jaebumko
dc.contributor.authorKim, Sehunko
dc.contributor.authorLee, Cheol Minko
dc.contributor.authorYang, Sung Ikko
dc.contributor.authorJoo, Sang-Wooko
dc.date.accessioned2014-09-04T08:38:50Z-
dc.date.available2014-09-04T08:38:50Z-
dc.date.created2014-03-17-
dc.date.created2014-03-17-
dc.date.issued2014-01-
dc.identifier.citationJOURNAL OF HAZARDOUS MATERIALS, v.265, pp.89 - 95-
dc.identifier.issn0304-3894-
dc.identifier.urihttp://hdl.handle.net/10203/190112-
dc.description.abstractWe detected a trace amount of the mycotoxin citrinin using surface-enhanced Raman scattering (SEAS) on silver nanoparticle (Ag NP) surfaces. The SERS substrate on hydrophobic Teflon films was also introduced to observe the citrinin peaks. A broad band at similar to 1382 cm(-1), which was ascribed to the symmetric carboxylate stretching mode, was observed in addition to an antisymmetric carboxylate stretching mode at similar to 1568 cm(-1) in the Raman spectra. The spectral feature indicated that citrinin would adsorb on Ag NPs via its carboxylate form. Based on density functional theory (DFT) calculations, vibrational mode analysis was performed to compare the Raman spectra of citrinin. DFT calculations also predicted that a bidentate bridge configuration through 015 and 016 atoms in citrinin would be the most stable on three Ag atoms. After treating with Ag NPs, observation of citrinin peaks was attempted in fungal cells of Penicillium citrinum. This work may provide useful insights into the direct observation of the hazardous citrinin mycotoxin using SERS by understanding its adsorption behaviors on Ag surfaces.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSURFACE-ENHANCED RAMAN-
dc.subjectPENICILLIUM-CITRINUM-
dc.subjectBENZOIC-ACID-
dc.subjectRICE SAMPLES-
dc.subjectSCATTERING-
dc.subjectCULTURES-
dc.subjectCELLS-
dc.subjectGOLD-
dc.subjectTEMPERATURE-
dc.subjectOCHRATOXIN-
dc.titleDetection of the mycotoxin citrinin using silver substrates and Raman spectroscopy-
dc.typeArticle-
dc.identifier.wosid000331021100010-
dc.identifier.scopusid2-s2.0-84890288830-
dc.type.rimsART-
dc.citation.volume265-
dc.citation.beginningpage89-
dc.citation.endingpage95-
dc.citation.publicationnameJOURNAL OF HAZARDOUS MATERIALS-
dc.identifier.doi10.1016/j.jhazmat.2013.11.041-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKim, Sehun-
dc.contributor.nonIdAuthorSingh, Dheeraj K.-
dc.contributor.nonIdAuthorGanbold, Erdene-Ochir-
dc.contributor.nonIdAuthorCho, Eun-Min-
dc.contributor.nonIdAuthorCho, Kwang-Hwi-
dc.contributor.nonIdAuthorKim, Doseok-
dc.contributor.nonIdAuthorChoo, Jaebum-
dc.contributor.nonIdAuthorLee, Cheol Min-
dc.contributor.nonIdAuthorYang, Sung Ik-
dc.contributor.nonIdAuthorJoo, Sang-Woo-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCitrinin-
dc.subject.keywordAuthorMycotoxin-
dc.subject.keywordAuthorSilver substrates-
dc.subject.keywordAuthorRaman spectroscopy-
dc.subject.keywordAuthorDensity functional theory calculations-
dc.subject.keywordPlusSURFACE-ENHANCED RAMAN-
dc.subject.keywordPlusPENICILLIUM-CITRINUM-
dc.subject.keywordPlusBENZOIC-ACID-
dc.subject.keywordPlusRICE SAMPLES-
dc.subject.keywordPlusSCATTERING-
dc.subject.keywordPlusCULTURES-
dc.subject.keywordPlusCELLS-
dc.subject.keywordPlusGOLD-
dc.subject.keywordPlusTEMPERATURE-
dc.subject.keywordPlusOCHRATOXIN-
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