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김광수

Kim, Kwang S.
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dc.citation.endPage 157 -
dc.citation.number 1 -
dc.citation.startPage 150 -
dc.citation.title NANOSCALE -
dc.citation.volume 10 -
dc.contributor.author Yu, Seong Uk -
dc.contributor.author Lee, Hwiwon -
dc.contributor.author Cho, Woo Jong -
dc.contributor.author Kim, Chulhyun -
dc.contributor.author Kang, Moon Cheol -
dc.contributor.author Shin, Hyun-Joon -
dc.contributor.author Kim, Namdong -
dc.contributor.author Hahn, Sei Kwang -
dc.contributor.author Kim, Kwang S. -
dc.date.accessioned 2023-12-21T21:15:23Z -
dc.date.available 2023-12-21T21:15:23Z -
dc.date.created 2018-01-12 -
dc.date.issued 2018-01 -
dc.description.abstract On-the-spot visualization of biochemical responses of intact live cells is vital for a clear understanding of cell biology. The main obstacles for instant visualization of biochemical responses of living cells arise from the lack of a sophisticated detecting technique which can simultaneously provide chemical analysis tools and the biocompatible wet conditions. Here we introduce scanning transmission X-ray microscopy (STXM) combined with a liquid-enclosing graphene system (LGS), offering biocompatible conditions and improved X-ray absorption spectra to probe the chemical responses of live cells under wet conditions. This set-up enables us to probe a subtle change in absorption spectra depending on the oxidation state of a miniscule amount of oxygen in the functional groups present in each cell and its surroundings containing a minimal amount of liquid water. As an example of in situ biochemical responses of wet cells, chemical responses of a single Colo 205 cell are visualized and analyzed using X-ray absorption near the oxygen K-edge. This spectromicroscopic method using LGS can be applied to diverse biological samples under wet conditions for the analysis of their biochemical responses. -
dc.identifier.bibliographicCitation NANOSCALE, v.10, no.1, pp.150 - 157 -
dc.identifier.doi 10.1039/c7nr05223e -
dc.identifier.issn 2040-3364 -
dc.identifier.scopusid 2-s2.0-85039147529 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/23218 -
dc.identifier.url http://pubs.rsc.org/en/Content/ArticleLanding/2018/NR/C7NR05223E#!divAbstract -
dc.identifier.wosid 000418621000014 -
dc.language 영어 -
dc.publisher ROYAL SOC CHEMISTRY -
dc.title Spectromicroscopic observation of a live single cell in a biocompatible liquid-enclosing graphene system -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied -
dc.relation.journalResearchArea Chemistry; Science & Technology - Other Topics; Materials Science; Physics -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus TRANSMISSION ELECTRON-MICROSCOPY -
dc.subject.keywordPlus X-RAY MICROSCOPY -
dc.subject.keywordPlus HYDROGEN-PEROXIDE -
dc.subject.keywordPlus SPECTROSCOPY -
dc.subject.keywordPlus DEATH -
dc.subject.keywordPlus FILMS -
dc.subject.keywordPlus WATER -
dc.subject.keywordPlus ROS -

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