DC Field | Value | Language |
---|---|---|
dc.contributor.author | O’Callahan, Brian T. | - |
dc.contributor.author | Park, Kyoung-Duck | - |
dc.contributor.author | Novikova, Irina V. | - |
dc.contributor.author | Jian, Tengyue | - |
dc.contributor.author | Chen, Chun-Long | - |
dc.contributor.author | Muller, Eric A. | - |
dc.contributor.author | El-Khoury, Patrick Z. | - |
dc.contributor.author | Raschke, Markus B. | - |
dc.contributor.author | Lea, A. Scott | - |
dc.date.accessioned | 2022-12-26T01:20:36Z | - |
dc.date.available | 2022-12-26T01:20:36Z | - |
dc.date.created | 2022-12-23 | - |
dc.date.issued | 2020-06 | - |
dc.identifier.issn | 1530-6984 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/114698 | - |
dc.description.abstract | Imaging biological systems with simultaneous intrinsic chemical specificity and nanometer spatial resolution in their typical native liquid environment has remained a long-standing challenge. Here, we demonstrate a general approach of chemical nanoimaging in liquid based on infrared scattering scanning near-field optical microscopy (IR s-SNOM). It is enabled by combining AFM operation in a fluid cell with evanescent IR illumination via total internal reflection, which provides spatially confined excitation for minimized IR water absorption, reduced far-field background, and enhanced directional signal emission and sensitivity. We demonstrate in-liquid IR s-SNOM vibrational nanoimaging and conformational identification of catalase nanocrystals and spatio-spectral analysis of biomimetic peptoid sheets with monolayer sensitivity and chemical specificity at the few zeptomole level. This work establishes the principles of in-liquid and in situ IR s-SNOM spectroscopic chemical nanoimaging and its general applicability to biomolecular, cellular, catalytic, electrochemical, or other interfaces and nanosystems in liquids or solutions. | - |
dc.language | English | - |
dc.publisher | American Chemical Society | - |
dc.relation.isPartOf | Nano Letters | - |
dc.title | In Liquid Infrared Scattering Scanning Near-Field Optical Microscopy for Chemical and Biological Nanoimaging | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/acs.nanolett.0c01291 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | Nano Letters, v.20, no.6, pp.4497 - 4504 | - |
dc.identifier.wosid | 000541691200056 | - |
dc.citation.endPage | 4504 | - |
dc.citation.number | 6 | - |
dc.citation.startPage | 4497 | - |
dc.citation.title | Nano Letters | - |
dc.citation.volume | 20 | - |
dc.contributor.affiliatedAuthor | Park, Kyoung-Duck | - |
dc.identifier.scopusid | 2-s2.0-85086346960 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | ELECTRON-MICROSCOPY | - |
dc.subject.keywordPlus | SPECTROSCOPY | - |
dc.subject.keywordPlus | DIFFRACTION | - |
dc.subject.keywordPlus | NANOSPECTROSCOPY | - |
dc.subject.keywordPlus | MOLECULES | - |
dc.subject.keywordPlus | SPECIMENS | - |
dc.subject.keywordAuthor | Nanospectroscopy | - |
dc.subject.keywordAuthor | bioimaging | - |
dc.subject.keywordAuthor | in-liquid | - |
dc.subject.keywordAuthor | in situ | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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