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Cited 4 time in webofscience Cited 3 time in scopus
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Intra-instrument channel workable, optical-resolution photoacoustic and ultrasonic mini-probe system for gastrointestinal endoscopy

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dc.contributor.authorKim, Minjae-
dc.contributor.authorLee, Kang Won-
dc.contributor.authorKim, KiSik-
dc.contributor.authorGulenko, Oleksandra-
dc.contributor.authorLee, Cheol-
dc.contributor.authorKeum, Bora-
dc.contributor.authorChun, Hoon Jai-
dc.contributor.authorChoi, Hyuk Soon-
dc.contributor.authorKim, Chae Un-
dc.contributor.authorYang, Joon-Mo-
dc.date.accessioned2022-05-02T01:40:16Z-
dc.date.available2022-05-02T01:40:16Z-
dc.date.created2022-05-02-
dc.date.issued2022-06-
dc.identifier.urihttps://scholarworks.korea.ac.kr/kumedicine/handle/2021.sw.kumedicine/55659-
dc.description.abstractThere has been a long-standing expectation that the optical-resolution embodiment of photoacoustic tomography could have a substantial impact on gastrointestinal endoscopy by enabling microscopic visualization of the vasculature based on the endogenous contrast mechanism. Although multiple studies have demonstrated the in vivo imaging capability of a developed imaging device over the last decade, the implementation of such an endoscopic system that can be applied immediately when necessary via the instrument channel of a video endoscope has been a challenge. In this study, we developed a 3.38-mm diameter catheter-based, integrated optical-resolution photoacoustic and ultrasonic mini-probe system and successfully demonstrated its intrainstrument channel workability for the standard 3.7-mm diameter instrument channel of a clinical video endoscope based on a swine model. Through the instrument channel, we acquired the first in vivo dual-mode photoacoustic and ultrasonic endoscopic images from the esophagogastric junction of a swine. Further, in a rat colorectum in vivo imaging experiment, we visualized hierarchically developed mesh-like capillary networks with a hole size as small as ~50 mu m, which suggests the potential level of image details that could be photo acoustically provided in clinical settings in the future.-
dc.language영어-
dc.language.isoen-
dc.publisherElsevier GmbH-
dc.titleIntra-instrument channel workable, optical-resolution photoacoustic and ultrasonic mini-probe system for gastrointestinal endoscopy-
dc.typeArticle-
dc.contributor.affiliatedAuthorLee, Kang Won-
dc.contributor.affiliatedAuthorKeum, Bora-
dc.contributor.affiliatedAuthorChun, Hoon Jai-
dc.contributor.affiliatedAuthorChoi, Hyuk Soon-
dc.identifier.doi10.1016/j.pacs.2022.100346-
dc.identifier.scopusid2-s2.0-85126358623-
dc.identifier.wosid000782611100003-
dc.identifier.bibliographicCitationPhotoacoustics, v.26-
dc.relation.isPartOfPhotoacoustics-
dc.citation.titlePhotoacoustics-
dc.citation.volume26-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaAcoustics-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalResearchAreaInstruments & Instrumentation-
dc.relation.journalResearchAreaRadiology, Nuclear Medicine & Medical Imaging-
dc.relation.journalWebOfScienceCategoryAcoustics-
dc.relation.journalWebOfScienceCategoryEngineering, Biomedical-
dc.relation.journalWebOfScienceCategoryInstruments & Instrumentation-
dc.relation.journalWebOfScienceCategoryRadiology, Nuclear Medicine & Medical Imaging-
dc.subject.keywordPlusIN-VIVO-
dc.subject.keywordPlusCOHERENCE TOMOGRAPHY-
dc.subject.keywordPlusMODALITY-
dc.subject.keywordPlusENDOMICROSCOPY-
dc.subject.keywordPlusDEPTH-
dc.subject.keywordAuthorPhotoacoustic endoscopy-
dc.subject.keywordAuthorEndoscopic ultrasound-
dc.subject.keywordAuthorVideo endoscope-
dc.subject.keywordAuthorInstrument channel-
dc.subject.keywordAuthorSwine esophagogastric junction-
dc.subject.keywordAuthorRat colorectum-
dc.subject.keywordAuthorVasculature hierarchism-
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Anam Hospital (Department of Gastroenterology and Hepatology, Anam Hospital)
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