{"created":"2023-05-15T14:34:59.937580+00:00","id":45209,"links":{},"metadata":{"_buckets":{"deposit":"e8727fc4-a49e-4a29-bf31-326854e6f128"},"_deposit":{"created_by":1,"id":"45209","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"45209"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00045209","sets":["1"]},"author_link":["449074","449078","449073","449075","449076","449077","449072"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2008-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"865","bibliographicPageStart":"855","bibliographicVolumeNumber":"59","bibliographic_titles":[{"bibliographic_title":"Magnetic Resonance in Medicine"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Rat brain vasculature was imaged at 9.4T with blood oxygenation level-dependent (BOLD) microscopy. Data were acquired without exogenous contrast agent in <35 min using 3D gradient- echo imaging with 78-m isotropic resolution. Detailed vascular patterns including intracortical veins and some branches were observed in simple magnitude-contrast data acquired at an experimentally optimized echo time. The venous origin of the dark patterns was confirmed by oxygenation-dependent studies, and when the systemic arterial oxygen saturation level was <80% BOLD microscopy revealed additional intracortical vessels presumed to be of arterial origin. Quantification shows a decrease of intracortical venous density with depth. The full width at half-minimum intensity was 90-190 m for most intracortical venous vessels identifiable by BOLD venography. Since actual diameters are not directly quantifiable by BOLD, we also measured diameter-dependent intracortical venous density in vivo by two-photon excitation fluorescent microscopy. Density comparisons between the two modalities, along with computer simulations, show that\nvenous vessels as small as 16-30 m diameter are detectable with 9.4T BOLD icroscopy under our experimental conditions.","subitem_description_type":"Abstract"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1002/mrm.21573","subitem_relation_type_select":"DOI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0740-3194","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Park, Sung-Hong"}],"nameIdentifiers":[{"nameIdentifier":"449072","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Masamoto, Kazuto"}],"nameIdentifiers":[{"nameIdentifier":"449073","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kanno, Iwao"}],"nameIdentifiers":[{"nameIdentifier":"449074","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kim, Seong-Gi"}],"nameIdentifiers":[{"nameIdentifier":"449075","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"et.al"}],"nameIdentifiers":[{"nameIdentifier":"449076","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"正本 和人","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"449077","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"菅野 巖","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"449078","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Imaging Brain Vasculature with BOLD Microscopy: MR Detection Limits Determined by in Vivo Two-Photon Microscopy.","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Imaging Brain Vasculature with BOLD Microscopy: MR Detection Limits Determined by in Vivo Two-Photon Microscopy."}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-06-26"},"publish_date":"2008-06-26","publish_status":"0","recid":"45209","relation_version_is_last":true,"title":["Imaging Brain Vasculature with BOLD Microscopy: MR Detection Limits Determined by in Vivo Two-Photon Microscopy."],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T00:06:23.181913+00:00"}