{"created":"2023-05-15T14:37:32.972078+00:00","id":48436,"links":{},"metadata":{"_buckets":{"deposit":"b74d97c7-ff8c-42a8-9cbe-c6399c31a8b7"},"_deposit":{"created_by":1,"id":"48436","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"48436"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00048436","sets":["1"]},"author_link":["486921","486927","486929","486930","486924","486923","486922","486926","486928","486920","486925"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"33","bibliographicPageEnd":"7961","bibliographicPageStart":"7956","bibliographicVolumeNumber":"14","bibliographic_titles":[{"bibliographic_title":"Organic & Biomolecular Chemistry"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The effect of aluminium ion (Al3+) on the scavenging reaction of a 2,2-diphenyl-1-picrylhydrazyl radical (DPPH●), as a reactivity model of reactive oxygen species, by hydroquinone (QH2) and its methylated derivatives (MenQH2, n = 1–4) was investigated using stopped-flow and electrochemical techniques in a hydroalcoholic medium. The second-order rate constants (k) for the DPPH●-scavenging reaction of the hydroquinones increased with increasing the number of methyl substituents. Upon addition of Al3+, the k values significantly increased depending on the concentration of Al3+. Such an accelerating effect of Al3+ on the DPPH●-scavenging rates of the hydroquinones results from the remarkable positive shift of the one-electron reduction potential (Ered) of DPPH● in the presence Al3+. These results demonstrate that Al3+, a strong Lewis acid, can act as a radical-scavenging promoter by stabilising the one-electron reduced species of the radical, although Al3+ is reported not only to act as a pro-oxidant but also to strongly interact with biomolecules, showing toxicities.","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"The Royal Society of Chemistry"}]},"item_8_relation_13":{"attribute_name":"PubMed番号","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"27492849","subitem_relation_type_select":"PMID"}}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1039/C6OB01470D","subitem_relation_type_select":"DOI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1477-0520","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":"Nakanishi, Ikuo"}],"nameIdentifiers":[{"nameIdentifier":"486920","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ohkubo, Kei"}],"nameIdentifiers":[{"nameIdentifier":"486921","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ogawa, Yukihiro"}],"nameIdentifiers":[{"nameIdentifier":"486922","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Matsumoto, Kenichiro"}],"nameIdentifiers":[{"nameIdentifier":"486923","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ozawa, Toshihiko"}],"nameIdentifiers":[{"nameIdentifier":"486924","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Fukuzumi, Shunichi"}],"nameIdentifiers":[{"nameIdentifier":"486925","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"中西 郁夫","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486926","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"大久保 敬","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486927","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小川 幸大","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486928","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"松本 謙一郎","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486929","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小澤 俊彦","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486930","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":"Aluminium Ion-Promoted Radical-Scavenging Reaction of Methylated Hydroquinone Derivatives","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Aluminium Ion-Promoted Radical-Scavenging Reaction of Methylated Hydroquinone Derivatives"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-01-12"},"publish_date":"2018-01-12","publish_status":"0","recid":"48436","relation_version_is_last":true,"title":["Aluminium Ion-Promoted Radical-Scavenging Reaction of Methylated Hydroquinone Derivatives"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:28:07.312931+00:00"}