{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282679488873984.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1252/kakoronbunshu.43.123"}},{"identifier":{"@type":"HDL","@value":"http://hdl.handle.net/10458/6127"}},{"identifier":{"@type":"URI","@value":"https://miyazaki-u.repo.nii.ac.jp/records/5277"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"028080986"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/028080986"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I028080986"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/kakoronbunshu/43/2/43_16wh071/_pdf"}},{"identifier":{"@type":"NAID","@value":"130005464639"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"ja","@value":"紫外線吸収剤の担持によるポルフィリン型湿度検出剤の耐光化"},{"@language":"en","@value":"Improvement of UV-Stability of Porphyrin-Type Humidity Indicator by the Addition of UV-Absorbents"},{"@language":"ja-Kana","@value":"シガイセン キュウシュウザイ ノ タンジ ニ ヨル ポルフィリンガタ シツド ケンシュツザイ ノ タイコウカ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"<p>A cobalt-free humidity indicator (HDI) for silica gel was developed using tetraphenylporphyrin (Tpp), which showed a distinguishable color change depending on pH. The HDI was prepared by mixing dichloro(tetraphenylporphyrinato)phosphorus chloride (PTpp) and MgCl<sub>2</sub> with SiO<sub>2</sub> and drying at 130°C for 24 h. During the preparation, the PTpp was decomposed into the protonated Tpp (H<sub>2</sub>Tpp<sup>2+</sup>). The pH change arose from proton release by the reaction of MgCl<sub>2</sub> with silanol of the SiO<sub>2</sub> under dry conditions and neutralization under humid conditions. The HDI showed green color due to H<sub>2</sub>Tpp<sup>2+</sup> under dry conditions and orange color due to Tpp under humid conditions. However, the HDI underwent partial decoloration on extended exposure to sunlight. Here, to prevent this decoloration, UV-absorbents coumarin and dibenzosuberenone were loaded onto the HDI. The HDIs with coumarin and without coumarin were irradiated at 352 nm and their microscopic absorption spectra were measured on a confocal laser scanning microscope. The absorbance at 650 nm and 515 nm of the HDI were monitored under dry and wet conditions, respectively. The light-protecting ability of UV-absorbent was analyzed by assuming that the decomposition process obeyed first-order kinetics. It was concluded that the additions of 0.125 wt% of coumarin and 0.050 wt% of dibenzosuberenone were effective to prevent decoloration of green color of H<sub>2</sub>Tpp<sup>2+</sup> as well as orange color of Tpp.</p>"},{"@language":"ja","@value":"<p>青ゲルに代わるコバルトフリー湿度検出剤（HDI）を，我々はpHによって顕著な色調変化を示すポルフィリン発色団を用いて開発し，そのUV耐光化について検討を行った．HDIは，MgCl<sub>2</sub>およびジクロロテトラフェニルポルフィリナトリン塩化物錯体（PTpp）を粒径が2.80–3.35 mmのシリカゲルビーズに含浸し，130°Cで24 h乾燥させて調製した．ここでは，PTppの軸配位子のクロロ基が加水分解されて水酸基に変換され，さらにMgCl<sub>2</sub>とシリカゲルの反応で発生した酸の存在下で中心金属であるリンの脱離とプロトン付加が起こっている．このようにして，調製したHDIは乾燥下ではテトラフェニルポルフィリンのプロトン付加体によって緑色を呈し，吸湿時には脱プロトンしたテトラフェニルポルフィリンが生成することでオレンジ色に変化した．しかし，開発したHDIを太陽光下で長時間使用すると，部分的に退色する問題があった．そこで，HDIのUV耐光性を向上させるために，紫外線吸収剤であるクマリンおよびジベンゾスベレノンを担持したHDIを調製した．乾燥状態のHDIに1–5 hブラックライト（発光極大波長350 nm）を用いてUV光を照射して退色促進試験を行った．耐光性の評価は，共焦点レーザー顕微鏡を用いる顕微吸光光度分析によってビーズごとの吸光度を650 nmで測定して，ポルフィリンプロトン付加体の濃度を見積もることで行った．退色反応は一次反応にしたがうと仮定して，速度定数を求めた．同様に湿潤状態でのHDIの耐光性評価は515 nmの吸光度で行った．その結果，0.125 wt%のクマリンまたは0.050 wt%のジベンゾスベレノンの担持によってHDIのUV退色の抑制に成功した．また，UV退色にはポルフィリンプロトン付加体の348 nmの吸収が関係していることが明らかになった．</p>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282679488873987","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000347128000"}],"foaf:name":[{"@language":"ja","@value":"福田 浩司"},{"@language":"en","@value":"Fukuda Koji"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学工学部　環境応用化学科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679488873986","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000347128001"}],"foaf:name":[{"@language":"ja","@value":"菅野 健人"},{"@language":"en","@value":"Sugano Kento"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学工学部　環境応用化学科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679488873988","@type":"Researcher","foaf:name":[{"@language":"ja","@value":"松本 朋子"},{"@language":"en","@value":"Matsumoto Tomoko"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Center for Collaborative Research and Community Cooperation, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学産学・地域連携センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276190515456","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"90363572"},{"@type":"NRID","@value":"1000090363572"},{"@type":"NRID","@value":"9000006818883"},{"@type":"NRID","@value":"9000261677127"},{"@type":"NRID","@value":"9000003801997"},{"@type":"NRID","@value":"9000301712583"},{"@type":"NRID","@value":"9000256025652"},{"@type":"NRID","@value":"9000000966190"},{"@type":"NRID","@value":"9000256029841"},{"@type":"NRID","@value":"9000273020188"},{"@type":"NRID","@value":"9000257729652"},{"@type":"NRID","@value":"9000257726441"},{"@type":"NRID","@value":"9000000476310"},{"@type":"NRID","@value":"9000257733003"},{"@type":"NRID","@value":"9000413237797"},{"@type":"NRID","@value":"9000019960505"},{"@type":"NRID","@value":"9000255702380"},{"@type":"NRID","@value":"9000256028403"},{"@type":"NRID","@value":"9000396109920"},{"@type":"NRID","@value":"9000256024300"},{"@type":"NRID","@value":"9000257722003"},{"@type":"NRID","@value":"9000347128002"},{"@type":"NRID","@value":"9000409993566"},{"@type":"NRID","@value":"9000389944011"},{"@type":"NRID","@value":"9000413238490"},{"@type":"NRID","@value":"9000257732845"},{"@type":"NRID","@value":"9000255702873"},{"@type":"NRID","@value":"9000283299225"},{"@type":"NRID","@value":"9000275831300"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0111275"}],"foaf:name":[{"@language":"ja","@value":"松本 仁"},{"@language":"en","@value":"Matsumoto Jin"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学工学部　環境応用化学科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679488873990","@type":"Researcher","foaf:name":[{"@language":"ja","@value":"保田 昌秀"},{"@language":"en","@value":"Yasuda Masahide"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学工学部　環境応用化学科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679488873985","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000347128004"}],"foaf:name":[{"@language":"ja","@value":"笛田 佳之"},{"@language":"en","@value":"Fueda Yoshiyuki"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Fuji Silysia Chemical Ltd."},{"@language":"ja","@value":"富士シリシア化学株式会社"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658362729859","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"80235506"},{"@type":"NRID","@value":"1000080235506"},{"@type":"ORCID","@value":"0000-0002-9584-3267"},{"@type":"NRID","@value":"9000411950690"},{"@type":"NRID","@value":"9000413771200"},{"@type":"NRID","@value":"9000415417874"},{"@type":"NRID","@value":"9000413237093"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/koiciroshiomori"}],"foaf:name":[{"@language":"ja","@value":"塩盛 弘一郎"},{"@language":"en","@value":"Shiomori Kouichiro"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki"},{"@language":"ja","@value":"宮崎大学工学部　環境応用化学科"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"0386216X"},{"@type":"LISSN","@value":"0386216X"},{"@type":"EISSN","@value":"13499203"},{"@type":"ISSN","@value":"0386216X"},{"@type":"NDL_BIB_ID","@value":"000000026852"},{"@type":"NCID","@value":"AN00037234"}],"prism:publicationName":[{"@language":"en","@value":"KAGAKU KOGAKU RONBUNSHU"},{"@language":"ja","@value":"化学工学論文集"},{"@language":"en","@value":"KAGAKU KOGAKU RONBUNSHU"},{"@language":"ja","@value":"化学工学論文集"}],"dc:publisher":[{"@language":"en","@value":"The Society of Chemical Engineers, Japan"},{"@language":"ja","@value":"公益社団法人 化学工学会"}],"prism:publicationDate":"2017","prism:volume":"43","prism:number":"2","prism:startingPage":"123","prism:endingPage":"128"},"reviewed":"false","url":[{"@id":"https://miyazaki-u.repo.nii.ac.jp/records/5277"},{"@id":"http://id.ndl.go.jp/bib/028080986"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I028080986"},{"@id":"https://www.jstage.jst.go.jp/article/kakoronbunshu/43/2/43_16wh071/_pdf"},{"@id":"http://hdl.handle.net/10458/6127"}],"availableAt":"2017","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Humidity%20Indicator","dc:title":"Humidity Indicator"},{"@id":"https://cir.nii.ac.jp/all?q=Porphyrin","dc:title":"Porphyrin"},{"@id":"https://cir.nii.ac.jp/all?q=Coumarin","dc:title":"Coumarin"},{"@id":"https://cir.nii.ac.jp/all?q=UV-Stability","dc:title":"UV-Stability"},{"@id":"https://cir.nii.ac.jp/all?q=Decoloration%20Rate","dc:title":"Decoloration Rate"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%B9%BF%E5%BA%A6%E6%A4%9C%E5%87%BA%E5%89%A4","dc:title":"湿度検出剤"},{"@id":"https://cir.nii.ac.jp/all?q=%E3%83%9D%E3%83%AB%E3%83%95%E3%82%A3%E3%83%AA%E3%83%B3","dc:title":"ポルフィリン"},{"@id":"https://cir.nii.ac.jp/all?q=%E7%B4%AB%E5%A4%96%E7%B7%9A%E5%90%B8%E5%8F%8E%E5%89%A4","dc:title":"紫外線吸収剤"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%A1%95%E5%BE%AE%E5%90%B8%E5%85%89%E5%85%89%E5%BA%A6%E5%88%86%E6%9E%90","dc:title":"顕微吸光光度分析"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%80%80%E8%89%B2%E9%80%9F%E5%BA%A6","dc:title":"退色速度"}],"dcterms:subject":[{"subjectScheme":"Other","notation":[{"@language":"ja","@value":"湿度検出剤, ポルフィリン, 紫外線吸収剤, 顕微吸光光度分析, 退色速度"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360292620540674560","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Silica gel impregnated with iron(III) salts: A safe humidity indicator"}]},{"@id":"https://cir.nii.ac.jp/crid/1360565169064023424","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Confocal Laser Scanning Microscope Analysis of Antimony Porphyrin Chromophore Immobilized on Silica-gel Beads"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855568794290944","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Impact of phase composition on water adsorption on inorganic hybrids “salt/silica”"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204144422656","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Bactericidal Effect of Silica Gel-Supported Porphyrinatophosphorus(V) Catalysts on Escherichia coli under Visible-Light Irradiation"},{"@language":"ja-Kana","@value":"Bactericidal Effect of Silica Gel Supported Porphyrinatophosphorus 5 Catalysts on Escherichia coli under Visible Light Irradiation"},{"@value":"Bactericidal Effect of Silica Gel-Supported Porphyrinatophosphorus(V) Catalysts on <i>Escherichia coli</i> under Visible-Light Irradiation"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204260888320","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Quantitative Analysis for a Color-Change of Humidity Indicator by Microscopic Absorption Spectrometry"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679330792576","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Microscopic Spectrophotometry Using Confocal Laser Scanning Microscope"},{"@language":"ja","@value":"共焦点レーザー走査型顕微鏡を用いる顕微吸光度分析"},{"@language":"ja-Kana","@value":"キョウショウテン レーザー ソウサガタ ケンビキョウ オ モチイル ケンビ キュウコウド ブンセキ"}]}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:2001920104"},{"@type":"IRDB","@value":"oai:irdb.nii.ac.jp:00851:0005020086"},{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I028080986"},{"@type":"CROSSREF","@value":"10.1252/kakoronbunshu.43.123"},{"@type":"CIA","@value":"130005464639"},{"@type":"OPENAIRE","@value":"doi_dedup___::5595c4bf396e569d84ab3100b461fc98"}]}