{"@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/1362262943893382912.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1021/ja809851d"}},{"identifier":{"@type":"URI","@value":"https://pubs.acs.org/doi/pdf/10.1021/ja809851d"}},{"identifier":{"@type":"PMID","@value":"19650651"}}],"dc:title":[{"@value":"Porphyrin Arrays Responsive to Additives. Fluorescence Tuning"}],"description":[{"notation":[{"@value":"The application of low-flux sunlight begins with the synthesis of effective antenna systems. This requires the development of dye integrates with optimized dye orientation for effective energy transfer. We here report a series of peptide-linked porphyrin arrays, denoted by Boc-(Por(Zn,S))(n)-OBu(t) (n = 2, 4, and 8), that change their dye orientation to increase fluorescence responsively to additive reagents. The B-band absorption (AB) regions of the arrays show blue shifts (dimer, 407.6 nm; tetramer, 408.2 nm; octamer, 407.8 nm) in organic solvents as compared to that of Boc-Por(Zn,S)-OBu(t) (monomer, 422.6 nm) and the fluorescence yield Phi' of the arrays decreases with increasing n, obeying the relationship Phi' = 0.03/n(1.5); however, the arrays are tuned up in fluorescence emission by the addition of 1,2-diaminoethane (en). The addition of a sufficient amount of en increases the fluorescence of the porphyrins in monomer, dimer, tetramer, and octamer by approximately 5, approximately 12, approximately 12, and730 times, respectively, when compared with that observed in the absence of en. This also causes asymptotic red shifts in absorption (AB) bands (B-band lambda(max): 410 to 429-430 nm), as well as changes in circular dichroism (CD) spectra, and makes porphyrins approach new mutual asymmetric orientations. Our results show the potentiality of the tunable dye polymers that are a posteriori optimized in dye orientation and fluorescence emission by additive reagents for the development of effective light-harvesting materials."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262943893382914","@type":"Researcher","foaf:name":[{"@value":"Takeshi Yamamura"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943893382915","@type":"Researcher","foaf:name":[{"@value":"Shingo Suzuki"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943893382913","@type":"Researcher","foaf:name":[{"@value":"Tomotaka Taguchi"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943893382917","@type":"Researcher","foaf:name":[{"@value":"Akira Onoda"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943893382912","@type":"Researcher","foaf:name":[{"@value":"Toshiaki Kamachi"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262943893382916","@type":"Researcher","foaf:name":[{"@value":"Ichiro Okura"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162-0825, Japan, Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, and Department of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi,..."}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00027863"},{"@type":"EISSN","@value":"15205126"}],"prism:publicationName":[{"@value":"Journal of the American Chemical Society"}],"dc:publisher":[{"@value":"American Chemical Society (ACS)"}],"prism:publicationDate":"2009-08-03","prism:volume":"131","prism:number":"33","prism:startingPage":"11719","prism:endingPage":"11726"},"reviewed":"false","url":[{"@id":"https://pubs.acs.org/doi/pdf/10.1021/ja809851d"}],"createdAt":"2009-08-03","modifiedAt":"2023-03-16","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Porphyrins","dc:title":"Porphyrins"},{"@id":"https://cir.nii.ac.jp/all?q=Polymers","dc:title":"Polymers"},{"@id":"https://cir.nii.ac.jp/all?q=Circular%20Dichroism","dc:title":"Circular Dichroism"},{"@id":"https://cir.nii.ac.jp/all?q=Ethylenediamines","dc:title":"Ethylenediamines"},{"@id":"https://cir.nii.ac.jp/all?q=Fluorescence","dc:title":"Fluorescence"},{"@id":"https://cir.nii.ac.jp/all?q=Absorption","dc:title":"Absorption"},{"@id":"https://cir.nii.ac.jp/all?q=Peptides","dc:title":"Peptides"},{"@id":"https://cir.nii.ac.jp/all?q=Fluorescent%20Dyes","dc:title":"Fluorescent Dyes"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004229990025856","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Synthesis and Self‐Assembly of NCN‐Pincer Pd‐Complex‐Bound Norvalines"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004233577137280","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Metal array fabrication based on ultrasound-induced self-assembly of metalated dipeptides"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285708154722048","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Selective Thermal Elongation of Metal–Metal Distances in the Two-Dimensional Assembly of Ag(I) Ions Templated by Assembled Peptide Ligands"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285708585011712","@type":"Article","resourceType":"学術雑誌論文(journal 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