{"id":"https://openalex.org/W2057747031","doi":"https://doi.org/10.1021/ja000738g","title":"Factors Influencing Self-Aggregation Tendencies of Cationic Porphyrins in Aqueous Solution","display_name":"Factors Influencing Self-Aggregation Tendencies of Cationic Porphyrins in Aqueous Solution","publication_year":2000,"publication_date":"2000-07-21","ids":{"openalex":"https://openalex.org/W2057747031","doi":"https://doi.org/10.1021/ja000738g","mag":"2057747031"},"language":"en","primary_location":{"id":"doi:10.1021/ja000738g","doi":"https://doi.org/10.1021/ja000738g","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ja000738g","pdf_url":null,"source":{"id":"https://openalex.org/S111155417","display_name":"Journal of the American Chemical Society","issn_l":"0002-7863","issn":["0002-7863","1520-5126","1943-2984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Chemical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102106980","display_name":"Koji Kano","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118020396","display_name":"Swarthmore College","ror":"https://ror.org/012dg8a96","country_code":"US","type":"education","lineage":["https://openalex.org/I118020396"]},{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Koji Kano","raw_affiliation_strings":["Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081","institution_ids":["https://openalex.org/I118020396","https://openalex.org/I133984924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037089352","display_name":"Kazuya Fukuda","orcid":"https://orcid.org/0000-0002-4355-1545","observed_orcids":["https://orcid.org/0000-0002-4355-1545"]},"institutions":[{"id":"https://openalex.org/I118020396","display_name":"Swarthmore College","ror":"https://ror.org/012dg8a96","country_code":"US","type":"education","lineage":["https://openalex.org/I118020396"]},{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Kazuya Fukuda","raw_affiliation_strings":["Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081","institution_ids":["https://openalex.org/I118020396","https://openalex.org/I133984924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002204056","display_name":"Hideo Wakami","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118020396","display_name":"Swarthmore College","ror":"https://ror.org/012dg8a96","country_code":"US","type":"education","lineage":["https://openalex.org/I118020396"]},{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Hideo Wakami","raw_affiliation_strings":["Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081","institution_ids":["https://openalex.org/I118020396","https://openalex.org/I133984924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081615797","display_name":"Ryuhei Nishiyabu","orcid":"https://orcid.org/0000-0002-2351-1917","observed_orcids":["https://orcid.org/0000-0002-2351-1917"]},"institutions":[{"id":"https://openalex.org/I118020396","display_name":"Swarthmore College","ror":"https://ror.org/012dg8a96","country_code":"US","type":"education","lineage":["https://openalex.org/I118020396"]},{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Ryuhei Nishiyabu","raw_affiliation_strings":["Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081","institution_ids":["https://openalex.org/I118020396","https://openalex.org/I133984924"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037954508","display_name":"Robert F. Pasternack","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118020396","display_name":"Swarthmore College","ror":"https://ror.org/012dg8a96","country_code":"US","type":"education","lineage":["https://openalex.org/I118020396"]},{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Robert F. Pasternack","raw_affiliation_strings":["Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Contribution from the Department of Molecular Science and Technology, Faculty of Engineering, Doshisha University, Kyotanabe 610-0321, Japan, and Department of Chemistry, Swarthmore College, Swarthmore, Pennsylvania 19081","institution_ids":["https://openalex.org/I118020396","https://openalex.org/I133984924"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":10.0785,"has_fulltext":false,"cited_by_count":327,"citation_normalized_percentile":{"value":0.98973555,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"122","issue":"31","first_page":"7494","last_page":"7502"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10903","display_name":"Porphyrin and Phthalocyanine Chemistry","score":0.9824000000953674,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10903","display_name":"Porphyrin and Phthalocyanine Chemistry","score":0.9824000000953674,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10721","display_name":"Surfactants and Colloidal Systems","score":0.01209999993443489,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11419","display_name":"Supramolecular Self-Assembly in Materials","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cationic-porphyrins","display_name":"cationic porphyrins","score":0.9850000143051147},{"id":"https://openalex.org/keywords/self-aggregation","display_name":"self-aggregation","score":0.9620000123977661},{"id":"https://openalex.org/keywords/aqueous-solutions","display_name":"aqueous solutions","score":0.6919999718666077},{"id":"https://openalex.org/keywords/dimerization","display_name":"dimerization","score":0.7789999842643738},{"id":"https://openalex.org/keywords/thermodynamic-parameters","display_name":"thermodynamic parameters","score":0.5899999737739563},{"id":"https://openalex.org/keywords/van-der-waals-forces","display_name":"van der Waals interactions","score":0.8199999928474426},{"id":"https://openalex.org/keywords/hydrophobic-interactions","display_name":"hydrophobic interactions","score":0.9700000286102295},{"id":"https://openalex.org/keywords/electrostatic-repulsion","display_name":"electrostatic repulsion","score":0.968999981880188},{"id":"https://openalex.org/keywords/crystal-lattice","display_name":"crystal lattice","score":0.5559999942779541},{"id":"https://openalex.org/keywords/alkyl-chain-length","display_name":"alkyl chain length","score":0.9279999732971191},{"id":"https://openalex.org/keywords/potassium-nitrate","display_name":"potassium nitrate","score":0.5440000295639038}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9480483531951904},{"id":"https://openalex.org/C2779546866","wikidata":"https://www.wikidata.org/wiki/Q531306","display_name":"Dimer","level":2,"score":0.8184324502944946},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.7520025968551636},{"id":"https://openalex.org/C183882617","wikidata":"https://www.wikidata.org/wiki/Q3046749","display_name":"Cationic polymerization","level":2,"score":0.7145119309425354},{"id":"https://openalex.org/C2779480358","wikidata":"https://www.wikidata.org/wiki/Q422926","display_name":"Porphyrin","level":2,"score":0.6502941846847534},{"id":"https://openalex.org/C3288061","wikidata":"https://www.wikidata.org/wiki/Q161064","display_name":"Enthalpy","level":2,"score":0.6171826124191284},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.5947898626327515},{"id":"https://openalex.org/C33347731","wikidata":"https://www.wikidata.org/wiki/Q285210","display_name":"Stacking","level":2,"score":0.5790889263153076},{"id":"https://openalex.org/C119824511","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Absorption spectroscopy","level":2,"score":0.4829225242137909},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.3572479784488678},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.33041128516197205},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.24294227361679077},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.145438551902771},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.11254358291625977},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1021/ja000738g","doi":"https://doi.org/10.1021/ja000738g","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ja000738g","pdf_url":null,"source":{"id":"https://openalex.org/S111155417","display_name":"Journal of the American Chemical Society","issn_l":"0002-7863","issn":["0002-7863","1520-5126","1943-2984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Chemical Society","raw_type":"journal-article"},{"id":"pmh:oai:works.swarthmore.edu:fac-chemistry-1118","doi":null,"is_oa":false,"landing_page_url":"https://works.swarthmore.edu/fac-chemistry/119","pdf_url":null,"source":{"id":"https://openalex.org/S4377196506","display_name":"Works - Scholarship, Research, & Creative Expression (Swarthmore College)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I118020396","host_organization_name":"Swarthmore College","host_organization_lineage":["https://openalex.org/I118020396"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Chemistry & Biochemistry Faculty Works","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W28217284","https://openalex.org/W582264522","https://openalex.org/W1965783124","https://openalex.org/W1975326825","https://openalex.org/W1976777101","https://openalex.org/W1986405804","https://openalex.org/W1995715002","https://openalex.org/W1995805015","https://openalex.org/W1996211392","https://openalex.org/W1997843649","https://openalex.org/W2003891853","https://openalex.org/W2008626734","https://openalex.org/W2010350248","https://openalex.org/W2022287054","https://openalex.org/W2036372775","https://openalex.org/W2047607979","https://openalex.org/W2047724673","https://openalex.org/W2050759265","https://openalex.org/W2053866785","https://openalex.org/W2057510939","https://openalex.org/W2058945739","https://openalex.org/W2065129393","https://openalex.org/W2069688935","https://openalex.org/W2071301183","https://openalex.org/W2071416073","https://openalex.org/W2074449639","https://openalex.org/W2080470265","https://openalex.org/W2083023443","https://openalex.org/W2090955202","https://openalex.org/W2091314579","https://openalex.org/W2094279453","https://openalex.org/W2113305715","https://openalex.org/W2297795397","https://openalex.org/W2316816807","https://openalex.org/W2321861877","https://openalex.org/W3139323948","https://openalex.org/W4239691702","https://openalex.org/W4388155256"],"related_works":["https://openalex.org/W2047607979","https://openalex.org/W2333325371","https://openalex.org/W1998662214","https://openalex.org/W2052908097","https://openalex.org/W2135074720","https://openalex.org/W7097514122","https://openalex.org/W2032300216","https://openalex.org/W2020737909","https://openalex.org/W1980369818","https://openalex.org/W2094182904"],"abstract_inverted_index":{"The":[0,23,158,177,363],"self-aggregation":[1,38],"of":[2,13,25,31,142,147,167,184,189,219,226,237,242,258,270,292,296,311,322,369,372],"cationic":[3,214],"porphyrins":[4,43,215,324,374],"in":[5,39,129,201,274,300],"aqueous":[6,130],"solution":[7,131],"has":[8],"been":[9],"studied":[10,216],"by":[11,151,318,333],"means":[12],"absorption,":[14],"1":[15],"H":[16,88,106,264],"NMR,":[17],"and":[18,99,154,313,336,340],"resonance":[19,344],"light":[20,345],"scattering":[21,346],"spectroscopy.":[22],"aim":[24],"the":[26,32,140,187,240,248,268,275,285,290,293,323,367,376],"present":[27,364],"study":[28,365],"is":[29,149,186,282,289],"clarification":[30],"factors":[33],"which":[34],"most":[35],"influence":[36],"porphyrin":[37],"water.":[40],"Cationic":[41],"5,10,15,20-tetrasubstituted":[42],"[PorSub":[44],"4:":[45],"PC3Py":[46,125,148,185],"(Sub":[47,59,71,83,101,228,260],"=":[48,60,72,84,102,120,229,261],"\u2212(CH":[49,61,73,230],"2":[50,62,74,91,93,109,231],")":[51,63,75,92,110,232,266],"3":[52,111,306],"-Py":[53,65,77,94,112],"+":[54,66,78,95,113,119],"Cl":[55,67,79],"-":[56,68,80,97,115],"),":[57,69,81,98,116],"PC5Py":[58,297,312],"5":[64,233,265],"PC7Py":[70,299,314],"7":[76],"TPPOC2Py":[82,326],"p":[85,103],"-C":[86,104],"6":[87,105,263],"4":[89,107],"-O(CH":[90,108],"Br":[96,114],"TPPOC3Py":[100],"where":[117],"Py":[118],"N":[121],"-alkylpyridinium]":[122],"were":[123],"used.":[124],"forms":[126,328],"a":[127,152,190,235,243,253,329,334,341],"dimer":[128,145,182,246,288],"with":[132,164,203,302,355],"or":[133,298,303],"without":[134,304],"an":[135],"added":[136,168],"inorganic":[137],"salt.":[138],"In":[139],"presence":[141],"KNO":[143,169,305],"3,":[144,170],"formation":[146,183,241,371],"dominated":[150],"large":[153,191],"negative":[155],"enthalpy":[156,172],"change.":[157],"entropy":[159],"change":[160],"for":[161,251],"aggregation":[162],"increases":[163],"increasing":[165],"concentrations":[166],"while":[171,256],"changes":[173],"are":[174,353],"almost":[175],"constant.":[176],"thermodynamic":[178],"parameters":[179],"suggest":[180],"that":[181,257,284],"result":[188],"enthalpic":[192],"gain":[193],"due":[194],"to":[195],"extended":[196],"van":[197],"der":[198],"Waals":[199],"interactions,":[200],"cooperation":[202],"enhanced":[204,343,360],"hydrophobic":[205,320],"interactions.":[206],"Electrostatic":[207],"repulsion":[208],"suppresses":[209],"further":[210],"association.":[211],"However,":[212],"other":[213],"show":[217,239],"evidence":[218],"higher":[220,294],"self-aggregate":[221],"formation.":[222],"X-ray":[223],"crystallographic":[224],"studies":[225],"PC5Cl":[227],"-Cl),":[234],"precursor":[236],"PC5Py,":[238],"slipped":[244,286],"face-to-face":[245,271,287,351],"as":[247],"basic":[249],"unit":[250,291],"forming":[252],"crystal":[254],"lattice,":[255],"TPP":[259],"\u2212C":[262],"indicates":[267],"absence":[269],"stacking":[272],"interaction":[273,321],"crystals.":[276],"Judging":[277],"from":[278],"these":[279,357],"results,":[280],"it":[281],"assumed":[283],"self-aggregates":[295,349],"water":[301],".":[307],"Elongated":[308],"alkyl":[309],"chains":[310],"may":[315],"be":[316],"responsible":[317],"enhancing":[319],"studied.":[325],"alone":[327],"J":[330],"-aggregate,":[331],"characterized":[332],"sharp":[335],"red-shifted":[337],"Soret":[338],"band":[339],"strongly":[342],"signal.":[347],"Higher":[348],"having":[350],"arrangement":[352],"formed":[354],"TPPOC3Py;":[356],"provide":[358],"no":[359],"RLS":[361],"feature.":[362],"reveals":[366],"dependence":[368],"aggregate":[370],"water-soluble":[373],"on":[375],"peripheral":[377],"meso-substituents.":[378]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":14}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}