{"id":"https://openalex.org/W2087205759","doi":"https://doi.org/10.1021/la010231z","title":"Size, Hydration, and Shape of SDS/Heptane Micelles Investigated by Time-Resolved Fluorescence Quenching and Electron Spin Resonance","display_name":"Size, Hydration, and Shape of SDS/Heptane Micelles Investigated by Time-Resolved Fluorescence Quenching and Electron Spin Resonance","publication_year":2001,"publication_date":"2001-10-01","ids":{"openalex":"https://openalex.org/W2087205759","doi":"https://doi.org/10.1021/la010231z","mag":"2087205759"},"language":"en","primary_location":{"id":"doi:10.1021/la010231z","doi":"https://doi.org/10.1021/la010231z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/la010231z","pdf_url":null,"source":{"id":"https://openalex.org/S75741262","display_name":"Langmuir","issn_l":"0743-7463","issn":["0743-7463","1520-5827"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","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":"Langmuir","raw_type":"journal-article"},"volume":null,"type":"article","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/A5016708417","display_name":"Radha Ranganathan","orcid":"https://orcid.org/0000-0002-7714-2483","observed_orcids":["https://orcid.org/0000-0002-7714-2483"]},"institutions":[{"id":"https://openalex.org/I157638225","display_name":"California State University, Northridge","ror":"https://ror.org/005f5hv41","country_code":"US","type":"education","lineage":["https://openalex.org/I157638225"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Radha Ranganathan","raw_affiliation_strings":["Department of Physics, California State University Northridge (CSUN), Northridge, California 91330"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, California State University Northridge (CSUN), Northridge, California 91330","institution_ids":["https://openalex.org/I157638225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055187609","display_name":"Miroslav Peri\u0107","orcid":"https://orcid.org/0000-0001-7602-842X","observed_orcids":["https://orcid.org/0000-0001-7602-842X"]},"institutions":[{"id":"https://openalex.org/I157638225","display_name":"California State University, Northridge","ror":"https://ror.org/005f5hv41","country_code":"US","type":"education","lineage":["https://openalex.org/I157638225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Miroslav Peric","raw_affiliation_strings":["Department of Physics, California State University Northridge (CSUN), Northridge, California 91330"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, California State University Northridge (CSUN), Northridge, California 91330","institution_ids":["https://openalex.org/I157638225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071941814","display_name":"R. Garrido Medina","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157638225","display_name":"California State University, Northridge","ror":"https://ror.org/005f5hv41","country_code":"US","type":"education","lineage":["https://openalex.org/I157638225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rosa Medina","raw_affiliation_strings":["Department of Physics, California State University Northridge (CSUN), Northridge, California 91330"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, California State University Northridge (CSUN), Northridge, California 91330","institution_ids":["https://openalex.org/I157638225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057972252","display_name":"U. Caldi\u00f1o Garc\u0131\u0301a","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157638225","display_name":"California State University, Northridge","ror":"https://ror.org/005f5hv41","country_code":"US","type":"education","lineage":["https://openalex.org/I157638225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ulises Garcia","raw_affiliation_strings":["Department of Physics, California State University Northridge (CSUN), Northridge, California 91330"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, California State University Northridge (CSUN), Northridge, California 91330","institution_ids":["https://openalex.org/I157638225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015234266","display_name":"Barney L. Bales","orcid":"https://orcid.org/0000-0002-0187-467X","observed_orcids":["https://orcid.org/0000-0002-0187-467X"]},"institutions":[{"id":"https://openalex.org/I157638225","display_name":"California State University, Northridge","ror":"https://ror.org/005f5hv41","country_code":"US","type":"education","lineage":["https://openalex.org/I157638225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Barney L. Bales","raw_affiliation_strings":["Department of Physics, California State University Northridge (CSUN), Northridge, California 91330"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, California State University Northridge (CSUN), Northridge, California 91330","institution_ids":["https://openalex.org/I157638225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025789608","display_name":"Mats Almgren","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mats Almgren","raw_affiliation_strings":["Department of Physical Chemistry, Uppsala University, Uppsala, S-75121, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physical Chemistry, Uppsala University, Uppsala, S-75121, Sweden","institution_ids":["https://openalex.org/I123387679"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5016708417"],"corresponding_institution_ids":["https://openalex.org/I157638225"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":1.6085,"has_fulltext":false,"cited_by_count":45,"citation_normalized_percentile":{"value":0.80406756,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"17","issue":"22","first_page":"6765","last_page":"6770"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10721","display_name":"Surfactants and Colloidal Systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10721","display_name":"Surfactants and Colloidal Systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T10405","display_name":"Advanced Polymer Synthesis and Characterization","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T13092","display_name":"Environmental Chemistry and Analysis","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sodium-dodecyl-sulfate","display_name":"sodium dodecyl sulfate","score":0.9049999713897705},{"id":"https://openalex.org/keywords/n-heptane","display_name":"n-heptane","score":0.9179999828338623},{"id":"https://openalex.org/keywords/micelles","display_name":"micelles","score":0.6579999923706055},{"id":"https://openalex.org/keywords/micelle-hydration","display_name":"micelle hydration","score":0.5609999895095825},{"id":"https://openalex.org/keywords/micelle-shape","display_name":"micelle shape","score":0.6660000085830688},{"id":"https://openalex.org/keywords/aggregation-number","display_name":"aggregation number","score":0.8349999785423279},{"id":"https://openalex.org/keywords/sodium-chloride","display_name":"sodium chloride","score":0.7730000019073486},{"id":"https://openalex.org/keywords/core-shell-model","display_name":"core-shell model","score":0.734000027179718},{"id":"https://openalex.org/keywords/sphere-to-rod-transition","display_name":"sphere-to-rod transition","score":0.7480000257492065},{"id":"https://openalex.org/keywords/electron-spin-resonance","display_name":"electron spin resonance","score":0.9869999885559082}],"concepts":[{"id":"https://openalex.org/C11268172","wikidata":"https://www.wikidata.org/wiki/Q421110","display_name":"Micelle","level":3,"score":0.9193394184112549},{"id":"https://openalex.org/C2777854178","wikidata":"https://www.wikidata.org/wiki/Q150668","display_name":"Heptane","level":2,"score":0.8265895843505859},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8179280757904053},{"id":"https://openalex.org/C167092891","wikidata":"https://www.wikidata.org/wiki/Q4692261","display_name":"Aggregation number","level":5,"score":0.6539967060089111},{"id":"https://openalex.org/C121745418","wikidata":"https://www.wikidata.org/wiki/Q585536","display_name":"Quenching (fluorescence)","level":3,"score":0.6136146783828735},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.5181013941764832},{"id":"https://openalex.org/C537181965","wikidata":"https://www.wikidata.org/wiki/Q658","display_name":"Sodium","level":2,"score":0.45291730761528015},{"id":"https://openalex.org/C149823470","wikidata":"https://www.wikidata.org/wiki/Q1088326","display_name":"Solvation shell","level":4,"score":0.4349004626274109},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.3861187994480133},{"id":"https://openalex.org/C64237528","wikidata":"https://www.wikidata.org/wiki/Q607000","display_name":"Critical micelle concentration","level":4,"score":0.33066198229789734},{"id":"https://openalex.org/C91881484","wikidata":"https://www.wikidata.org/wiki/Q191807","display_name":"Fluorescence","level":2,"score":0.2771083414554596},{"id":"https://openalex.org/C148093993","wikidata":"https://www.wikidata.org/wiki/Q739398","display_name":"Solvation","level":3,"score":0.26036083698272705},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.2035989761352539},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.1912056803703308},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.18249237537384033},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.15032193064689636},{"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/la010231z","doi":"https://doi.org/10.1021/la010231z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/la010231z","pdf_url":null,"source":{"id":"https://openalex.org/S75741262","display_name":"Langmuir","issn_l":"0743-7463","issn":["0743-7463","1520-5827"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-100","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":"Langmuir","raw_type":"journal-article"},{"id":"pmh:oai:scholarworks.calstate.edu:10211.3/197348","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10211.3/197348","pdf_url":null,"source":{"id":"https://openalex.org/S7407064448","display_name":"California State University ScholarWorks (system-wide DSpace)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1966319148","https://openalex.org/W1971898154","https://openalex.org/W1976474974","https://openalex.org/W1978200933","https://openalex.org/W1979913780","https://openalex.org/W1983461387","https://openalex.org/W1994193431","https://openalex.org/W2004525291","https://openalex.org/W2009918918","https://openalex.org/W2025331219","https://openalex.org/W2033336544","https://openalex.org/W2034559019","https://openalex.org/W2070570691","https://openalex.org/W2071938500","https://openalex.org/W2092582904","https://openalex.org/W2093133987","https://openalex.org/W2094328121","https://openalex.org/W2106129170","https://openalex.org/W2139626048","https://openalex.org/W2171645066","https://openalex.org/W2314766586","https://openalex.org/W2338817029","https://openalex.org/W2346866458"],"related_works":["https://openalex.org/W2035205633","https://openalex.org/W1976474974","https://openalex.org/W2004559435","https://openalex.org/W1986714153","https://openalex.org/W2170566297","https://openalex.org/W2041080089","https://openalex.org/W1969713445","https://openalex.org/W1965414678","https://openalex.org/W2007564889","https://openalex.org/W2064952612"],"abstract_inverted_index":{"Time-resolved":[0],"fluorescence":[1],"quenching":[2],"(TRFQ)":[3],"and":[4,35,106,124,155,166],"electron":[5],"spin":[6],"resonance":[7],"(ESR)":[8],"are":[9,31],"used":[10],"to":[11,71,103],"investigate":[12],"sodium":[13,26,47,115],"dodecyl":[14],"sulfate/heptane":[15],"micelles":[16,52,132],"in":[17,19,63,101,119,134],"water":[18,62],"the":[20,36,58,64,68,89,98,104,120,131,158],"presence":[21,121],"of":[22,25,61,67,97,111,122,140,142,152],"varying":[23],"amounts":[24],"chloride":[27,48,116],"(NaCl).":[28],"Aggregation":[29],"numbers":[30,165],"obtained":[32],"from":[33,39],"TRFQ":[34],"micelle":[37,112,153],"hydration":[38,73,107,143],"ESR.":[40],"At":[41],"any":[42,45],"zero":[43],"or":[44,147],"fixed":[46],"concentration":[49],"\u2264375":[50],"mM,":[51],"grow":[53],"with":[54,114,136,145],"heptane":[55,171],"while":[56],"maintaining":[57],"volume":[59],"fraction":[60],"polar":[65,90],"shell":[66,93],"micelle,":[69],"referred":[70],"as":[72],"index,":[74],"constant.":[75],"Core\u2212shell":[76],"model":[77],"calculations,":[78],"using":[79],"simple":[80],"geometry,":[81],"show":[82],"that":[83,157],"some":[84],"hydrocarbon":[85,100],"density":[86],"extends":[87],"into":[88],"shell.":[91],"The":[92,109,138],"comprises":[94],"about":[95],"15\u221217%":[96],"core":[99],"addition":[102],"headgroups":[105],"water.":[108],"rate":[110,139],"growth":[113],"is":[117,150,172],"smaller":[118],"heptane,":[123],"at":[125,162],"higher":[126,163,167],"salt":[127,168],"concentrations":[128,169],"(>375":[129],"mM),":[130],"decrease":[133],"size":[135],"heptane.":[137],"variation":[141],"index":[144],"[NaCl]":[146],"aggregation":[148,164],"number":[149],"indicative":[151],"shape":[154],"shows":[156],"sphere-to-rod":[159],"transformation":[160],"occurs":[161],"when":[170],"present.":[173]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}