{"id":"https://openalex.org/W2092273113","doi":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","title":"Artificial Photoaging of Triterpenes Studied by Graphite-Assisted Laser Desorption/Ionization Mass Spectrometry","display_name":"Artificial Photoaging of Triterpenes Studied by Graphite-Assisted Laser Desorption/Ionization Mass Spectrometry","publication_year":2000,"publication_date":"2000-08-09","ids":{"openalex":"https://openalex.org/W2092273113","doi":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","mag":"2092273113"},"language":"en","primary_location":{"id":"doi:10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","doi":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","is_oa":true,"landing_page_url":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/1522-2675%2820000809%2983%3A8%3C1766%3A%3AAID-HLCA1766%3E3.0.CO%3B2-X","source":{"id":"https://openalex.org/S181847678","display_name":"Helvetica Chimica Acta","issn_l":"0018-019X","issn":["0018-019X","1522-2675"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Helvetica Chimica Acta","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/1522-2675%2820000809%2983%3A8%3C1766%3A%3AAID-HLCA1766%3E3.0.CO%3B2-X","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057635112","display_name":"Patrick Dietemann","orcid":"https://orcid.org/0000-0002-0931-2946","observed_orcids":["https://orcid.org/0000-0002-0931-2946"]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Patrick Dietemann","raw_affiliation_strings":["Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081462291","display_name":"Michael J. Edelmann","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Michael\u2005J. Edelmann","raw_affiliation_strings":["Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054250791","display_name":"Christian Meisterhans","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Christian Meisterhans","raw_affiliation_strings":["Organisch-chemisches Institut der Universita\u0308t Zu\u0308rich, Winterthurerstrasse 190, CH-8057 Zu\u0308rich","Organisch\u2010Chemisches Institut der Universit\u00e4t Z\u00fcrich, Winterthurerstrasse 190, CH\u20108057 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Organisch-chemisches Institut der Universita\u0308t Zu\u0308rich, Winterthurerstrasse 190, CH-8057 Zu\u0308rich","institution_ids":["https://openalex.org/I202697423","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Organisch\u2010Chemisches Institut der Universit\u00e4t Z\u00fcrich, Winterthurerstrasse 190, CH\u20108057 Z\u00fcrich","institution_ids":["https://openalex.org/I202697423","https://openalex.org/I4405255184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060487830","display_name":"Corina Pfeiffer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Corina Pfeiffer","raw_affiliation_strings":["Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078879241","display_name":"Stefan Zumb\u00fchl","orcid":"https://orcid.org/0000-0002-8896-2938","observed_orcids":["https://orcid.org/0000-0002-8896-2938"]},"institutions":[{"id":"https://openalex.org/I130692619","display_name":"Bern University of Applied Sciences","ror":"https://ror.org/02bnkt322","country_code":"CH","type":"education","lineage":["https://openalex.org/I130692619"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Stefan Zumb\u00fchl","raw_affiliation_strings":["Berner Fachhochschule, Studerstrasse 56, CH-3004 Bern"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Berner Fachhochschule, Studerstrasse 56, CH-3004 Bern","institution_ids":["https://openalex.org/I130692619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066508058","display_name":"Richard Knochenmuss","orcid":"https://orcid.org/0000-0002-9701-2045","observed_orcids":["https://orcid.org/0000-0002-9701-2045"]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Richard Knochenmuss","raw_affiliation_strings":["Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001571695","display_name":"Renato Zenobi","orcid":"https://orcid.org/0000-0001-5211-4358","observed_orcids":["https://orcid.org/0000-0001-5211-4358"]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4405255184","display_name":"Laboratory of Organic Chemistry","ror":"https://ror.org/02q73ep21","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Renato Zenobi","raw_affiliation_strings":["Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorium fu\u0308r Organische Chemie, ETH-Zentrum, Universita\u0308tstrasse 16, CH-8092 Zu\u0308rich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]},{"raw_affiliation_string":"Laboratorium f\u00fcr Organische Chemie, ETH\u2010Zentrum, Universit\u00e4tstrasse 16, CH\u20108092 Z\u00fcrich","institution_ids":["https://openalex.org/I35440088","https://openalex.org/I4405255184"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4030,"currency":"USD","value_usd":4030},"apc_paid":null,"fwci":25.4612,"has_fulltext":true,"cited_by_count":39,"citation_normalized_percentile":{"value":0.99254364,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"83","issue":"8","first_page":"1766","last_page":"1777"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11212","display_name":"Cultural Heritage Materials Analysis","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11212","display_name":"Cultural Heritage Materials Analysis","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10683","display_name":"Mass Spectrometry Techniques and Applications","score":0.0013000000035390258,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T12981","display_name":"Conservation Techniques and Studies","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1206","display_name":"Conservation"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/triterpenoids","display_name":"triterpenoids","score":0.9679999947547913},{"id":"https://openalex.org/keywords/photoaging","display_name":"photoaging","score":0.9269999861717224},{"id":"https://openalex.org/keywords/oxidation","display_name":"oxidation","score":0.609000027179718},{"id":"https://openalex.org/keywords/natural-resins","display_name":"natural resins","score":0.8640000224113464},{"id":"https://openalex.org/keywords/yellowing","display_name":"yellowing","score":0.6890000104904175},{"id":"https://openalex.org/keywords/degradation-products","display_name":"degradation products","score":0.48399999737739563}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9048004150390625},{"id":"https://openalex.org/C44937612","wikidata":"https://www.wikidata.org/wiki/Q212364","display_name":"Terpene","level":2,"score":0.9007265567779541},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.6894577741622925},{"id":"https://openalex.org/C162711632","wikidata":"https://www.wikidata.org/wiki/Q905514","display_name":"Desorption","level":3,"score":0.5299392938613892},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.44324690103530884},{"id":"https://openalex.org/C40325409","wikidata":"https://www.wikidata.org/wiki/Q2360668","display_name":"Mass spectrum","level":3,"score":0.4228067100048065},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.26505929231643677},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.07559546828269958}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","doi":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","is_oa":true,"landing_page_url":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/1522-2675%2820000809%2983%3A8%3C1766%3A%3AAID-HLCA1766%3E3.0.CO%3B2-X","source":{"id":"https://openalex.org/S181847678","display_name":"Helvetica Chimica Acta","issn_l":"0018-019X","issn":["0018-019X","1522-2675"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Helvetica Chimica Acta","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","doi":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","is_oa":true,"landing_page_url":"https://doi.org/10.1002/1522-2675(20000809)83:8<1766::aid-hlca1766>3.0.co;2-x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/1522-2675%2820000809%2983%3A8%3C1766%3A%3AAID-HLCA1766%3E3.0.CO%3B2-X","source":{"id":"https://openalex.org/S181847678","display_name":"Helvetica Chimica Acta","issn_l":"0018-019X","issn":["0018-019X","1522-2675"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Helvetica Chimica Acta","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1756315983","display_name":"Two-Step laser mass spectrometry","funder_award_id":"52422","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320320924","display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","ror":"https://ror.org/00yjd3n13"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2092273113.pdf","grobid_xml":"https://content.openalex.org/works/W2092273113.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7098049550","https://openalex.org/W2089348827","https://openalex.org/W2051779310","https://openalex.org/W2767911245","https://openalex.org/W1973897586","https://openalex.org/W2165451771","https://openalex.org/W2005824497","https://openalex.org/W1963672596","https://openalex.org/W2080663973","https://openalex.org/W2059863595"],"abstract_inverted_index":{"Seven":[0],"triterpenes":[1,21,41,119,164,193],"were":[2,50,138,150],"selected":[3],"for":[4,27,52],"study":[5],"of":[6,39,45,73,78,88,93,99,117,136,162,173,190],"their":[7,53],"photoaging":[8],"behavior":[9,116],"by":[10,85,198],"graphite-assisted":[11],"laser-desorption/ionization":[12],"mass":[13,83,91],"spectrometry":[14],"as":[15,23,34],"the":[16,40,65,82,86,110,118,134,142,155,166,191],"primary":[17],"analytical":[18],"tool.":[19],"The":[20,113],"serve":[22],"simplified":[24],"reference":[25],"systems":[26],"complex":[28],"triterpenoid":[29],"resins,":[30],"which":[31],"are":[32,42],"used":[33],"varnishes":[35,178],"on":[36,64,141,179],"paintings.":[37],"Some":[38],"main":[43],"components":[44],"such":[46],"natural":[47],"resins;":[48],"others":[49],"chosen":[51],"particular":[54],"functional":[55,143],"groups":[56,149],"or":[57],"carbon":[58],"skeleton":[59],"to":[60,104,123,177,183,186],"evaluate":[61],"specific":[62],"influences":[63],"aging":[66,69,100,115,174],"process.":[67],"Progressive":[68],"resulted":[70],"in":[71,81,129,133],"incorporation":[72],"oxygen":[74],"and":[75,95,194],"simultaneous":[76],"loss":[77],"hydrogen,":[79],"recognizable":[80],"spectra":[84],"appearance":[87],"signals":[89],"with":[90,106,146,175],"increments":[92],"14":[94],"16":[96],"Da.":[97],"Degradation":[98],"products":[101],"also":[102],"led":[103],"compounds":[105],"lower":[107],"masses":[108],"than":[109,158],"initial":[111,192],"triterpenes.":[112],"general":[114,188],"studied":[120],"was":[121,181,195],"found":[122,182],"be":[124,184],"rather":[125],"similar,":[126],"although":[127],"differences":[128],"reactivity,":[130],"and,":[131],"therefore,":[132],"extent":[135],"oxidation":[137],"found,":[139],"depending":[140],"groups.":[144],"Compounds":[145],"aliphatic":[147],"ketone":[148],"much":[151],"more":[152],"reactive":[153],"under":[154],"test":[156],"conditions":[157],"others.":[159],"A":[160],"mixture":[161],"five":[163],"showed":[165],"highest":[167],"reactivity.":[168],"Yellowing,":[169],"an":[170],"important":[171],"aspect":[172],"regard":[176],"paintings,":[180],"related":[185],"a":[187,199],"breakdown":[189],"not":[196],"caused":[197],"single":[200],"compound.":[201]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2016-06-24T00:00:00"}
