{"id":"https://openalex.org/W2017240532","doi":"https://doi.org/10.1016/j.chroma.2009.09.066","title":"Gas chromatographic quantitative structure\u2013retention relationships of trimethylsilylated anabolic androgenic steroids by multiple linear regression and partial least squares","display_name":"Gas chromatographic quantitative structure\u2013retention relationships of trimethylsilylated anabolic androgenic steroids by multiple linear regression and partial least squares","publication_year":2009,"publication_date":"2009-10-03","ids":{"openalex":"https://openalex.org/W2017240532","doi":"https://doi.org/10.1016/j.chroma.2009.09.066","mag":"2017240532","pmid":"https://pubmed.ncbi.nlm.nih.gov/19836752"},"language":"en","primary_location":{"id":"doi:10.1016/j.chroma.2009.09.066","doi":"https://doi.org/10.1016/j.chroma.2009.09.066","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chroma.2009.09.066","pdf_url":null,"source":{"id":"https://openalex.org/S176136234","display_name":"Journal of Chromatography A","issn_l":"0021-9673","issn":["0021-9673","1873-3778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chromatography A","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"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/A5084893708","display_name":"Argyro G. Fragkaki","orcid":"https://orcid.org/0000-0002-9422-670X","observed_orcids":["https://orcid.org/0000-0002-9422-670X"]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]},{"id":"https://openalex.org/I2799670475","display_name":"Olympic Athletic Center of Athens \"Spiros Louis\"","ror":"https://ror.org/02ds0wa60","country_code":"GR","type":"other","lineage":["https://openalex.org/I2799670475"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"A.G. Fragkaki","raw_affiliation_strings":["Doping Control Laboratory of Athens, Olympic Athletic Center of Athens Spyros Louis, 15123 Maroussi, Greece","Laboratory of Analytical Chemistry, Department of Chemistry, University of Athens, Panepistimioupolis, Zografou, 15771 Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Doping Control Laboratory of Athens, Olympic Athletic Center of Athens Spyros Louis, 15123 Maroussi, Greece","institution_ids":["https://openalex.org/I2799670475"]},{"raw_affiliation_string":"Laboratory of Analytical Chemistry, Department of Chemistry, University of Athens, Panepistimioupolis, Zografou, 15771 Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024412447","display_name":"Anna Tsantili\u2010Kakoulidou","orcid":"https://orcid.org/0000-0002-1001-1243","observed_orcids":["https://orcid.org/0000-0002-1001-1243"]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"A. Tsantili-Kakoulidou","raw_affiliation_strings":["Department of Pharmaceutical Chemistry, School of Pharmacy, University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pharmaceutical Chemistry, School of Pharmacy, University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012321699","display_name":"Yiannis S. Angelis","orcid":"https://orcid.org/0000-0001-8773-1575","observed_orcids":["https://orcid.org/0000-0001-8773-1575"]},"institutions":[{"id":"https://openalex.org/I2799670475","display_name":"Olympic Athletic Center of Athens \"Spiros Louis\"","ror":"https://ror.org/02ds0wa60","country_code":"GR","type":"other","lineage":["https://openalex.org/I2799670475"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Y.S. Angelis","raw_affiliation_strings":["Doping Control Laboratory of Athens, Olympic Athletic Center of Athens \u201cSpyros Louis\u201d, Kifisias 37, 15123 Maroussi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Doping Control Laboratory of Athens, Olympic Athletic Center of Athens \u201cSpyros Louis\u201d, Kifisias 37, 15123 Maroussi, Greece","institution_ids":["https://openalex.org/I2799670475"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110904233","display_name":"Michael \u0391. Koupparis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"M. Koupparis","raw_affiliation_strings":["Laboratory of Analytical Chemistry, Department of Chemistry, University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Analytical Chemistry, Department of Chemistry, University of Athens, Panepistimioupolis Zografou, 15771 Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075169564","display_name":"Costas G. Georgakopoulos","orcid":"https://orcid.org/0000-0001-5744-1243","observed_orcids":["https://orcid.org/0000-0001-5744-1243"]},"institutions":[{"id":"https://openalex.org/I2799670475","display_name":"Olympic Athletic Center of Athens \"Spiros Louis\"","ror":"https://ror.org/02ds0wa60","country_code":"GR","type":"other","lineage":["https://openalex.org/I2799670475"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"C. Georgakopoulos","raw_affiliation_strings":["Doping Control Laboratory of Athens, Olympic Athletic Center of Athens \u201cSpyros Louis\u201d, Kifisias 37, 15123 Maroussi, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Doping Control Laboratory of Athens, Olympic Athletic Center of Athens \u201cSpyros Louis\u201d, Kifisias 37, 15123 Maroussi, Greece","institution_ids":["https://openalex.org/I2799670475"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4040,"currency":"USD","value_usd":4040},"apc_paid":null,"fwci":3.839,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.92646847,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"1216","issue":"47","first_page":"8404","last_page":"8420"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","score":0.4341000020503998,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical 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/T10908","display_name":"Analytical Chemistry and Chromatography","score":0.4341000020503998,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical 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/T10211","display_name":"Computational Drug Discovery Methods","score":0.38960000872612,"subfield":{"id":"https://openalex.org/subfields/3002","display_name":"Drug Discovery"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10800","display_name":"Forensic Toxicology and Drug Analysis","score":0.06350000202655792,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/quantitative-structure-retention-relationship","display_name":"quantitative structure-retention relationship","score":0.8679999709129333},{"id":"https://openalex.org/keywords/anabolic-androgenic-steroids","display_name":"anabolic steroids","score":0.9190000295639038},{"id":"https://openalex.org/keywords/trimethylsilyl-derivatives","display_name":"trimethylsilyl derivatives","score":0.859000027179718},{"id":"https://openalex.org/keywords/designer-steroids","display_name":"designer steroids","score":0.5950000286102295},{"id":"https://openalex.org/keywords/topological-indices","display_name":"topological indices","score":0.7860000133514404},{"id":"https://openalex.org/keywords/3d-molecular-descriptors","display_name":"3D molecular descriptors","score":0.8460000157356262},{"id":"https://openalex.org/keywords/physicochemical-descriptors","display_name":"physicochemical descriptors","score":0.9950000047683716},{"id":"https://openalex.org/keywords/gc-tof-ms","display_name":"GC-TOF-MS","score":0.7250000238418579},{"id":"https://openalex.org/keywords/multiple-linear-regression","display_name":"multiple linear regression","score":0.7239999771118164},{"id":"https://openalex.org/keywords/partial-least-squares","display_name":"partial least squares","score":1.0}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9236415028572083},{"id":"https://openalex.org/C22354355","wikidata":"https://www.wikidata.org/wiki/Q422009","display_name":"Partial least squares regression","level":2,"score":0.778795599937439},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.7524903416633606},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.5741856098175049},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.5692826509475708},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.4851244390010834},{"id":"https://openalex.org/C123460561","wikidata":"https://www.wikidata.org/wiki/Q677065","display_name":"Gas chromatography","level":2,"score":0.4630449414253235},{"id":"https://openalex.org/C3020018676","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Retention time","level":2,"score":0.461215615272522},{"id":"https://openalex.org/C74887250","wikidata":"https://www.wikidata.org/wiki/Q3455892","display_name":"Principal component regression","level":3,"score":0.4441569447517395},{"id":"https://openalex.org/C164923092","wikidata":"https://www.wikidata.org/wiki/Q3705921","display_name":"Molecular descriptor","level":3,"score":0.41395947337150574},{"id":"https://openalex.org/C164126121","wikidata":"https://www.wikidata.org/wiki/Q766383","display_name":"Quantitative structure\u2013activity relationship","level":2,"score":0.2831125855445862},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.13319659233093262},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11828270554542542},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.05791616439819336}],"mesh":[{"descriptor_ui":"D000737","descriptor_name":"Androstenols","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004300","descriptor_name":"Doping in Sports","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008401","descriptor_name":"Gas Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D014297","descriptor_name":"Trimethylsilyl Compounds","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D015198","descriptor_name":"Designer Drugs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016014","descriptor_name":"Linear Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016018","descriptor_name":"Least-Squares Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D021281","descriptor_name":"Quantitative Structure-Activity Relationship","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D025341","descriptor_name":"Principal Component Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D045930","descriptor_name":"Anabolic Agents","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.chroma.2009.09.066","doi":"https://doi.org/10.1016/j.chroma.2009.09.066","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chroma.2009.09.066","pdf_url":null,"source":{"id":"https://openalex.org/S176136234","display_name":"Journal of Chromatography A","issn_l":"0021-9673","issn":["0021-9673","1873-3778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Chromatography A","raw_type":"journal-article"},{"id":"pmid:19836752","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19836752","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of chromatography. A","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321049","display_name":"World Anti-Doping Agency","ror":"https://ror.org/00v3jqn19"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W624275210","https://openalex.org/W1553140257","https://openalex.org/W1556706599","https://openalex.org/W1567533735","https://openalex.org/W1585772109","https://openalex.org/W1968857837","https://openalex.org/W1978202787","https://openalex.org/W1987099679","https://openalex.org/W1999509712","https://openalex.org/W2004935186","https://openalex.org/W2005617509","https://openalex.org/W2009051737","https://openalex.org/W2011072129","https://openalex.org/W2019447412","https://openalex.org/W2026561706","https://openalex.org/W2028850970","https://openalex.org/W2032916484","https://openalex.org/W2049659614","https://openalex.org/W2073503722","https://openalex.org/W2092731111","https://openalex.org/W2116863556","https://openalex.org/W2146145065","https://openalex.org/W2150562758","https://openalex.org/W2508114108","https://openalex.org/W2798187986","https://openalex.org/W3142152711","https://openalex.org/W3146425672","https://openalex.org/W4211110396","https://openalex.org/W4251746773","https://openalex.org/W6601297212"],"related_works":["https://openalex.org/W1973654982","https://openalex.org/W2051940283","https://openalex.org/W2092731111","https://openalex.org/W2116863556","https://openalex.org/W2009051737","https://openalex.org/W2034148514","https://openalex.org/W7033484409","https://openalex.org/W1175450072","https://openalex.org/W1993211589","https://openalex.org/W2400048346"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":9}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}