{"id":"https://openalex.org/W1983223909","doi":"https://doi.org/10.1016/j.chroma.2011.04.087","title":"Simultaneous separation and determination of 16 testosterone and nandrolone esters in equine plasma using ultra high performance liquid chromatography\u2013tandem mass spectrometry for doping control","display_name":"Simultaneous separation and determination of 16 testosterone and nandrolone esters in equine plasma using ultra high performance liquid chromatography\u2013tandem mass spectrometry for doping control","publication_year":2011,"publication_date":"2011-05-08","ids":{"openalex":"https://openalex.org/W1983223909","doi":"https://doi.org/10.1016/j.chroma.2011.04.087","mag":"1983223909","pmid":"https://pubmed.ncbi.nlm.nih.gov/21601862"},"language":"en","primary_location":{"id":"doi:10.1016/j.chroma.2011.04.087","doi":"https://doi.org/10.1016/j.chroma.2011.04.087","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chroma.2011.04.087","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/A5012158220","display_name":"Youwen You","orcid":"https://orcid.org/0000-0002-3247-1718","observed_orcids":["https://orcid.org/0000-0002-3247-1718"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Youwen You","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109925371","display_name":"Cornelius E. Uboh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I161171246","display_name":"West Chester University","ror":"https://ror.org/0053n5071","country_code":"US","type":"education","lineage":["https://openalex.org/I161171246"]},{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Cornelius E. Uboh","raw_affiliation_strings":["PA Equine Toxicology & Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA","University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PA Equine Toxicology & Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA","institution_ids":["https://openalex.org/I161171246"]},{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026810796","display_name":"Lawrence R. Soma","orcid":"https://orcid.org/0000-0002-6791-3619","observed_orcids":["https://orcid.org/0000-0002-6791-3619"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lawrence R. Soma","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052665610","display_name":"Fuyu Guan","orcid":"https://orcid.org/0000-0001-7916-0127","observed_orcids":["https://orcid.org/0000-0001-7916-0127"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fuyu Guan","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009451011","display_name":"Xiaoqing Li","orcid":"https://orcid.org/0000-0001-5781-218X","observed_orcids":["https://orcid.org/0000-0001-5781-218X","https://orcid.org/0000-0001-6453-6005"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaoqing Li","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100414488","display_name":"Ying Liu","orcid":"https://orcid.org/0009-0000-7194-2378","observed_orcids":["https://orcid.org/0009-0000-7194-2378"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ying Liu","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111589257","display_name":"Jeffrey A. Rudy","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I161171246","display_name":"West Chester University","ror":"https://ror.org/0053n5071","country_code":"US","type":"education","lineage":["https://openalex.org/I161171246"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey A. Rudy","raw_affiliation_strings":["PA Equine Toxicology & Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA","PA Equine Toxicology and Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PA Equine Toxicology & Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA","institution_ids":["https://openalex.org/I161171246"]},{"raw_affiliation_string":"PA Equine Toxicology and Research Center, West Chester University, 220 East Rosedale Avenue, West Chester, PA 19382, USA","institution_ids":["https://openalex.org/I161171246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074257037","display_name":"Jinwen Chen","orcid":"https://orcid.org/0000-0002-8413-2187","observed_orcids":["https://orcid.org/0000-0002-8413-2187"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinwen Chen","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079810527","display_name":"Deborah S. Tsang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Deborah Tsang","raw_affiliation_strings":["University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, School of Veterinary Medicine, New Bolton Center Campus, Kennett Square, PA 19348, USA","institution_ids":["https://openalex.org/I79576946"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5109925371"],"corresponding_institution_ids":["https://openalex.org/I161171246","https://openalex.org/I79576946"],"apc_list":{"value":4040,"currency":"USD","value_usd":4040},"apc_paid":null,"fwci":8.3467,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.96752298,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"1218","issue":"26","first_page":"3982","last_page":"3993"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12700","display_name":"Doping in Sports","score":0.9624000191688538,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12700","display_name":"Doping in Sports","score":0.9624000191688538,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13338","display_name":"Pharmacological Effects and Assays","score":0.021800000220537186,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11423","display_name":"Pesticide Residue Analysis and Safety","score":0.005100000184029341,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/testosterone-esters","display_name":"testosterone esters","score":0.9950000047683716},{"id":"https://openalex.org/keywords/equine-plasma","display_name":"equine plasma","score":0.8640000224113464},{"id":"https://openalex.org/keywords/doping-control","display_name":"doping control","score":0.9010000228881836},{"id":"https://openalex.org/keywords/racehorses","display_name":"racehorses","score":0.8820000290870667},{"id":"https://openalex.org/keywords/liquid-liquid-extraction","display_name":"liquid-liquid extraction","score":0.7129999995231628},{"id":"https://openalex.org/keywords/deuterated-internal-standards","display_name":"deuterated internal standards","score":0.7929999828338623},{"id":"https://openalex.org/keywords/multiple-reaction-monitoring","display_name":"multiple reaction monitoring","score":0.7910000085830688},{"id":"https://openalex.org/keywords/uhplc-ms-ms-method-validation","display_name":"UHPLC-MS/MS method validation","score":0.7310000061988831}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9410672187805176},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.8788281679153442},{"id":"https://openalex.org/C2779480814","wikidata":"https://www.wikidata.org/wiki/Q421709","display_name":"Nandrolone","level":3,"score":0.6990006566047668},{"id":"https://openalex.org/C31827203","wikidata":"https://www.wikidata.org/wiki/Q874296","display_name":"Tandem mass spectrometry","level":3,"score":0.5713469386100769},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.5171819925308228},{"id":"https://openalex.org/C2779279991","wikidata":"https://www.wikidata.org/wiki/Q6058681","display_name":"Testosterone (patch)","level":2,"score":0.5031186938285828},{"id":"https://openalex.org/C64489805","wikidata":"https://www.wikidata.org/wiki/Q873864","display_name":"Liquid chromatography\u2013mass spectrometry","level":3,"score":0.4693489968776703},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.08288055658340454},{"id":"https://openalex.org/C1008401","wikidata":"https://www.wikidata.org/wiki/Q184681","display_name":"Anabolism","level":2,"score":0.07670900225639343},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.06112435460090637},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000432","descriptor_name":"Methanol","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002851","descriptor_name":"Chromatography, High Pressure Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D004300","descriptor_name":"Doping in Sports","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004355","descriptor_name":"Drug Stability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005561","descriptor_name":"Formates","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D006736","descriptor_name":"Horses","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009277","descriptor_name":"Nandrolone","qualifier_ui":"Q000031","qualifier_name":"analogs & derivatives","is_major_topic":true},{"descriptor_ui":"D009277","descriptor_name":"Nandrolone","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013739","descriptor_name":"Testosterone","qualifier_ui":"Q000031","qualifier_name":"analogs & derivatives","is_major_topic":true},{"descriptor_ui":"D013739","descriptor_name":"Testosterone","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D021241","descriptor_name":"Spectrometry, Mass, Electrospray Ionization","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.chroma.2011.04.087","doi":"https://doi.org/10.1016/j.chroma.2011.04.087","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chroma.2011.04.087","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:21601862","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21601862","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":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W46368796","https://openalex.org/W1501652397","https://openalex.org/W1752182651","https://openalex.org/W1975463075","https://openalex.org/W1985968355","https://openalex.org/W1998714100","https://openalex.org/W2019934921","https://openalex.org/W2024261676","https://openalex.org/W2026196967","https://openalex.org/W2032500136","https://openalex.org/W2041503691","https://openalex.org/W2041984110","https://openalex.org/W2050112402","https://openalex.org/W2054881260","https://openalex.org/W2066502287","https://openalex.org/W2071547680","https://openalex.org/W2075029939","https://openalex.org/W2086167197","https://openalex.org/W2090414177","https://openalex.org/W2101201479","https://openalex.org/W2101320653","https://openalex.org/W2112628426","https://openalex.org/W2121388113","https://openalex.org/W2130608150","https://openalex.org/W2153483744","https://openalex.org/W2523024646"],"related_works":["https://openalex.org/W1979488607","https://openalex.org/W2929666944","https://openalex.org/W2046980918","https://openalex.org/W1998714100","https://openalex.org/W1983129470","https://openalex.org/W3158562865","https://openalex.org/W2129094214","https://openalex.org/W2071547680","https://openalex.org/W1968700231","https://openalex.org/W2075029939"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":6},{"year":2019,"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":3},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
