{"id":"https://openalex.org/W2052289377","doi":"https://doi.org/10.1016/j.cccn.2004.04.030","title":"Determination of phylloquinone (vitamin K1) in plasma and serum by HPLC with fluorescence detection","display_name":"Determination of phylloquinone (vitamin K1) in plasma and serum by HPLC with fluorescence detection","publication_year":2004,"publication_date":"2004-07-07","ids":{"openalex":"https://openalex.org/W2052289377","doi":"https://doi.org/10.1016/j.cccn.2004.04.030","mag":"2052289377","pmid":"https://pubmed.ncbi.nlm.nih.gov/15313159"},"language":"en","primary_location":{"id":"doi:10.1016/j.cccn.2004.04.030","doi":"https://doi.org/10.1016/j.cccn.2004.04.030","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.cccn.2004.04.030","pdf_url":null,"source":{"id":"https://openalex.org/S207549998","display_name":"Clinica Chimica Acta","issn_l":"0009-8981","issn":["0009-8981","1873-3492"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","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":"Clinica Chimica Acta","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":null,"display_name":"Laura Y Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173004203","display_name":"MRC Elsie Widdowson Laboratory","ror":"https://ror.org/050pqs331","country_code":"GB","type":"facility","lineage":["https://openalex.org/I173004203","https://openalex.org/I241749","https://openalex.org/I4210087105","https://openalex.org/I90344618"]},{"id":"https://openalex.org/I90344618","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517","country_code":"GB","type":"government","lineage":["https://openalex.org/I4210087105","https://openalex.org/I90344618"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Laura Y Wang","raw_affiliation_strings":["Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK. laura.wang@mrc-hnr.cam.ac.uk","Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK. laura.wang@mrc-hnr.cam.ac.uk","institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"]},{"raw_affiliation_string":"Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK","institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115601612","display_name":"Chris J Bates","orcid":"https://orcid.org/0000-0003-0113-2593","observed_orcids":["https://orcid.org/0000-0003-0113-2593","https://orcid.org/0000-0002-1183-1809","https://orcid.org/0000-0002-6691-4046"]},"institutions":[{"id":"https://openalex.org/I173004203","display_name":"MRC Elsie Widdowson Laboratory","ror":"https://ror.org/050pqs331","country_code":"GB","type":"facility","lineage":["https://openalex.org/I173004203","https://openalex.org/I241749","https://openalex.org/I4210087105","https://openalex.org/I90344618"]},{"id":"https://openalex.org/I90344618","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517","country_code":"GB","type":"government","lineage":["https://openalex.org/I4210087105","https://openalex.org/I90344618"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Chris J Bates","raw_affiliation_strings":["Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK","institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101107720","display_name":"Liya Yan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173004203","display_name":"MRC Elsie Widdowson Laboratory","ror":"https://ror.org/050pqs331","country_code":"GB","type":"facility","lineage":["https://openalex.org/I173004203","https://openalex.org/I241749","https://openalex.org/I4210087105","https://openalex.org/I90344618"]},{"id":"https://openalex.org/I90344618","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517","country_code":"GB","type":"government","lineage":["https://openalex.org/I4210087105","https://openalex.org/I90344618"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Liya Yan","raw_affiliation_strings":["Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK","institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060148675","display_name":"Dominic Jon Harrington","orcid":"https://orcid.org/0000-0003-4786-9240","observed_orcids":["https://orcid.org/0000-0003-4786-9240"]},"institutions":[{"id":"https://openalex.org/I1324925910","display_name":"St Thomas' Hospital","ror":"https://ror.org/054gk2851","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324925910","https://openalex.org/I200166805","https://openalex.org/I4210111135"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Dominic J Harrington","raw_affiliation_strings":["Vitamin K Research and Diagnostic Units, The Centre for Haemostasis and Thrombosis (The Haemophilia Reference Centre), St. Thomas' Hospital, London SE1 7EH, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vitamin K Research and Diagnostic Units, The Centre for Haemostasis and Thrombosis (The Haemophilia Reference Centre), St. Thomas' Hospital, London SE1 7EH, UK","institution_ids":["https://openalex.org/I1324925910"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016570099","display_name":"Martin J. Shearer","orcid":"https://orcid.org/0000-0003-2509-0818","observed_orcids":["https://orcid.org/0000-0003-2509-0818"]},"institutions":[{"id":"https://openalex.org/I1324925910","display_name":"St Thomas' Hospital","ror":"https://ror.org/054gk2851","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324925910","https://openalex.org/I200166805","https://openalex.org/I4210111135"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Martin J Shearer","raw_affiliation_strings":["Vitamin K Research and Diagnostic Units, The Centre for Haemostasis and Thrombosis (The Haemophilia Reference Centre), St. Thomas' Hospital, London SE1 7EH, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vitamin K Research and Diagnostic Units, The Centre for Haemostasis and Thrombosis (The Haemophilia Reference Centre), St. Thomas' Hospital, London SE1 7EH, UK","institution_ids":["https://openalex.org/I1324925910"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072226319","display_name":"Ann Prentice","orcid":"https://orcid.org/0000-0003-0254-6659","observed_orcids":["https://orcid.org/0000-0003-0254-6659"]},"institutions":[{"id":"https://openalex.org/I173004203","display_name":"MRC Elsie Widdowson Laboratory","ror":"https://ror.org/050pqs331","country_code":"GB","type":"facility","lineage":["https://openalex.org/I173004203","https://openalex.org/I241749","https://openalex.org/I4210087105","https://openalex.org/I90344618"]},{"id":"https://openalex.org/I90344618","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517","country_code":"GB","type":"government","lineage":["https://openalex.org/I4210087105","https://openalex.org/I90344618"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ann Prentice","raw_affiliation_strings":["Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical Research Council Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge CB1 9NL, UK","institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I173004203","https://openalex.org/I90344618"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":2.8134,"has_fulltext":false,"cited_by_count":74,"citation_normalized_percentile":{"value":0.88825704,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"347","issue":"1-2","first_page":"199","last_page":"207"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13004","display_name":"Vitamin K Research Studies","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T13004","display_name":"Vitamin K Research Studies","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11460","display_name":"Analytical Methods in Pharmaceuticals","score":0.002899999963119626,"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/T10445","display_name":"Antioxidant Activity and Oxidative Stress","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2704","display_name":"Biochemistry (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vitamin-k1","display_name":"vitamin K1","score":1.0},{"id":"https://openalex.org/keywords/hplc-with-fluorescence-detection","display_name":"HPLC-fluorescence detection","score":0.7919999957084656},{"id":"https://openalex.org/keywords/internal-standardization","display_name":"internal standardization","score":0.921999990940094},{"id":"https://openalex.org/keywords/assay-validation","display_name":"assay validation","score":0.6570000052452087},{"id":"https://openalex.org/keywords/external-quality-assessment","display_name":"external quality assessment","score":0.6620000004768372}],"concepts":[{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.7419339418411255},{"id":"https://openalex.org/C9893847","wikidata":"https://www.wikidata.org/wiki/Q1425625","display_name":"Reproducibility","level":2,"score":0.7279926538467407},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7178536057472229},{"id":"https://openalex.org/C179998833","wikidata":"https://www.wikidata.org/wiki/Q381233","display_name":"High-performance liquid chromatography","level":2,"score":0.601448655128479},{"id":"https://openalex.org/C2776940978","wikidata":"https://www.wikidata.org/wiki/Q34956","display_name":"Vitamin","level":2,"score":0.5899443030357361},{"id":"https://openalex.org/C119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","level":2,"score":0.4713313579559326},{"id":"https://openalex.org/C95986675","wikidata":"https://www.wikidata.org/wiki/Q185168","display_name":"Quantitative analysis (chemistry)","level":2,"score":0.4595445990562439},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.10415583848953247}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000933","descriptor_name":"Antifibrinolytic Agents","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D000933","descriptor_name":"Antifibrinolytic Agents","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D002851","descriptor_name":"Chromatography, High Pressure Liquid","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007202","descriptor_name":"Indicators and Reagents","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008055","descriptor_name":"Lipids","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010837","descriptor_name":"Vitamin K 1","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D010837","descriptor_name":"Vitamin K 1","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D011786","descriptor_name":"Quality Control","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012015","descriptor_name":"Reference Standards","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013050","descriptor_name":"Spectrometry, Fluorescence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.cccn.2004.04.030","doi":"https://doi.org/10.1016/j.cccn.2004.04.030","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.cccn.2004.04.030","pdf_url":null,"source":{"id":"https://openalex.org/S207549998","display_name":"Clinica Chimica Acta","issn_l":"0009-8981","issn":["0009-8981","1873-3492"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","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":"Clinica Chimica Acta","raw_type":"journal-article"},{"id":"pmid:15313159","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15313159","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":"Clinica chimica acta; international journal of clinical chemistry","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.4043000042438507,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W21127952","https://openalex.org/W1507165982","https://openalex.org/W1602566102","https://openalex.org/W1607226298","https://openalex.org/W1840099588","https://openalex.org/W1914196838","https://openalex.org/W1923721357","https://openalex.org/W1960177740","https://openalex.org/W1970073250","https://openalex.org/W1978221471","https://openalex.org/W1979986671","https://openalex.org/W2010960003","https://openalex.org/W2017379385","https://openalex.org/W2040716668","https://openalex.org/W2081594329","https://openalex.org/W2097611752","https://openalex.org/W2109592430","https://openalex.org/W2113063947","https://openalex.org/W2129239385","https://openalex.org/W2150565936","https://openalex.org/W2163520546","https://openalex.org/W2273491497","https://openalex.org/W2314709258","https://openalex.org/W3164249164","https://openalex.org/W4234733036","https://openalex.org/W4243415100","https://openalex.org/W6600838808","https://openalex.org/W6636470502","https://openalex.org/W7047470313"],"related_works":["https://openalex.org/W2073052216","https://openalex.org/W1976915494","https://openalex.org/W1983284996","https://openalex.org/W2109592430","https://openalex.org/W1971908515","https://openalex.org/W2319243245","https://openalex.org/W2040827093","https://openalex.org/W7128403220","https://openalex.org/W1998771807","https://openalex.org/W2008083473"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-05T12:25:35.769452","created_date":"2016-06-24T00:00:00"}
