{"id":"https://openalex.org/W2127745880","doi":null,"title":"Validation and Application of Quality Assurance Methods Developed for Artemisinin-Based Antimalarial Drugs to Assess the Quality of a Selection of Such Drugs Distributed in Accra, Ghana","display_name":"Validation and Application of Quality Assurance Methods Developed for Artemisinin-Based Antimalarial Drugs to Assess the Quality of a Selection of Such Drugs Distributed in Accra, Ghana","publication_year":2010,"publication_date":"2010-10-31","ids":{"openalex":"https://openalex.org/W2127745880","mag":"2127745880"},"language":"en","primary_location":{"id":"mag:2127745880","doi":null,"is_oa":false,"landing_page_url":"http://ugspace.ug.edu.gh/handle/123456789/2453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5063456004","display_name":"Dorcas Osei\u2010Safo","orcid":"https://orcid.org/0000-0001-7311-3485","observed_orcids":["https://orcid.org/0000-0001-7311-3485"]},"institutions":[{"id":"https://openalex.org/I138690464","display_name":"University of Ghana","ror":"https://ror.org/01r22mr83","country_code":"GH","type":"education","lineage":["https://openalex.org/I138690464"]}],"countries":["GH"],"is_corresponding":false,"raw_author_name":"Dorcas Osei\u2010Safo","raw_affiliation_strings":["University of Ghana;"],"raw_orcid":"https://orcid.org/0000-0001-7311-3485","affiliations":[{"raw_affiliation_string":"University of Ghana;","institution_ids":["https://openalex.org/I138690464"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103174729","display_name":"Jerry Joe Ebow Kingsley Harrison","orcid":"https://orcid.org/0000-0003-2425-3531","observed_orcids":["https://orcid.org/0000-0003-2425-3531"]},"institutions":[{"id":"https://openalex.org/I138690464","display_name":"University of Ghana","ror":"https://ror.org/01r22mr83","country_code":"GH","type":"education","lineage":["https://openalex.org/I138690464"]}],"countries":["GH"],"is_corresponding":false,"raw_author_name":"Jerry Joe Ebow Kingsley Harrison","raw_affiliation_strings":["University of Ghana;"],"raw_orcid":"https://orcid.org/0000-0003-2425-3531","affiliations":[{"raw_affiliation_string":"University of Ghana;","institution_ids":["https://openalex.org/I138690464"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074676558","display_name":"Ivan Addae\u2010Mensah","orcid":"https://orcid.org/0009-0005-7990-6650","observed_orcids":["https://orcid.org/0009-0005-7990-6650"]},"institutions":[{"id":"https://openalex.org/I138690464","display_name":"University of Ghana","ror":"https://ror.org/01r22mr83","country_code":"GH","type":"education","lineage":["https://openalex.org/I138690464"]}],"countries":["GH"],"is_corresponding":false,"raw_author_name":"Ivan Addae\u2010Mensah","raw_affiliation_strings":["University of Ghana;"],"raw_orcid":"https://orcid.org/0009-0005-7990-6650","affiliations":[{"raw_affiliation_string":"University of Ghana;","institution_ids":["https://openalex.org/I138690464"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I138690464"],"apc_list":null,"apc_paid":null,"fwci":0.8936,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.78479561,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"1","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12878","display_name":"Pharmaceutical Quality and Counterfeiting","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12878","display_name":"Pharmaceutical Quality and Counterfeiting","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11460","display_name":"Analytical Methods in Pharmaceuticals","score":9.999999747378752e-05,"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/T11792","display_name":"Pharmaceutical Economics and Policy","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/substandard-medicines","display_name":"substandard medicines","score":0.7870000004768372},{"id":"https://openalex.org/keywords/counterfeit-medicines","display_name":"counterfeit drugs","score":0.9649999737739563},{"id":"https://openalex.org/keywords/pharmaceutical-quality-assurance","display_name":"pharmaceutical quality assurance","score":0.7789999842643738},{"id":"https://openalex.org/keywords/fixed-dose-combination-formulations","display_name":"fixed-dose combination formulation","score":0.8550000190734863}],"concepts":[{"id":"https://openalex.org/C2909665878","wikidata":"https://www.wikidata.org/wiki/Q3140895","display_name":"Counterfeit Drugs","level":3,"score":0.836331844329834},{"id":"https://openalex.org/C2779356469","wikidata":"https://www.wikidata.org/wiki/Q502918","display_name":"Counterfeit","level":2,"score":0.7304335236549377},{"id":"https://openalex.org/C2776120307","wikidata":"https://www.wikidata.org/wiki/Q426921","display_name":"Artemisinin","level":4,"score":0.6487762928009033},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.6304287314414978},{"id":"https://openalex.org/C45904493","wikidata":"https://www.wikidata.org/wiki/Q912807","display_name":"Active ingredient","level":2,"score":0.5736788511276245},{"id":"https://openalex.org/C179998833","wikidata":"https://www.wikidata.org/wiki/Q381233","display_name":"High-performance liquid chromatography","level":2,"score":0.5117206573486328},{"id":"https://openalex.org/C2778118209","wikidata":"https://www.wikidata.org/wiki/Q416199","display_name":"Artemether","level":5,"score":0.46486836671829224},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4630546569824219},{"id":"https://openalex.org/C77281830","wikidata":"https://www.wikidata.org/wiki/Q718608","display_name":"Dosage form","level":2,"score":0.4449227452278137},{"id":"https://openalex.org/C2780035454","wikidata":"https://www.wikidata.org/wiki/Q8386","display_name":"Drug","level":2,"score":0.4387471675872803},{"id":"https://openalex.org/C2777594072","wikidata":"https://www.wikidata.org/wiki/Q117247","display_name":"Pharmacopoeia","level":3,"score":0.425049751996994},{"id":"https://openalex.org/C98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","level":1,"score":0.37754160165786743},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.28984004259109497},{"id":"https://openalex.org/C2778371730","wikidata":"https://www.wikidata.org/wiki/Q311383","display_name":"Plasmodium falciparum","level":3,"score":0.1458420753479004},{"id":"https://openalex.org/C2778048844","wikidata":"https://www.wikidata.org/wiki/Q12156","display_name":"Malaria","level":2,"score":0.1348608136177063},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2127745880","doi":null,"is_oa":false,"landing_page_url":"http://ugspace.ug.edu.gh/handle/123456789/2453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.9391000270843506,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","score":0.41999998688697815,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1998408776","https://openalex.org/W2040713555","https://openalex.org/W2050832165","https://openalex.org/W2089006774","https://openalex.org/W2111813303","https://openalex.org/W2112488579","https://openalex.org/W2155295531","https://openalex.org/W2749417785","https://openalex.org/W2751432271"],"related_works":["https://openalex.org/W3122758023","https://openalex.org/W2155295531","https://openalex.org/W2042606795","https://openalex.org/W2068705200","https://openalex.org/W2000669363","https://openalex.org/W1995059330","https://openalex.org/W1517482010","https://openalex.org/W2255616380","https://openalex.org/W3115584790","https://openalex.org/W2930098006","https://openalex.org/W106179627","https://openalex.org/W1961306582","https://openalex.org/W2226459918","https://openalex.org/W2169822269","https://openalex.org/W2103008881","https://openalex.org/W1967570783","https://openalex.org/W2122121613","https://openalex.org/W2754522897","https://openalex.org/W1972208360","https://openalex.org/W2934522240"],"abstract_inverted_index":{"A":[0],"recently":[1],"developed":[2],"rapid":[3,39,208],"semi-quantitative":[4,190],"Thin":[5],"Layer":[6],"Chromatographic":[7,71],"(TLC)":[8],"assay":[9,65,131],"method":[10,203],"was":[11],"applied":[12],"in":[13,28,234],"the":[14,17,29,82,90,117,129,155,158,165,189,198,202,211,221],"determination":[15],"of":[16,21,41,49,89,116,123,157,164,188,197,210,213,223,225],"existence":[18],"substandard":[22,54,226],"or":[23,53],"counterfeit":[24,52,229],"artemisinin-based":[25,230],"anti-malarial":[26,214,231],"drugs":[27,232],"Ghanaian":[30],"market":[31],"and":[32,66,96,200,227],"also":[33,218],"tested":[34],"for":[35,38,207],"its":[36],"suitability":[37],"assessment":[40,209],"drug":[42,80],"quality":[43,212],"prior":[44],"to":[45,110,133,143,174,182],"more":[46],"rigorous":[47],"analysis":[48],"any":[50],"suspected":[51],"drugs.":[55,215],"Three":[56],"methods":[57],"were":[58,108,140,152],"employed":[59],"\u2013":[60],"Basic":[61],"Tests,":[62],"Semi-quantitative":[63],"TLC":[64,130,159,191],"High":[67],"Performance":[68],"Liquid":[69],"(HPLC)":[72],"assay.":[73],"The":[74,186,216],"basic":[75],"tests":[76],"showed":[77],"that":[78,171,220],"each":[79],"contained":[81],"requisite":[83],"active":[84],"pharmaceutical":[85],"ingredient":[86],"(API).":[87],"Out":[88,115],"49":[91],"samples":[92],"(24":[93],"single":[94,119],"dose":[95,99,120,168],"25":[97,166],"fixed":[98,167],"combination":[100,169],"formulations)":[101],"assayed":[102,177],"by":[103,128,147,178],"TLC,":[104],"only":[105,138,161],"14":[106],"(28.6%)":[107],"found":[109,127,142],"comply":[111],"with":[112,195],"pharmacopoeial":[113,136,184],"specifications.":[114,185],"24":[118],"formulations,":[121],"9":[122],"which":[124],"had":[125],"been":[126],"likely":[132,181],"be":[134,144,175,205],"within":[135],"limits,":[137],"4":[139],"eventually":[141],"fully":[145],"compliant":[146],"HPLC":[148,199],"analyses.":[149],"Two":[150],"others":[151],"marginal.":[153],"On":[154],"basis":[156],"assay,":[160],"5":[162],"out":[163],"formulations":[170],"are":[172],"yet":[173],"accurately":[176],"HPLC,":[179],"appear":[180],"meet":[183],"results":[187,217],"technique":[192],"compare":[193],"favorably":[194],"those":[196],"hence":[201],"can":[204],"used":[206],"indicate":[219],"problem":[222],"distribution":[224],"possibly":[228],"exists":[233],"Ghana.":[235]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}
