{"id":"https://openalex.org/W2069739004","doi":"https://doi.org/10.1016/0024-3205(87)90099-3","title":"Identification of dynorphin 1\u20138 in human placenta by mass spectrometry","display_name":"Identification of dynorphin 1\u20138 in human placenta by mass spectrometry","publication_year":1987,"publication_date":"1987-05-01","ids":{"openalex":"https://openalex.org/W2069739004","doi":"https://doi.org/10.1016/0024-3205(87)90099-3","mag":"2069739004","pmid":"https://pubmed.ncbi.nlm.nih.gov/2884540"},"language":"en","primary_location":{"id":"doi:10.1016/0024-3205(87)90099-3","doi":"https://doi.org/10.1016/0024-3205(87)90099-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0024-3205(87)90099-3","pdf_url":null,"source":{"id":"https://openalex.org/S175775512","display_name":"Life Sciences","issn_l":"0024-3205","issn":["0024-3205","1879-0631"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1"],"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":"Life Sciences","raw_type":"journal-article"},"volume":null,"type":"article","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/A5101780663","display_name":"Mahmoud Salama Ahmed","orcid":"https://orcid.org/0000-0002-5600-4698","observed_orcids":["https://orcid.org/0000-0002-5600-4698"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mahmoud S. Ahmed","raw_affiliation_strings":["Department of Biochemistry, Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biochemistry, Memphis, Tennessee 38163, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025871940","display_name":"Laura W. Randall","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Laura W. Randall","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023534305","display_name":"Baha M. Sibai","orcid":"https://orcid.org/0000-0001-9982-7873","observed_orcids":["https://orcid.org/0000-0001-9982-7873"]},"institutions":[{"id":"https://openalex.org/I160606119","display_name":"University of Tennessee Health Science Center","ror":"https://ror.org/0011qv509","country_code":"US","type":"education","lineage":["https://openalex.org/I160606119"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Baha Sibai","raw_affiliation_strings":["Department of OB/GYN University of Tennessee, Memphis. Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of OB/GYN University of Tennessee, Memphis. Memphis, Tennessee 38163, USA","institution_ids":["https://openalex.org/I160606119"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083184196","display_name":"Chhabil Dass","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chhabil Dass","raw_affiliation_strings":["Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048060374","display_name":"Genevieve Fridland","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Genevieve Fridland","raw_affiliation_strings":["Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073229744","display_name":"Dominic M. Desiderio","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I160606119","display_name":"University of Tennessee Health Science Center","ror":"https://ror.org/0011qv509","country_code":"US","type":"education","lineage":["https://openalex.org/I160606119"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dominic M. Desiderio","raw_affiliation_strings":["Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA","Department of Biochemistry, Memphis, Tennessee 38163, USA","Department of Neurology, Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA","institution_ids":[]},{"raw_affiliation_string":"Department of Biochemistry, Memphis, Tennessee 38163, USA","institution_ids":[]},{"raw_affiliation_string":"Department of Neurology, Memphis, Tennessee 38163, USA","institution_ids":["https://openalex.org/I160606119"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070314795","display_name":"Emirg\u00fcl Tolun","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Emirgul Tolun","raw_affiliation_strings":["Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Memphis, Tennessee 38163, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101780663"],"corresponding_institution_ids":[],"apc_list":{"value":3810,"currency":"USD","value_usd":3810},"apc_paid":null,"fwci":1.1111,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.74271338,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"40","issue":"21","first_page":"2067","last_page":"2076"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10814","display_name":"Neuropeptides and Animal Physiology","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10814","display_name":"Neuropeptides and Animal Physiology","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11541","display_name":"Neuroendocrine regulation and behavior","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10683","display_name":"Mass Spectrometry Techniques and Applications","score":0.00039999998989515007,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/human-placenta","display_name":"human placenta","score":0.9599999785423279},{"id":"https://openalex.org/keywords/placental-villi","display_name":"placental villi","score":0.9710000157356262},{"id":"https://openalex.org/keywords/kappa-opioid-receptor","display_name":"kappa opioid receptor","score":0.8759999871253967},{"id":"https://openalex.org/keywords/opioid-peptides","display_name":"opioid peptides","score":0.9599999785423279},{"id":"https://openalex.org/keywords/opioid-receptors","display_name":"opioid receptors","score":0.527999997138977},{"id":"https://openalex.org/keywords/fast-atom-bombardment-mass-spectrometry","display_name":"fast atom bombardment mass spectrometry","score":0.8370000123977661},{"id":"https://openalex.org/keywords/reversed-phase-hplc","display_name":"reversed-phase HPLC","score":0.7170000076293945}],"concepts":[{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6597250699996948},{"id":"https://openalex.org/C151077648","wikidata":"https://www.wikidata.org/wiki/Q324076","display_name":"Dynorphin","level":5,"score":0.6160697937011719},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.6040659546852112},{"id":"https://openalex.org/C2776953305","wikidata":"https://www.wikidata.org/wiki/Q1212935","display_name":"Placenta","level":4,"score":0.5877364873886108},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.48368769884109497},{"id":"https://openalex.org/C70721500","wikidata":"https://www.wikidata.org/wiki/Q177005","display_name":"Computational biology","level":1,"score":0.4135403037071228},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.33517932891845703},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2467116117477417},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.18960356712341309},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.16733425855636597},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.12320667505264282},{"id":"https://openalex.org/C88016717","wikidata":"https://www.wikidata.org/wiki/Q417189","display_name":"Opioid peptide","level":4,"score":0.06615552306175232},{"id":"https://openalex.org/C2781063702","wikidata":"https://www.wikidata.org/wiki/Q427523","display_name":"Opioid","level":3,"score":0.06512975692749023},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.06296771764755249},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D002824","descriptor_name":"Chorionic Villi","qualifier_ui":"Q000032","qualifier_name":"analysis","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":"D004399","descriptor_name":"Dynorphins","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004399","descriptor_name":"Dynorphins","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","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":"D010446","descriptor_name":"Peptide Fragments","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D010446","descriptor_name":"Peptide Fragments","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":false},{"descriptor_ui":"D010920","descriptor_name":"Placenta","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D013058","descriptor_name":"Mass Spectrometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1016/0024-3205(87)90099-3","doi":"https://doi.org/10.1016/0024-3205(87)90099-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0024-3205(87)90099-3","pdf_url":null,"source":{"id":"https://openalex.org/S175775512","display_name":"Life Sciences","issn_l":"0024-3205","issn":["0024-3205","1879-0631"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1"],"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":"Life Sciences","raw_type":"journal-article"},{"id":"pmid:2884540","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2884540","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":"Life sciences","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.8048999905586243}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1215990547","display_name":null,"funder_award_id":"GM26666","funder_id":"https://openalex.org/F4320337354","funder_display_name":"National Institute of General Medical Sciences"}],"funders":[{"id":"https://openalex.org/F4320309500","display_name":"Rensselaer Polytechnic Institute","ror":"https://ror.org/01rtyzb94"},{"id":"https://openalex.org/F4320337354","display_name":"National Institute of General Medical Sciences","ror":"https://ror.org/04q48ey07"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W568659615","https://openalex.org/W1973198816","https://openalex.org/W1976813626","https://openalex.org/W1986649687","https://openalex.org/W2017351666","https://openalex.org/W2023800032","https://openalex.org/W2043333261","https://openalex.org/W2066763954","https://openalex.org/W2073191614","https://openalex.org/W2089077125","https://openalex.org/W2110627788","https://openalex.org/W2199085507","https://openalex.org/W4249330549"],"related_works":["https://openalex.org/W1986649687","https://openalex.org/W2029195948","https://openalex.org/W2019770670","https://openalex.org/W1976813626","https://openalex.org/W2054736244","https://openalex.org/W2088933650","https://openalex.org/W2417208704","https://openalex.org/W2362965627","https://openalex.org/W2005480477","https://openalex.org/W2062102921"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
