{"id":"https://openalex.org/W2199620494","doi":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","title":"Diffusion permeability of cyanocobalamin in human placenta","display_name":"Diffusion permeability of cyanocobalamin in human placenta","publication_year":1986,"publication_date":"1986-03-01","ids":{"openalex":"https://openalex.org/W2199620494","doi":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","mag":"2199620494","pmid":"https://pubmed.ncbi.nlm.nih.gov/3953855"},"language":"en","primary_location":{"id":"doi:10.1152/ajpregu.1986.250.3.r459","doi":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","is_oa":false,"landing_page_url":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","pdf_url":null,"source":{"id":"https://openalex.org/S59702976","display_name":"American Journal of Physiology-Regulatory, Integrative and Comparative Physiology","issn_l":"0363-6119","issn":["0363-6119","1522-1490"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320155","host_organization_name":"American Physiological Society","host_organization_lineage":["https://openalex.org/P4310320155"],"host_organization_lineage_names":["American Physiological Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Physiology-Regulatory, Integrative and Comparative Physiology","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/A5016396853","display_name":"Dale M. Willis","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. M. Willis","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113734327","display_name":"John Patrick O\u2019Grady","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. P. O'Grady","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108220750","display_name":"J. Job Faber","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. J. Faber","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084158432","display_name":"Kent L. R. Thornburg","orcid":"https://orcid.org/0000-0002-5561-4785","observed_orcids":["https://orcid.org/0000-0002-5561-4785"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K. L. Thornburg","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.1081,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.93408981,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"250","issue":"3","first_page":"R459","last_page":"R464"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.8241999745368958,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.8241999745368958,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T11872","display_name":"Barrier Structure and Function Studies","score":0.050999999046325684,"subfield":{"id":"https://openalex.org/subfields/2808","display_name":"Neurology"},"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/T11510","display_name":"Reproductive System and Pregnancy","score":0.030500000342726707,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vitamin-b12","display_name":"vitamin B12","score":0.9760000109672546},{"id":"https://openalex.org/keywords/human-placenta","display_name":"human placenta","score":0.902999997138977},{"id":"https://openalex.org/keywords/hemochorial-placenta","display_name":"hemochorial placenta","score":0.8479999899864197},{"id":"https://openalex.org/keywords/epitheliochorial-placenta","display_name":"epitheliochorial placenta","score":0.9890000224113464},{"id":"https://openalex.org/keywords/maternal-fetal-transfer","display_name":"maternal-fetal transfer","score":0.6359999775886536},{"id":"https://openalex.org/keywords/placental-transport","display_name":"placental transport","score":0.4480000138282776}],"concepts":[{"id":"https://openalex.org/C2776953305","wikidata":"https://www.wikidata.org/wiki/Q1212935","display_name":"Placenta","level":4,"score":0.8368263244628906},{"id":"https://openalex.org/C2780829489","wikidata":"https://www.wikidata.org/wiki/Q252251","display_name":"Cyanocobalamin","level":3,"score":0.7558375000953674},{"id":"https://openalex.org/C45167389","wikidata":"https://www.wikidata.org/wiki/Q1114520","display_name":"Placentation","level":5,"score":0.6201277375221252},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.570730447769165},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.5605869889259338},{"id":"https://openalex.org/C3018059006","wikidata":"https://www.wikidata.org/wiki/Q1212935","display_name":"Human placenta","level":5,"score":0.5491256713867188},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.48216670751571655},{"id":"https://openalex.org/C120882062","wikidata":"https://www.wikidata.org/wiki/Q28352","display_name":"Permeability (electromagnetism)","level":3,"score":0.42614972591400146},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.4102880358695984},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4090479016304016},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3279068171977997},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.21286538243293762},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.15514609217643738},{"id":"https://openalex.org/C2779750884","wikidata":"https://www.wikidata.org/wiki/Q187706","display_name":"Vitamin B12","level":2,"score":0.12336498498916626},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C41625074","wikidata":"https://www.wikidata.org/wiki/Q176088","display_name":"Membrane","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001798","descriptor_name":"Blood Proteins","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D002199","descriptor_name":"Capillary Permeability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004058","descriptor_name":"Diffusion","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":"D005312","descriptor_name":"Fetal Blood","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006168","descriptor_name":"Guinea Pigs","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":"D008431","descriptor_name":"Maternal-Fetal Exchange","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010920","descriptor_name":"Placenta","qualifier_ui":"Q000098","qualifier_name":"blood supply","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014805","descriptor_name":"Vitamin B 12","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1152/ajpregu.1986.250.3.r459","doi":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","is_oa":false,"landing_page_url":"https://doi.org/10.1152/ajpregu.1986.250.3.r459","pdf_url":null,"source":{"id":"https://openalex.org/S59702976","display_name":"American Journal of Physiology-Regulatory, Integrative and Comparative Physiology","issn_l":"0363-6119","issn":["0363-6119","1522-1490"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320155","host_organization_name":"American Physiological Society","host_organization_lineage":["https://openalex.org/P4310320155"],"host_organization_lineage_names":["American Physiological Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Physiology-Regulatory, Integrative and Comparative Physiology","raw_type":"journal-article"},{"id":"pmid:3953855","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3953855","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":"The American journal of physiology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8371999859809875,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G868842414","display_name":"HUMAN PLACENTAL PERMEABILITY TO HYDROPHILIC MATERIALS","funder_award_id":"R01HD016342","funder_id":"https://openalex.org/F4320337611","funder_display_name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development"}],"funders":[{"id":"https://openalex.org/F4320337611","display_name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","ror":"https://ror.org/04byxyr05"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2580580938","https://openalex.org/W2003367324","https://openalex.org/W1996945702","https://openalex.org/W2080938873","https://openalex.org/W2068208655","https://openalex.org/W2109194417","https://openalex.org/W2133998042","https://openalex.org/W2005241947","https://openalex.org/W2076766854","https://openalex.org/W2039279972"],"abstract_inverted_index":{"The":[0,23,139],"molecular":[1,61,161],"weight":[2],"of":[3,13,25,59,85,103,118,141,147,163],"cyanocobalamin":[4,26,48,104],"is":[5],"well":[6],"suited":[7],"to":[8,160],"distinguish":[9],"the":[10,18,43,50,116,122,142,148],"two":[11],"patterns":[12],"size":[14],"discrimination":[15],"found":[16],"in":[17,89],"hemochorial":[19],"and":[20,36,93,121,127],"epitheliochorial":[21],"placentas.":[22],"concentrations":[24,84],"that":[27,31,42,146],"were":[28,49,66,71,87,99],"used":[29],"ensured":[30],"nondiffusional":[32],"transport":[33],"was":[34,130],"negligible,":[35],"experiments":[37],"on":[38,68],"guinea":[39,151],"pigs":[40],"confirmed":[41],"diffusion":[44],"permeabilities":[45],"measured":[46,88],"with":[47],"same":[51],"as":[52,115],"those":[53],"expected":[54],"for":[55,73],"inert":[56],"hydrophilic":[57],"substances":[58],"similar":[60,150],"weight.":[62],"All":[63],"human":[64,143],"studies":[65],"performed":[67],"volunteers":[69,92,98],"who":[70],"scheduled":[72],"elective":[74],"cesarean":[75],"section":[76],"under":[77],"spinal":[78],"or":[79],"epidural":[80],"anesthesia.":[81],"Endogenous":[82],"plasma":[83],"cobalamin":[86],"10":[90],"pregnant":[91],"their":[94],"newborns.":[95],"Ten":[96],"additional":[97],"given":[100],"1":[101],"mg":[102],"by":[105],"intramuscular":[106],"injection":[107],"44":[108],"min":[109],"before":[110],"delivery.":[111],"Placental":[112],"permeability,":[113],"calculated":[114],"ratio":[117],"fetal":[119,128],"uptake":[120],"concentration-time":[123],"integral":[124],"between":[125],"maternal":[126],"plasmas,":[129],"14.3":[131],"microliter":[132],"X":[133,135],"min-1":[134],"g":[136],"placental":[137],"wt-1.":[138],"permeability":[140],"placenta":[144],"parallels":[145],"histologically":[149],"pig":[152],"placenta,":[153],"at":[154],"a":[155],"slightly":[156],"higher":[157],"level,":[158],"up":[159],"weights":[162],"1,355.":[164]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}
