{"id":"https://openalex.org/W2057590486","doi":"https://doi.org/10.1126/science.113.2944.625","title":"An Analog of Vitamin B 12","display_name":"An Analog of Vitamin B 12","publication_year":1951,"publication_date":"1951-06-01","ids":{"openalex":"https://openalex.org/W2057590486","doi":"https://doi.org/10.1126/science.113.2944.625","mag":"2057590486","pmid":"https://pubmed.ncbi.nlm.nih.gov/14845690"},"language":"en","primary_location":{"id":"doi:10.1126/science.113.2944.625","doi":"https://doi.org/10.1126/science.113.2944.625","is_oa":false,"landing_page_url":"https://doi.org/10.1126/science.113.2944.625","pdf_url":null,"source":{"id":"https://openalex.org/S3880285","display_name":"Science","issn_l":"0036-8075","issn":["0036-8075","0193-4511","1095-9203"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315823","host_organization_name":"American Association for the Advancement of Science","host_organization_lineage":["https://openalex.org/P4310315823"],"host_organization_lineage_names":["American Association for the Advancement of Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science","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/A5031340645","display_name":"Rudolf P. Buhs","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285764155","display_name":"Merck & Co., Inc., Rahway, NJ, USA (United States)","ror":"https://ror.org/02891sr49","country_code":"US","type":"company","lineage":["https://openalex.org/I1285764155"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. P. Buhs","raw_affiliation_strings":["Research Laboratories, Merck & Co., Inc., Rahway, New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories, Merck & Co., Inc., Rahway, New Jersey","institution_ids":["https://openalex.org/I1285764155"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050076449","display_name":"Edwin Gerald Newstead","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285764155","display_name":"Merck & Co., Inc., Rahway, NJ, USA (United States)","ror":"https://ror.org/02891sr49","country_code":"US","type":"company","lineage":["https://openalex.org/I1285764155"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E. G. Newstead","raw_affiliation_strings":["Research Laboratories, Merck & Co., Inc., Rahway, New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories, Merck & Co., Inc., Rahway, New Jersey","institution_ids":["https://openalex.org/I1285764155"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074422666","display_name":"Nelson R. Trenner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285764155","display_name":"Merck & Co., Inc., Rahway, NJ, USA (United States)","ror":"https://ror.org/02891sr49","country_code":"US","type":"company","lineage":["https://openalex.org/I1285764155"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"N. R. Trenner","raw_affiliation_strings":["Research Laboratories, Merck & Co., Inc., Rahway, New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories, Merck & Co., Inc., Rahway, New Jersey","institution_ids":["https://openalex.org/I1285764155"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1285764155"],"apc_list":null,"apc_paid":null,"fwci":10.6146,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.98301067,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"113","issue":"2944","first_page":"625","last_page":"626"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.8862000107765198,"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/T10499","display_name":"Folate and B Vitamins Research","score":0.8862000107765198,"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/T12441","display_name":"Porphyrin Metabolism and Disorders","score":0.10679999738931656,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12827","display_name":"Biochemical and Molecular Research","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vitamin-b12-analogs","display_name":"vitamin B12 analogs","score":0.8799999952316284},{"id":"https://openalex.org/keywords/lactobacillus-lactis","display_name":"Lactobacillus lactis","score":0.7139999866485596},{"id":"https://openalex.org/keywords/lactobacillus-leichmannii","display_name":"Lactobacillus leichmannii","score":0.9919999837875366},{"id":"https://openalex.org/keywords/titration","display_name":"titration","score":0.8999999761581421},{"id":"https://openalex.org/keywords/vitamin-b12-assay","display_name":"vitamin B12 assay","score":0.5740000009536743}],"concepts":[{"id":"https://openalex.org/C2992865179","wikidata":"https://www.wikidata.org/wiki/Q183206","display_name":"Vitamin b","level":3,"score":0.5771760940551758},{"id":"https://openalex.org/C2776940978","wikidata":"https://www.wikidata.org/wiki/Q34956","display_name":"Vitamin","level":2,"score":0.4002767503261566},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3756483197212219},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.16915079951286316}],"mesh":[{"descriptor_ui":"D007287","descriptor_name":"Inorganic Chemicals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014805","descriptor_name":"Vitamin B 12","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D045728","descriptor_name":"Corrinoids","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1126/science.113.2944.625","doi":"https://doi.org/10.1126/science.113.2944.625","is_oa":false,"landing_page_url":"https://doi.org/10.1126/science.113.2944.625","pdf_url":null,"source":{"id":"https://openalex.org/S3880285","display_name":"Science","issn_l":"0036-8075","issn":["0036-8075","0193-4511","1095-9203"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315823","host_organization_name":"American Association for the Advancement of Science","host_organization_lineage":["https://openalex.org/P4310315823"],"host_organization_lineage_names":["American Association for the Advancement of Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science","raw_type":"journal-article"},{"id":"pmid:14845690","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14845690","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":"Science (New York, N.Y.)","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W139122526","https://openalex.org/W1576472740","https://openalex.org/W1976684637","https://openalex.org/W1978105404","https://openalex.org/W1996697189","https://openalex.org/W2001100396","https://openalex.org/W2049747801","https://openalex.org/W2067451495","https://openalex.org/W2286096909","https://openalex.org/W4234547852"],"related_works":["https://openalex.org/W2141219236","https://openalex.org/W7146782812","https://openalex.org/W2070150921","https://openalex.org/W2394876075","https://openalex.org/W2338356512","https://openalex.org/W2214562767","https://openalex.org/W1996322788","https://openalex.org/W1990587483","https://openalex.org/W193583540","https://openalex.org/W2031730442"],"abstract_inverted_index":{"We":[0],"find":[1],"a":[2,58,94],"correction":[3],"is":[4],"necessary":[5],"in":[6,111],"the":[7,40,45,66,76,81,104],"last":[8],"sentence":[9,31],"on":[10,114],"page":[11,115],"625":[12,26],"of":[13,106],"our":[14,28],"article":[15],"entitled":[16],"An":[17],"Analogof":[18],"Vitamin":[19],"B12":[20],"(":[21,53,89],"Science":[22],",":[23,25],"113":[24],"[1951]).\n\nIn":[27],"original":[29],"this":[30],"reads:\n\nThe":[32],"thiocyanate":[33,69],"analog":[34,70],"and":[35,44,71,80,109],"vitamin":[36,63,72,99],"B12a":[37],"when":[38,74],"testedby":[39,75],"L.":[41,46,77,82],"lactic":[42],"(A)":[43,85],"leichmannii":[47,83],"unprotected":[48,84],"(B)":[49,79],"titrimetric":[50,86],"assay":[51,87],"methods":[52,88],"6":[54,90],")":[55,91],"also":[56,92,102],"respondin":[57,93],"like":[59,95],"manner,":[60,96],"distinct":[61,97],"from":[62,98],"B12.\n\nPlease":[64],"publish":[65],"following":[67],"correction:\n\nThe":[68],"B12a,":[73],"lactis":[78],"B12.\n\nThis":[100],"will":[101],"necessitate":[103],"transposition":[105],"theheadings":[107],"A":[108],"B":[110],"Table":[112],"1":[113],"626.":[116]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}