{"id":"https://openalex.org/W2000990217","doi":"https://doi.org/10.1210/jcem-21-3-305","title":"SPECIFICITY OF THE TRIHYDROXYINDOLE METHOD FOR DETERMINATION OF URINARY CATECHOLAMINES*","display_name":"SPECIFICITY OF THE TRIHYDROXYINDOLE METHOD FOR DETERMINATION OF URINARY CATECHOLAMINES*","publication_year":1961,"publication_date":"1961-03-01","ids":{"openalex":"https://openalex.org/W2000990217","doi":"https://doi.org/10.1210/jcem-21-3-305","mag":"2000990217","pmid":"https://pubmed.ncbi.nlm.nih.gov/13718582"},"language":"en","primary_location":{"id":"doi:10.1210/jcem-21-3-305","doi":"https://doi.org/10.1210/jcem-21-3-305","is_oa":false,"landing_page_url":"https://doi.org/10.1210/jcem-21-3-305","pdf_url":null,"source":{"id":"https://openalex.org/S205775358","display_name":"The Journal of Clinical Endocrinology & Metabolism","issn_l":"0021-972X","issn":["0021-972X","1945-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Clinical Endocrinology &amp; Metabolism","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/A5038464884","display_name":"Stanley Jacobs","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. L. JACOBS","raw_affiliation_strings":["Bio-Science Laboratorie Los Angeles, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bio-Science Laboratorie Los Angeles, California","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009032915","display_name":"Charles Sobel","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"CHARLES SOBEL","raw_affiliation_strings":["Bio-Science Laboratorie Los Angeles, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bio-Science Laboratorie Los Angeles, California","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110307644","display_name":"Richard J. Henry","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"RICHARD J. HENRY","raw_affiliation_strings":["Bio-Science Laboratorie Los Angeles, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bio-Science Laboratorie Los Angeles, California","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3750,"currency":"USD","value_usd":3750},"apc_paid":null,"fwci":1.8015,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.81329923,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"3","first_page":"305","last_page":"314"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11027","display_name":"Metabolism and Genetic Disorders","score":0.36010000109672546,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"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"}},"topics":[{"id":"https://openalex.org/T11027","display_name":"Metabolism and Genetic Disorders","score":0.36010000109672546,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"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/T11460","display_name":"Analytical Methods in Pharmaceuticals","score":0.28439998626708984,"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/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.10909999907016754,"subfield":{"id":"https://openalex.org/subfields/3607","display_name":"Medical Laboratory Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/urinary-catecholamines","display_name":"urinary catecholamines","score":0.9950000047683716},{"id":"https://openalex.org/keywords/false-positive-results","display_name":"false positives","score":0.6909999847412109},{"id":"https://openalex.org/keywords/interfering-substances","display_name":"interfering substances","score":0.5299999713897705},{"id":"https://openalex.org/keywords/ion-exchange-resin-purification","display_name":"ion exchange resin purification","score":0.9129999876022339},{"id":"https://openalex.org/keywords/acid-hydrolysis","display_name":"acid hydrolysis","score":0.8709999918937683},{"id":"https://openalex.org/keywords/24-hour-urine-collection","display_name":"24-hour urine collection","score":0.968999981880188},{"id":"https://openalex.org/keywords/exercise","display_name":"physical activity","score":0.5289999842643738},{"id":"https://openalex.org/keywords/reference-values","display_name":"reference values","score":0.5590000152587891}],"concepts":[{"id":"https://openalex.org/C2780026642","wikidata":"https://www.wikidata.org/wiki/Q40924","display_name":"Urine","level":2,"score":0.8197247982025146},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6567096710205078},{"id":"https://openalex.org/C77411442","wikidata":"https://www.wikidata.org/wiki/Q181100","display_name":"Urinary system","level":2,"score":0.653102695941925},{"id":"https://openalex.org/C2775894120","wikidata":"https://www.wikidata.org/wiki/Q271663","display_name":"Catecholamine","level":2,"score":0.649867057800293},{"id":"https://openalex.org/C91881484","wikidata":"https://www.wikidata.org/wiki/Q191807","display_name":"Fluorescence","level":2,"score":0.6068320274353027},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.5948208570480347},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5218561887741089},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.4999353885650635},{"id":"https://openalex.org/C2993001476","wikidata":"https://www.wikidata.org/wiki/Q13553575","display_name":"Excitation wavelength","level":3,"score":0.44675397872924805},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.2596873641014099},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.228945791721344},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D002395","descriptor_name":"Catecholamines","qualifier_ui":"Q000652","qualifier_name":"urine","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007211","descriptor_name":"Indoles","qualifier_ui":"Q000494","qualifier_name":"pharmacology","is_major_topic":true},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1210/jcem-21-3-305","doi":"https://doi.org/10.1210/jcem-21-3-305","is_oa":false,"landing_page_url":"https://doi.org/10.1210/jcem-21-3-305","pdf_url":null,"source":{"id":"https://openalex.org/S205775358","display_name":"The Journal of Clinical Endocrinology & Metabolism","issn_l":"0021-972X","issn":["0021-972X","1945-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Clinical Endocrinology &amp; Metabolism","raw_type":"journal-article"},{"id":"pmid:13718582","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/13718582","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 Journal of clinical endocrinology and metabolism","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4000000059604645,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1018185452","https://openalex.org/W1996784589","https://openalex.org/W1965120426","https://openalex.org/W2462256279","https://openalex.org/W2031366370","https://openalex.org/W618025489","https://openalex.org/W256547338","https://openalex.org/W2094733324","https://openalex.org/W1968824943","https://openalex.org/W2061893905"],"abstract_inverted_index":{"A":[0],"wave":[1],"length":[2],"of":[3,8,26,46,57,65,75],"365":[4,40],"m\u03bc":[5,72],"for":[6,14,101],"excitation":[7],"fluorescence":[9,60],"in":[10,116],"the":[11,76,86],"trihydroxyindole":[12],"method":[13],"urinary":[15],"catecholamines":[16],"was":[17],"shown":[18],"to":[19],"be":[20],"less":[21],"specific":[22],"than":[23],"a":[24],"wavelength":[25],"405":[27,53,71],"m\u03bc.":[28,54],"Of":[29],"6000":[30],"urines":[31],"studied,":[32],"256":[33],"were":[34,48,98],"apparently":[35],"abnormal":[36],"when":[37,50],"examined":[38,51],"using":[39],"m\u03bc,":[41],"but":[42],"23":[43],"per":[44],"cent":[45],"these":[47],"normal":[49],"with":[52,70,80],"Spectrophotofluorometric":[55],"examination":[56],"activation":[58],"and":[59,104],"spectra":[61],"revealed":[62],"occasional":[63],"instances":[64],"falsely":[66],"high":[67],"results,":[68],"even":[69],"Further":[73],"purification":[74],"urine":[77,106],"by":[78],"treatment":[79],"ion":[81],"exchange":[82],"resin":[83],"successfully":[84],"removed":[85],"interfering":[87,94],"material.":[88,95],"Acid":[89],"hydrolysis":[90],"occasionally":[91],"produced":[92],"nonspecific":[93],"Normal":[96],"values":[97],"obtained":[99],"both":[100],"random":[102],"samples":[103],"24-hour":[105],"collections.":[107],"Moderate":[108],"exercise":[109],"did":[110],"not":[111],"cause":[112],"any":[113],"significant":[114],"increase":[115],"catecholamine":[117],"output.":[118]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
