{"id":"W3194150486","doi":"10.1007/s00216-021-03576-1","title":"Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 — Part 1 liquid chromatography – tandem mass spectrometry (LC-MS/MS) assays — impact of 3-epi-25-hydroxyvitamin D3 on assay performance","year":2021,"lang":"en","type":"article","venue":"Analytical and Bioanalytical Chemistry","topic":"Vitamin D Research Studies","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":false,"ca_institutions":"Theratechnologies (Canada)","funders":"NIH Office of the Director","keywords":"Chromatography; Chemistry; Liquid chromatography–mass spectrometry; Isotope dilution; Tandem mass spectrometry; Mass spectrometry; Calcifediol; Vitamin D and neurology; High-performance liquid chromatography; Calcitriol; Internal medicine; Medicine; Calcium","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.04452768,0.002103498,0.001316424,0.002123035,0.001994699,0.002823069,0.002576527,0.002782187,0.001003199],"category_scores_gemma":[0.04011817,0.001573946,0.002013176,0.002279041,0.001818317,0.0007156832,0.002072241,0.001546241,0.0006752933],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002405283,"about_ca_system_score_gemma":0.006565839,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007895402,"about_ca_topic_score_gemma":0.009783054,"domain_scores_codex":[0.9240974,0.04402532,0.005468744,0.008240258,0.01739172,0.0007766247],"domain_scores_gemma":[0.9749775,0.007954783,0.002981462,0.0058759,0.007483297,0.0007270043],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.04570042,0.005652257,0.2360431,0.002648057,0.01566821,0.0004323832,0.008181894,0.008701611,0.4832593,0.004486033,0.0122896,0.1769371],"study_design_scores_gemma":[0.007216339,0.02488771,0.3926505,0.0005141433,0.006427759,0.002685547,0.001332536,0.02171784,0.4854238,0.002813366,0.05384903,0.0004815278],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8281154,0.01342895,0.1388021,0.0009900874,0.001825743,0.00425758,0.005347634,0.002378515,0.004854039],"genre_scores_gemma":[0.8954048,0.001800296,0.08456644,0.002002931,0.0002823314,0.003308539,0.008338961,0.0004102756,0.003885509],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04452768,"threshold_uncertainty_score":0.2354877,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02233193111548945,"score_gpt":0.3398278475408824,"score_spread":0.317495916425393,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}