{"id":"W2046714833","doi":"10.1016/s0731-7085(02)00384-9","title":"Identification of N1-methyl-2-pyridone-5-carboxamide and N1-methyl-4-pyridone-5-carboxamide as components in urine extracts of individuals consuming coffee","year":2002,"lang":"en","type":"article","venue":"Journal of Pharmaceutical and Biomedical Analysis","topic":"Coffee research and impacts","field":"Medicine","cited_by":14,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University","funders":"","keywords":"Chemistry; Urine; Chromatography; Carboxamide; High-performance liquid chromatography; Extraction (chemistry); Elution; Acetonitrile; Yield (engineering); Stereochemistry; Biochemistry","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":[0.000219902,0.000501009,0.0003430291,0.0009830503,0.0006151393,0.0002891656,0.000241999,0.0005849771,0.0007746302],"category_scores_gemma":[0.0008600036,0.0003660568,0.000385369,0.0004607539,0.0004358133,0.0002341249,0.0002544609,0.0003736962,0.0002239521],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002364143,"about_ca_system_score_gemma":0.000401253,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004198548,"about_ca_topic_score_gemma":0.005098809,"domain_scores_codex":[0.999681,0.00005829841,0.00002312149,0.00008732919,0.00008950191,0.00006074686],"domain_scores_gemma":[0.9994667,0.0001126915,0.000151501,0.00003843443,0.0001070851,0.0001235524],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.002025815,0.000140608,0.02788148,0.0001481867,0.0001270632,0.001167163,0.0002938087,0.00008657431,0.9575852,0.00006106152,0.00006889941,0.01041426],"study_design_scores_gemma":[0.00006462453,0.002604158,0.4199009,0.00003419004,0.0002311146,0.008803608,0.0004089746,0.001132387,0.564833,0.00008772397,0.00185803,0.00004130754],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9953448,0.002405343,0.001248073,0.00004037989,0.00002633809,0.00003088625,0.0002381988,0.00003513542,0.0006307201],"genre_scores_gemma":[0.9965861,0.0006698876,0.00177614,0.00005228626,0.00001839716,0.00001984803,0.0002379721,0.00001115348,0.0006282027],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004198548,"threshold_uncertainty_score":0.008348227,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06816705360440833,"score_gpt":0.3716233459473491,"score_spread":0.3034562923429407,"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."}}