{"id":"W1965377187","doi":"10.1255/ejms.761","title":"Identification of Fentanyl, Alfentanil, Sufentanil, Remifentanil and Their Major Metabolites in Human Urine by Liquid Chromatography/Tandem Mass Spectrometry for Doping Control Purposes","year":2005,"lang":"en","type":"article","venue":"European Journal of Mass Spectrometry","topic":"Forensic Toxicology and Drug Analysis","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":54,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"World Anti-Doping Agency","keywords":"Sufentanil; Chromatography; Alfentanil; Chemistry; Mass spectrometry; Electrospray ionization; Fentanyl; Remifentanil; Tandem mass spectrometry; Liquid chromatography–mass spectrometry; Electrospray; Pharmacology; Medicine; Propofol","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.004536812,0.0004773616,0.001138004,0.00136281,0.0002905036,0.00006177961,0.0006249198,0.0002007554,0.0006158395],"category_scores_gemma":[0.0002386206,0.0004265349,0.0005239095,0.001015489,0.0004642799,0.0004087313,0.00006707347,0.001031686,0.00001001462],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000218017,"about_ca_system_score_gemma":0.00005574109,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000324092,"about_ca_topic_score_gemma":0.00001327787,"domain_scores_codex":[0.9950404,0.001372935,0.002077343,0.0004903926,0.0003303902,0.0006885864],"domain_scores_gemma":[0.9968147,0.0006287339,0.001697324,0.0003182908,0.0002263199,0.0003146759],"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":[0.0009457211,0.0005814454,0.02216627,0.00008376975,0.001319573,0.00007501684,0.0002728768,0.00007942232,0.9708995,0.001136143,0.001724293,0.0007159337],"study_design_scores_gemma":[0.01028796,0.001942348,0.01582296,0.00009633718,0.001104414,0.0003284577,0.001192501,0.0004346311,0.960702,0.0009672566,0.006545685,0.0005754682],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9728613,0.01201664,0.01158627,0.00130118,0.0005258835,0.0004903009,0.0002001838,0.00004453694,0.0009737024],"genre_scores_gemma":[0.9943351,0.001497775,0.002700874,0.0005223893,0.0006337023,0.000008535969,0.00002825868,0.00007202295,0.000201374],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02147377,"threshold_uncertainty_score":0.9998186,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02377129019621872,"score_gpt":0.3246674867006189,"score_spread":0.3008961965044002,"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."}}