{"id":"W1899276437","doi":"10.1002/dta.1384","title":"Interconversion of ephedrine and pseudoephedrine during chemical derivatization","year":2012,"lang":"en","type":"article","venue":"Drug Testing and Analysis","topic":"Pharmacology and Obesity Treatment","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"World Anti-Doping Agency","keywords":"Derivatization; Chemistry; Chromatography; Trifluoroacetic anhydride; Pseudoephedrine; Ephedrine; Mass spectrometry; Gas chromatography–mass spectrometry; Gas chromatography; Diastereomer; Organic chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007077978,0.0005084187,0.0003150321,0.0004816947,0.0003089133,0.0003812356,0.0002942816,0.0005762255,0.0005898027],"category_scores_gemma":[0.001234833,0.0002616487,0.0003876101,0.0004483,0.0005610441,0.000475784,0.0003711761,0.0005854428,0.0003251344],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004084745,"about_ca_system_score_gemma":0.0004010801,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001126151,"about_ca_topic_score_gemma":0.002023827,"domain_scores_codex":[0.9991863,0.0001568191,0.00004010327,0.0002130349,0.0003119571,0.0000917566],"domain_scores_gemma":[0.9995099,0.0001660983,0.00009916974,0.00006377394,0.0001351001,0.0000259381],"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":[0.00009512118,0.000007261882,0.0005033317,0.00004844698,0.00002031698,0.00007713182,0.00005070605,0.00006712061,0.99607,0.00007259392,0.00001837354,0.002969487],"study_design_scores_gemma":[0.00000352414,0.00006574728,0.002474273,0.000004855922,0.00001432852,0.0001434681,0.00001719477,0.0004787324,0.9958657,0.00005415232,0.0008724161,0.000005606406],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9271102,0.006200139,0.06263186,0.0001658838,0.0001468167,0.0001712044,0.0006453395,0.0002562336,0.002672324],"genre_scores_gemma":[0.9479917,0.00436811,0.04282753,0.0003020377,0.00004883944,0.000231852,0.0007797865,0.0001214662,0.003328654],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001126151,"threshold_uncertainty_score":0.003743291,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01505842497626046,"score_gpt":0.2703431820804715,"score_spread":0.2552847571042111,"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."}}