{"id":"W1543918135","doi":"10.1002/dta.408","title":"Examination of the kinetic isotopic effect to the acetylation derivatization for the gas chromatographic‐combustion‐isotope ratio mass spectrometric doping control analysis of endogenous steroids","year":2012,"lang":"en","type":"article","venue":"Drug Testing and Analysis","topic":"Hormonal and reproductive studies","field":"Medicine","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"World Anti-Doping Agency; Partnership for Clean Competition","keywords":"Chemistry; Acetic anhydride; Derivatization; Reagent; Chromatography; Kinetic isotope effect; Isotope-ratio mass spectrometry; Mass spectrometry; Analytical Chemistry (journal); Organic chemistry; Deuterium","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":[0.001836732,0.0004816065,0.0002743453,0.0004642593,0.0004549636,0.0003867657,0.0005556041,0.000523779,0.001381794],"category_scores_gemma":[0.004372125,0.0002663857,0.0003237968,0.0006574487,0.0006046171,0.0002613605,0.0002169758,0.0005534898,0.0004515568],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005028623,"about_ca_system_score_gemma":0.0007140777,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003645336,"about_ca_topic_score_gemma":0.005824884,"domain_scores_codex":[0.9987497,0.0003264447,0.00004944584,0.0001912787,0.0006024707,0.00008072593],"domain_scores_gemma":[0.9984297,0.0006222232,0.0002068918,0.0002048685,0.0004965491,0.00003977892],"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":[0.0004788913,0.00005254939,0.006501055,0.0001249851,0.00004994396,0.0001361398,0.00008673147,0.0003788764,0.9763366,0.0003796358,0.00008705872,0.01538749],"study_design_scores_gemma":[0.000009184962,0.0003595319,0.02125801,0.00001076068,0.00006362556,0.0003107557,0.00003393939,0.001573959,0.9730856,0.0001038279,0.003175826,0.00001495634],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9005385,0.008762111,0.07803681,0.0003909575,0.000371609,0.0002871222,0.0008088707,0.0002204702,0.01058348],"genre_scores_gemma":[0.9549489,0.002847715,0.03515187,0.0003914147,0.00006282806,0.0001625027,0.0006282028,0.0001218392,0.00568474],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003645336,"threshold_uncertainty_score":0.009713709,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02293367125599306,"score_gpt":0.2503706453397893,"score_spread":0.2274369740837962,"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."}}