{"id":"W4366463023","doi":"10.1021/acs.analchem.2c05099","title":"Compound-Specific Carbon, Hydrogen, and Nitrogen Isotope Analysis of Nitro- and Amino-Substituted Chlorobenzenes in Complex Aqueous Matrices","year":2023,"lang":"en","type":"article","venue":"Analytical Chemistry","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"University of Toronto; Natural Sciences and Engineering Research Council of Canada; Canada Research Chairs","keywords":"Chemistry; Solid phase extraction; Isotope analysis; Environmental chemistry; Fractionation; Extraction (chemistry); Aqueous solution; Matrix (chemical analysis); Chromatography; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0004155119,0.0004679887,0.001176043,0.000272211,0.00008317248,0.00006355305,0.0003846333,0.0003614321,0.0007842181],"category_scores_gemma":[0.000241945,0.0004813237,0.0002235942,0.002425813,0.0005367757,0.00006501951,0.0003775755,0.0004096217,0.000007045458],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001541589,"about_ca_system_score_gemma":0.0000700176,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001650799,"about_ca_topic_score_gemma":0.00002116874,"domain_scores_codex":[0.9968488,0.0000330517,0.001000954,0.0009162369,0.0005429671,0.0006580323],"domain_scores_gemma":[0.9980872,0.0005716146,0.0002238832,0.0005865101,0.0001349195,0.0003959073],"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":[0.0001386591,0.000215286,0.2584273,0.001157153,0.00213113,0.0003764356,0.0001723599,0.0001619896,0.7360253,0.0001571671,0.0001359917,0.0009012327],"study_design_scores_gemma":[0.001655568,0.00001425187,0.02300967,0.0001464106,0.002269721,0.00009028723,0.0008758454,0.173784,0.7935307,0.001494234,0.001797258,0.001332065],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9896843,0.001029605,0.00006343071,0.0001555991,0.000007463195,0.00006771692,0.00006903202,0.0001356792,0.008787136],"genre_scores_gemma":[0.9974083,0.0007256607,0.0009084841,0.00002675666,0.00006628188,0.00001961058,0.000344138,0.00004014272,0.000460597],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2354176,"threshold_uncertainty_score":0.9997638,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03641226233194415,"score_gpt":0.2834545010049079,"score_spread":0.2470422386729638,"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."}}