{"id":"W2781803609","doi":"10.1021/acs.estlett.7b00554","title":"Tracing the Biotransformation of Polycyclic Aromatic Hydrocarbons in Contaminated Soil Using Stable Isotope-Assisted Metabolomics","year":2018,"lang":"en","type":"article","venue":"Environmental Science & Technology Letters","topic":"Toxic Organic Pollutants Impact","field":"Environmental Science","cited_by":54,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"H2020 Marie Skłodowska-Curie Actions; National Institute of Environmental Health Sciences","keywords":"Biotransformation; Tracing; Environmental chemistry; Chemistry; Metabolomics; Soil contamination; Contamination; Polycyclic aromatic hydrocarbon; Stable isotope ratio; Organic chemistry; Chromatography; Biology; Ecology; Computer science","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":"codex-gemma-dda1882f352a","candidate_categories":["sts"],"consensus_categories":[],"category_scores_codex":[0.000743047,0.00021208,0.0002373827,0.0003944064,0.0003885278,0.00002670782,0.0008962427,0.0001227884,0.0001041665],"category_scores_gemma":[0.0000516967,0.0001677089,0.00004462477,0.002119452,0.006553113,0.0006945116,0.0002227351,0.0002654602,0.00008732531],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008820408,"about_ca_system_score_gemma":0.00002685328,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002984568,"about_ca_topic_score_gemma":0.0002149672,"domain_scores_codex":[0.9978817,0.00006202319,0.0004559759,0.0004164097,0.0004970128,0.0006868807],"domain_scores_gemma":[0.9991544,0.00003294623,0.0002310712,0.0005051287,1.45528e-7,0.00007631653],"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":[0.000007472015,0.00006256917,0.02206575,4.891075e-7,0.000006190704,0.000003315532,0.0006699349,0.00004173626,0.956903,0.000002522732,0.000003455499,0.02023351],"study_design_scores_gemma":[0.0004033526,0.00007489022,0.3231989,0.00001839159,0.00002322414,0.00007243401,0.0008278172,0.006638206,0.6683446,0.0001395166,0.00006052852,0.0001981475],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962882,0.00003192072,0.001099373,0.001698034,0.0001163381,0.0003454156,0.000007723253,0.00006145163,0.0003515003],"genre_scores_gemma":[0.9985797,0.00000958741,0.0009550179,0.0004116933,0.000009092845,0.000006420143,5.402098e-7,0.00001643205,0.00001148566],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3011332,"threshold_uncertainty_score":0.9961505,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007544439286279939,"score_gpt":0.2148270421213715,"score_spread":0.2072826028350916,"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."}}