{"id":"W2400046829","doi":"10.1021/es011253a","title":"Hydrogen Isotopic Enrichment:  An Indicator of Biodegradation at a Petroleum Hydrocarbon Contaminated Field Site","year":2002,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Microbial bioremediation and biosurfactants","field":"Environmental Science","cited_by":95,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Ethylbenzene; Biodegradation; BTEX; Environmental chemistry; Benzene; Hydrocarbon; Carbon fibers; Chemistry; Isotope analysis; Organic chemistry; Geology; Materials 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":["insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.0002207175,0.0001754573,0.0001737181,0.0002713189,0.0002322229,0.00001256216,0.0005951285,0.0001823632,0.006619636],"category_scores_gemma":[0.00002326098,0.0001611381,0.00004044343,0.0007109341,0.001460362,0.000322901,0.0004606015,0.0001372376,0.001325269],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005112744,"about_ca_system_score_gemma":0.000005067046,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006520816,"about_ca_topic_score_gemma":0.00006120439,"domain_scores_codex":[0.9981788,0.00002957708,0.000304746,0.0005839618,0.0004808565,0.0004220586],"domain_scores_gemma":[0.9992075,0.00001328753,0.0002123282,0.0004231583,0.000001711991,0.0001419976],"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":[0.000005301668,0.0001549294,0.2327836,9.677279e-7,0.000002377218,0.000002861894,0.0001634455,0.000009247634,0.7625983,0.000009805325,0.00009320458,0.004176025],"study_design_scores_gemma":[0.0004211441,0.0004568888,0.05963087,0.000004085171,0.00001099556,0.00001853442,0.000108641,0.001735793,0.9314064,0.00004413661,0.005936726,0.0002258305],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972605,0.00006539007,0.00001665464,0.0005204173,0.00008563753,0.000229073,0.00002108571,0.0000756726,0.001725639],"genre_scores_gemma":[0.9989392,0.00008683268,0.0001726744,0.00024511,0.00001079284,0.000008915168,0.00001645365,0.000008496135,0.0005115665],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1731527,"threshold_uncertainty_score":0.9994523,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005071248782787172,"score_gpt":0.1886986240467134,"score_spread":0.1836273752639263,"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."}}