{"id":"W4413876898","doi":"10.1021/acs.estlett.5c00678","title":"Trifluoroacetic Acid in Australian Human Urine Samples","year":2025,"lang":"en","type":"article","venue":"Environmental Science & Technology Letters","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph","funders":"University of Queensland; Queensland Health","keywords":"Trifluoroacetic acid; Urine; Chromatography; Chemistry; Biochemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001038736,0.0002750312,0.0003476229,0.00195581,0.0007250884,0.0006110753,0.0003545452,0.0005105939,0.0008029791],"category_scores_gemma":[0.001787702,0.0002114853,0.0002932462,0.001950076,0.000359822,0.0001586587,0.0003350376,0.0001799942,0.0003908869],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006261333,"about_ca_system_score_gemma":0.0009228587,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0383142,"about_ca_topic_score_gemma":0.04128696,"domain_scores_codex":[0.9982107,0.0003528272,0.0001838467,0.0003586732,0.0007713606,0.0001226986],"domain_scores_gemma":[0.99922,0.00007018277,0.0001445645,0.00004636424,0.0004759198,0.00004299108],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009931927,0.0003962035,0.555993,0.0008996972,0.0003476391,0.001724139,0.005455106,0.0004046839,0.3320464,0.0003038617,0.002042366,0.09939362],"study_design_scores_gemma":[0.00001540289,0.0006635033,0.9390192,0.0000796758,0.00008047865,0.003055355,0.0008231423,0.0006031163,0.04651316,0.0001052562,0.009009568,0.00003213038],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9898551,0.001431171,0.002432122,0.00009905499,0.00002359134,0.0002216651,0.001839985,0.00006557126,0.004031781],"genre_scores_gemma":[0.9751961,0.002012738,0.01222711,0.0004136663,0.00003323143,0.0002362736,0.003138229,0.00001937007,0.006723204],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0383142,"threshold_uncertainty_score":0.07618237,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01041943861340295,"score_gpt":0.2676041465901117,"score_spread":0.2571847079767087,"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."}}