{"id":"W7116849284","doi":"10.2139/ssrn.5959163","title":"Toxicity, Bioconcentration and Maternal Transfer of Short Chain Perfluoroalkyl Sulfonic Acids (PFSAs) and Perfluoroalkyl Carboxylic Acids (PFCAs) in the freshwater snail Planorbella pilsbryi","year":2025,"lang":"","type":"preprint","venue":"SSRN Electronic Journal","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Ontario Tech University; Environment and Climate Change Canada","funders":"","keywords":"Bioconcentration; Carbon chain; Freshwater snail; Toxicant; Sulfonic acid; Long chain; Toxicity; Carboxylic acid","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":[0.0001116032,0.0001907422,0.0001186948,0.0001880149,0.0001550955,0.0002723179,0.0002013638,0.0002693608,0.0008555223],"category_scores_gemma":[0.0003411548,0.0001649081,0.0001157117,0.0001457928,0.0002667392,0.0001965656,0.0002916135,0.000312276,0.0002381047],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007155869,"about_ca_system_score_gemma":0.0003525572,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005073017,"about_ca_topic_score_gemma":0.003615025,"domain_scores_codex":[0.9999093,0.00001460839,0.000005703733,0.00003239858,0.0000219586,0.00001606381],"domain_scores_gemma":[0.9998296,0.00004813237,0.00005171345,0.0000156226,0.00003180736,0.00002298934],"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":[0.0005457888,0.00003173432,0.009664047,0.00003803001,0.000009673123,0.00007926883,0.0001356324,0.00019518,0.9853329,0.0001821256,0.00006034804,0.003725299],"study_design_scores_gemma":[0.00002396993,0.001235054,0.1211313,0.00001325018,0.00004680453,0.0003813572,0.0003075043,0.001264425,0.8734338,0.0003021958,0.001846866,0.00001350376],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988499,0.0001980045,0.0002923821,0.00002961333,0.000003126063,0.00000217761,0.0001399611,0.00000698045,0.0004778299],"genre_scores_gemma":[0.9963524,0.0002482818,0.0003496163,0.00002056314,0.000001731713,0.000008476176,0.0001969813,0.000005607702,0.002816302],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005073017,"threshold_uncertainty_score":0.01008695,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01147497818097842,"score_gpt":0.2519883053563697,"score_spread":0.2405133271753913,"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."}}