{"id":"W3169071095","doi":"10.1016/j.chroma.2021.462335","title":"Ion exchange solid phase microextraction coupled to liquid chromatography/laminar flow tandem mass spectrometry for the determination of perfluoroalkyl substances in water samples","year":2021,"lang":"en","type":"article","venue":"Journal of Chromatography A","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":47,"is_retracted":false,"has_abstract":false,"ca_institutions":"PerkinElmer Biosignal","funders":"National Oceanic and Atmospheric Administration","keywords":"Chemistry; Chromatography; Solid-phase microextraction; Detection limit; Mass spectrometry; Extraction (chemistry); Solid phase extraction; Tandem mass spectrometry; Gas chromatography–mass spectrometry","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":[],"consensus_categories":[],"category_scores_codex":[0.001162393,0.0002356326,0.0004684596,0.0005255359,0.0001926456,0.00007588551,0.000434792,0.000120207,0.0008894348],"category_scores_gemma":[0.0000669158,0.0001603741,0.0004454325,0.001307151,0.0002140778,0.0005294369,0.00005750886,0.0002680194,0.000006964719],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001426259,"about_ca_system_score_gemma":0.00004411049,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000520454,"about_ca_topic_score_gemma":0.0005128799,"domain_scores_codex":[0.9974226,0.0001569892,0.0007878162,0.0002969626,0.0007984687,0.0005372151],"domain_scores_gemma":[0.9987783,0.000282711,0.0003478141,0.0002867003,0.0001380583,0.0001664207],"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":[0.000599032,0.0003921073,0.01021598,0.00007549417,0.00006260403,0.00005312583,0.001491295,0.0001332829,0.95728,0.000004859908,0.00038821,0.02930404],"study_design_scores_gemma":[0.002614041,0.001597747,0.03154115,0.0001975265,0.00008103088,0.0002033204,0.001154804,0.00252947,0.9496827,0.000310426,0.00979147,0.0002963186],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9533651,0.01704281,0.02826469,0.0004633462,0.0003010191,0.0004212536,0.0000274776,0.00001079877,0.0001034808],"genre_scores_gemma":[0.9870256,0.003262963,0.009368138,0.00006755959,0.0001652947,0.00004490962,0.00001300261,0.00002504383,0.00002750742],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03366045,"threshold_uncertainty_score":0.9738688,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02084015696161348,"score_gpt":0.3091560223020997,"score_spread":0.2883158653404863,"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."}}