{"id":"W3005761498","doi":"10.1039/c9ra08676e","title":"Development and validation of a headspace needle-trap method for rapid quantitative estimation of butylated hydroxytoluene from cosmetics by hand-portable GC-MS","year":2020,"lang":"en","type":"article","venue":"RSC Advances","topic":"Advanced Chemical Sensor Technologies","field":"Engineering","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Butylated hydroxytoluene; Cosmetics; Chemistry; Chromatography; Antioxidant; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.00004286935,0.0001395392,0.000316535,0.00003713684,0.00003008386,0.000007750344,0.00008213134,0.00007832373,0.000004912819],"category_scores_gemma":[0.0002560865,0.0001401254,0.00002503455,0.0001998433,0.00007018657,0.0001967621,0.00001866767,0.00007347337,5.73402e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002754128,"about_ca_system_score_gemma":0.00000552736,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006037606,"about_ca_topic_score_gemma":0.000001829624,"domain_scores_codex":[0.9992201,0.000009740331,0.0003349374,0.0001767068,0.0001168056,0.0001417594],"domain_scores_gemma":[0.9993646,0.0003007122,0.0001492083,0.00008557447,0.00006011416,0.00003977542],"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":[0.00004235411,0.00001379773,0.0000263682,0.0001984109,0.00005203685,1.863376e-7,0.001074842,0.1408806,0.8339525,0.00017202,0.00005527368,0.02353156],"study_design_scores_gemma":[0.0003512062,0.00007392988,0.0000086037,0.00004419661,0.0000227494,2.169204e-7,0.0006184243,0.1373614,0.8578023,0.001808806,0.001783077,0.0001250931],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.4559307,0.002608079,0.5410264,0.00006051364,0.00002010382,0.0001613563,0.00006382681,0.0001100018,0.00001905539],"genre_scores_gemma":[0.4802034,0.0001840583,0.5194989,0.00000657967,0.000003540554,0.00001688533,0.00007021961,0.00001362709,0.000002749927],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.02427274,"threshold_uncertainty_score":0.5714148,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02439619763387612,"score_gpt":0.2880067157034026,"score_spread":0.2636105180695265,"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."}}