{"id":"W2425600952","doi":"10.1021/acs.analchem.6b01449","title":"Solid Phase Microextraction On-Fiber Derivatization Using a Stable, Portable, and Reusable Pentafluorophenyl Hydrazine Standard Gas Generating Vial","year":2016,"lang":"en","type":"article","venue":"Analytical Chemistry","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":38,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada; PerkinElmer","keywords":"Chemistry; Derivatization; Solid-phase microextraction; Vial; Chromatography; Hydrazine (antidepressant); Fiber; Gas chromatography–mass spectrometry; Organic chemistry; Mass spectrometry","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":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.000408874,0.0005156105,0.0006035622,0.0000428703,0.0003027219,0.0001453029,0.0002390536,0.0003680255,0.01121851],"category_scores_gemma":[0.0009798614,0.0004270501,0.000139887,0.0002693234,0.0002673939,0.000267652,0.0001725986,0.0003963432,0.00003877573],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006593533,"about_ca_system_score_gemma":0.0002467704,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000147849,"about_ca_topic_score_gemma":0.000001153424,"domain_scores_codex":[0.9966838,0.00003129945,0.0008783208,0.0009690496,0.0006693492,0.0007681604],"domain_scores_gemma":[0.9980087,0.0003347846,0.0003043169,0.0005904915,0.0002509775,0.0005107317],"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":[0.000302752,0.0002049922,0.0005587358,0.0002416527,0.0001501378,0.00006604083,0.00001440462,0.00005840387,0.9931646,0.0000315535,0.0005900285,0.00461672],"study_design_scores_gemma":[0.002174029,0.00003395981,0.000008068374,0.0002809947,0.0001964803,0.000103132,0.00004982828,0.01443237,0.9752398,0.0002925076,0.006580524,0.0006082833],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9186645,0.0000927682,0.06122443,0.0004586628,0.00004569135,0.0001081502,0.0001164075,0.0001701547,0.01911919],"genre_scores_gemma":[0.9404882,0.0001071704,0.03737827,0.0001915657,0.001014838,0.00002813168,0.0001803911,0.0001527438,0.0204587],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02384616,"threshold_uncertainty_score":0.9998181,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02967632375382553,"score_gpt":0.3487578210101281,"score_spread":0.3190814972563026,"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."}}