{"id":"W1653885881","doi":"10.1021/acs.analchem.5b01850","title":"Headspace versus Direct Immersion Solid Phase Microextraction in Complex Matrixes: Investigation of Analyte Behavior in Multicomponent Mixtures","year":2015,"lang":"en","type":"article","venue":"Analytical Chemistry","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":91,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"European Social Fund; Natural Sciences and Engineering Research Council of Canada; Sigma-Aldrich Corporation","keywords":"Analyte; Chemistry; Solid-phase microextraction; Coating; Matrix (chemical analysis); Chromatography; Analytical Chemistry (journal); Mass spectrometry; Gas chromatography–mass spectrometry; 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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006186859,0.0003997489,0.0007494935,0.0001272502,0.00003391381,0.00003081046,0.0003452025,0.0004015168,0.000714668],"category_scores_gemma":[0.0006851106,0.0004239497,0.0001975466,0.0005959817,0.0002837217,0.0001340514,0.0001423834,0.0006181281,0.00001859421],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009139739,"about_ca_system_score_gemma":0.0002283913,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002444201,"about_ca_topic_score_gemma":0.00001739983,"domain_scores_codex":[0.9969687,0.00006589663,0.001079388,0.0006909893,0.0006415324,0.0005534494],"domain_scores_gemma":[0.9981492,0.0003791846,0.0002976038,0.0005062004,0.0001720526,0.0004957181],"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":[0.001045878,0.0007290184,0.01994995,0.0003201164,0.00006578007,0.00009901976,0.0001447637,0.000133162,0.9768284,0.000005976546,0.0003426149,0.0003353161],"study_design_scores_gemma":[0.005627308,0.00003802243,0.002051215,0.0001385892,0.0001704321,0.00001405217,0.0007956478,0.01894655,0.9713376,0.00004925228,0.0003605713,0.0004708328],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9912158,0.0001409967,0.0003322626,0.0002945778,0.00004159444,0.0001076198,0.00003210427,0.00005128553,0.007783743],"genre_scores_gemma":[0.9953725,0.00002675509,0.003538897,0.00002447438,0.00008991046,0.00002946035,0.0003611552,0.00003568465,0.000521192],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01881338,"threshold_uncertainty_score":0.9998212,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0990686451314599,"score_gpt":0.3954397641660277,"score_spread":0.2963711190345678,"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."}}