{"id":"W2009179670","doi":"10.1021/ol035589w","title":"A New Method to Study Antioxidant Capability:  Hydrogen Transfer from Phenols to a Prefluorescent Nitroxide","year":2003,"lang":"en","type":"article","venue":"Organic Letters","topic":"Free Radicals and Antioxidants","field":"Chemistry","cited_by":60,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"","keywords":"Chemistry; Nitroxide mediated radical polymerization; Trolox; Hydroxylamine; Photochemistry; Phenols; Reaction rate constant; Chromophore; Deuterium; Radical; Hydrogen atom; Fluorescence; Hydrogen atom abstraction; Hydrogen; Organic chemistry; Antioxidant; Kinetics; Polymerization; Radical polymerization; Group (periodic table); Antioxidant capacity","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":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0003360493,0.0003840603,0.0004942266,0.00007394673,0.0001117739,0.00008622943,0.0004919579,0.0001035726,0.005346158],"category_scores_gemma":[0.0001387614,0.0003587783,0.0001550937,0.0004024607,0.00002305613,0.00008514,0.00006791923,0.0002722119,0.0003910432],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001918791,"about_ca_system_score_gemma":0.0001068353,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007404258,"about_ca_topic_score_gemma":0.0001356856,"domain_scores_codex":[0.997279,0.0001620922,0.000500631,0.0009022816,0.0005099954,0.0006459428],"domain_scores_gemma":[0.9983152,0.0001052654,0.00003685492,0.0008547935,0.00002922445,0.0006586644],"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":[0.00004596653,0.0003986775,0.004205537,0.0000181219,0.000196983,0.00007694965,0.002004679,0.00001269441,0.9874493,0.00003547837,0.001659145,0.003896492],"study_design_scores_gemma":[0.001489477,0.00007459907,0.002571873,0.00005520606,0.0001273175,0.00001222333,0.0003936719,0.000006834054,0.9902666,0.0001361417,0.00439481,0.0004712988],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9504797,0.00006037406,0.04553771,0.002949072,0.00008829634,0.0004856572,0.00004402071,0.000152171,0.0002030342],"genre_scores_gemma":[0.9738564,0.000002464719,0.02128613,0.004370299,0.0002123077,0.00003949132,0.000004655717,0.00009357904,0.0001346076],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02425158,"threshold_uncertainty_score":0.9998864,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01266609375005095,"score_gpt":0.2516160219734131,"score_spread":0.2389499282233621,"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."}}