{"id":"W2185235698","doi":"","title":"Chiral Analyses of Organic Compounds in Carbonaceous Meteorites","year":2004,"lang":"en","type":"article","venue":"NASA STI Repository (National Aeronautics and Space Administration)","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Aeronautics and Space Administration","keywords":"Meteorite; Murchison meteorite; Homochirality; Astrobiology; Carbonaceous chondrite; Enantiomer; Chondrite; Parent body; Earth (classical element); Chemistry; Abiogenesis; Early Earth; Environmental chemistry; Geology; Organic chemistry; Physics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00009526963,0.0001690501,0.00008247498,0.001881736,0.0003959249,0.000339388,0.0001294458,0.0001299204,0.001153562],"category_scores_gemma":[0.0003222874,0.00007157801,0.00006481507,0.0007707414,0.0002600151,0.0001161493,0.0002099602,0.0001577541,0.0001289542],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002049619,"about_ca_system_score_gemma":0.0002805085,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00278344,"about_ca_topic_score_gemma":0.006577251,"domain_scores_codex":[0.9999124,0.000007588791,0.000007322798,0.00001776223,0.0000360861,0.00001887786],"domain_scores_gemma":[0.9997707,0.0000244966,0.00005783436,0.00001343573,0.00007274547,0.00006083249],"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":[0.0001984692,0.00003127483,0.02976489,0.00007057812,0.00002619662,0.0003056721,0.0001068266,0.0001100179,0.9566002,0.0003665404,0.0001166907,0.01230264],"study_design_scores_gemma":[0.00003058023,0.0003577041,0.3577481,0.00003578698,0.0000580438,0.001948357,0.0005142597,0.001110416,0.6291854,0.000529117,0.008454325,0.00002795163],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9965395,0.0006384207,0.0006104293,0.00001885052,0.00001139477,0.00001147713,0.0004529417,0.00001656699,0.00170047],"genre_scores_gemma":[0.9954382,0.0006084163,0.001757831,0.00002880575,0.00001462856,0.000006157173,0.0008364716,0.00001281472,0.00129674],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00278344,"threshold_uncertainty_score":0.00553441,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01634378700573359,"score_gpt":0.2758797899398762,"score_spread":0.2595360029341426,"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."}}