{"id":"W4406973584","doi":"10.1007/s00726-024-03425-2","title":"Amino acid stable carbon isotopes in nail keratin illuminate breastfeeding and weaning practices of mother – infant dyads","year":2025,"lang":"en","type":"article","venue":"Amino Acids","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Natural Sciences and Engineering Research Council of Canada; Canada Research Chairs","keywords":"Breastfeeding; Weaning; Keratin; Nail (fastener); Amino acid; Chemistry; Carbon fibers; Medicine; Biology; Biochemistry; Pediatrics; Internal medicine; Materials science; Genetics; Metallurgy","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":[0.0006259274,0.0001680609,0.0003186792,0.0001584877,0.00007681502,0.000035703,0.0002512054,0.0001095226,0.000461192],"category_scores_gemma":[0.0002836536,0.0001601697,0.00003545908,0.0004994012,0.0002946603,0.0003517098,0.0003887658,0.0001848905,0.00001654072],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001424802,"about_ca_system_score_gemma":0.00002117753,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003859174,"about_ca_topic_score_gemma":0.003428191,"domain_scores_codex":[0.998575,0.0001215969,0.0003779925,0.0003910808,0.0001962276,0.0003381071],"domain_scores_gemma":[0.9992178,0.0001525281,0.0002987449,0.000275287,0.00001485151,0.00004075203],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002158318,0.00006663759,0.8877875,0.00002385239,0.00003422979,0.00001162306,0.00123966,0.000162498,0.09553372,0.0002450866,0.00008578677,0.01478784],"study_design_scores_gemma":[0.0005655963,0.0001087674,0.9274552,0.00006334321,0.00006924547,0.00001127601,0.001289673,0.007505764,0.05954861,0.0002595395,0.002880882,0.0002420295],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9335551,0.0001502831,0.00006586561,0.0004201757,0.00007769011,0.000167885,0.000001910818,0.00001783007,0.06554326],"genre_scores_gemma":[0.9958804,0.00007001821,0.001167104,0.0002146301,0.00001487228,0.00002782334,0.000001938083,0.00001260062,0.002610559],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06293271,"threshold_uncertainty_score":0.6531531,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007195455259820182,"score_gpt":0.244678386807248,"score_spread":0.2374829315474278,"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."}}