{"id":"W2007438402","doi":"10.1021/ac050548u","title":"Comparative Analysis of Cellulose Preparation Techniques for Use with<sup>13</sup>C,<sup>14</sup>C, and<sup>18</sup>O Isotopic Measurements","year":2005,"lang":"en","type":"article","venue":"Analytical Chemistry","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":182,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Chemistry; Cellulose; Isotope; Stable isotope ratio; Carbon-13; Residue (chemistry); Isotopes of carbon; δ13C; Wax; Isotope analysis; Lignin; δ18O; Analytical Chemistry (journal); Chromatography; Radiochemistry; Environmental chemistry; Organic chemistry; Total organic carbon","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001732128,0.0008064712,0.0005007226,0.0007965215,0.0003626044,0.0006743637,0.0004705023,0.0004158185,0.001115109],"category_scores_gemma":[0.003388583,0.0002894706,0.000706685,0.001075335,0.0003057725,0.000612839,0.0003454835,0.0006203203,0.0004386743],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003585077,"about_ca_system_score_gemma":0.0006206503,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001082326,"about_ca_topic_score_gemma":0.002163489,"domain_scores_codex":[0.9990078,0.0002317167,0.0001206338,0.0002046236,0.0003012748,0.000133927],"domain_scores_gemma":[0.9979418,0.000811863,0.0003993556,0.0002479062,0.0004803533,0.0001187078],"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":[0.0001613795,0.00004539117,0.000556016,0.00008237705,0.00002011405,0.0000349451,0.00002919605,0.00006746883,0.9940685,0.00004437298,0.0000245749,0.004865579],"study_design_scores_gemma":[0.000007242524,0.0003528328,0.01041182,0.00001399589,0.00009612346,0.0001229138,0.0000403622,0.0005371321,0.9868163,0.00004179251,0.001546701,0.00001260191],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.910723,0.008388784,0.07344551,0.000189988,0.0002403945,0.0007625116,0.001334843,0.0002938218,0.004621194],"genre_scores_gemma":[0.7537711,0.01056552,0.2224484,0.0003427215,0.0001350234,0.001826375,0.004752872,0.0006471385,0.005510934],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001732128,"threshold_uncertainty_score":0.009160459,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05621051859732446,"score_gpt":0.3085572095324226,"score_spread":0.2523466909350982,"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."}}