{"id":"W4414425883","doi":"10.3390/molecules30193850","title":"Acid Yellow 9 Azo Dye Gets the Blues: An Optical Spectroscopy and DFT Study of Unusual Photochemistry in Multilayer Films with PAH and Chitosan","year":2025,"lang":"en","type":"article","venue":"Molecules","topic":"Photochromic and Fluorescence Chemistry","field":"Materials Science","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Cationic polymerization; Raman spectroscopy; Polyelectrolyte; Polymer; Chitosan; Absorption spectroscopy; Absorption (acoustics); Spectroscopy","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00007765154,0.0001897889,0.0001762541,0.0001155376,0.0001202356,0.00017333,0.0001898372,0.0001958147,0.0007294185],"category_scores_gemma":[0.00009463076,0.0001269168,0.0001745838,0.0001024301,0.0001443325,0.0001811153,0.0001568341,0.0002817814,0.00009884949],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002000915,"about_ca_system_score_gemma":0.0000748281,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008340295,"about_ca_topic_score_gemma":0.001030204,"domain_scores_codex":[0.9999571,0.000003582773,0.000001634591,0.000009393954,0.00001637668,0.0000118977],"domain_scores_gemma":[0.9999624,0.000009853605,0.00001111368,0.000003041596,0.00000788975,0.000005737962],"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":[0.00002174381,0.000005155125,0.0001617968,0.00002293579,0.000004182666,0.00002819254,0.00001556251,0.0002406987,0.9989666,0.00006867472,0.000008502541,0.0004559552],"study_design_scores_gemma":[0.000004043632,0.0001051833,0.002236318,0.00000312445,0.00001187359,0.00004844634,0.00003186319,0.007010925,0.9901951,0.00002827742,0.0003203945,0.00000437371],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981461,0.0002343759,0.00116207,0.00001582426,0.000003482087,0.000002567273,0.00003224881,0.00001727014,0.0003862404],"genre_scores_gemma":[0.9983851,0.0001546081,0.0009238765,0.0000062295,0.000001352645,0.000002995233,0.00003140125,0.000004623199,0.0004899374],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0008340295,"threshold_uncertainty_score":0.002440155,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005721893547240118,"score_gpt":0.2509201579941865,"score_spread":0.2451982644469464,"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."}}