The photoabsorption capacity,the number of active sites,and the efficiency of carrier separation of photo-catalysts are the main factors that restrict photocatalytic activity.Accordingly,a series of novel CdO-based S-...The photoabsorption capacity,the number of active sites,and the efficiency of carrier separation of photo-catalysts are the main factors that restrict photocatalytic activity.Accordingly,a series of novel CdO-based S-scheme photocatalysts are prepared by a facile one-step precipitation-calcination method for the first time.Although CdO with a narrow band gap has no photocatalytic hydrogen evolution performance,the CdMoO_(4)/CdO composite exhibits excellent photocatalytic activity.The photocatalytic hydrogen evolution(PHE)performance of the optimal ratio(3∶4)is up to 7029 μmol g^(-1) h^(-1) under visible light irradiation.At the same time,the CdMoO_(4)/CdO composite also shows excellent degradation activity of water pollu-tants,and the degradation efficiency for Tetracycline hydrochloride,Oxytetracycline,Norfloxacin,Reactive red 2,and Levofloxacin is 96.33%,95.38%,88.48%,95.93%,and 77.30%under visible light irradiation for 90min,respectively.According to the experimental characterization and theoretical calculation analysis,the introduction of CdMoO_(4) can be used to construct S-scheme heterojunction with CdO,improving the efficiency of charge separation as well as taking full advantage of redox ability,and hence improving su-perior photocatalysts performance.This work affords new insights into efficient PHE and antibiotic/dye degradation of CdO-based S-scheme photocatalysts.展开更多
半胱氨酸双加氧酶1(cysteine dioxygenase type 1,CDO1)属于半胱氨酸双加氧酶(cysteine dioxygenase,CDO)家族,是半胱氨酸分解代谢和牛磺酸合成代谢的关键酶,主要在肝脏、脂肪、胰腺、肾脏、肺、脑和小肠组织中高表达。CDO1参与多种常...半胱氨酸双加氧酶1(cysteine dioxygenase type 1,CDO1)属于半胱氨酸双加氧酶(cysteine dioxygenase,CDO)家族,是半胱氨酸分解代谢和牛磺酸合成代谢的关键酶,主要在肝脏、脂肪、胰腺、肾脏、肺、脑和小肠组织中高表达。CDO1参与多种常见代谢性疾病的病理生理学调控过程,例如脂代谢紊乱、胰岛素抵抗、肥胖、肿瘤/癌症和神经退行性疾病。本文梳理和总结近年CDO1调控常见代谢性疾病的分子作用机制研究进展,以期为靶向CDO1蛋白治疗胰岛素抵抗、肥胖、肿瘤/癌症和神经退行性疾病提供新的理论和实践依据。展开更多
基金National Natural Science Foundation of China(Grant No.22278172)Education Department Project of Jilin Province(Nos.YDZJ202201ZYTS591,20210509049RQ).
文摘The photoabsorption capacity,the number of active sites,and the efficiency of carrier separation of photo-catalysts are the main factors that restrict photocatalytic activity.Accordingly,a series of novel CdO-based S-scheme photocatalysts are prepared by a facile one-step precipitation-calcination method for the first time.Although CdO with a narrow band gap has no photocatalytic hydrogen evolution performance,the CdMoO_(4)/CdO composite exhibits excellent photocatalytic activity.The photocatalytic hydrogen evolution(PHE)performance of the optimal ratio(3∶4)is up to 7029 μmol g^(-1) h^(-1) under visible light irradiation.At the same time,the CdMoO_(4)/CdO composite also shows excellent degradation activity of water pollu-tants,and the degradation efficiency for Tetracycline hydrochloride,Oxytetracycline,Norfloxacin,Reactive red 2,and Levofloxacin is 96.33%,95.38%,88.48%,95.93%,and 77.30%under visible light irradiation for 90min,respectively.According to the experimental characterization and theoretical calculation analysis,the introduction of CdMoO_(4) can be used to construct S-scheme heterojunction with CdO,improving the efficiency of charge separation as well as taking full advantage of redox ability,and hence improving su-perior photocatalysts performance.This work affords new insights into efficient PHE and antibiotic/dye degradation of CdO-based S-scheme photocatalysts.
基金supported by Natural Science Research Project of Anhui Educational Committee(No.KJ2021A0096)Open Subject of Kinesiology in the College of Physical Education,Anhui Normal University(No.TYKFKT2023002)General Project of Anhui Normal University(No.762167,2021xjxm051).
文摘半胱氨酸双加氧酶1(cysteine dioxygenase type 1,CDO1)属于半胱氨酸双加氧酶(cysteine dioxygenase,CDO)家族,是半胱氨酸分解代谢和牛磺酸合成代谢的关键酶,主要在肝脏、脂肪、胰腺、肾脏、肺、脑和小肠组织中高表达。CDO1参与多种常见代谢性疾病的病理生理学调控过程,例如脂代谢紊乱、胰岛素抵抗、肥胖、肿瘤/癌症和神经退行性疾病。本文梳理和总结近年CDO1调控常见代谢性疾病的分子作用机制研究进展,以期为靶向CDO1蛋白治疗胰岛素抵抗、肥胖、肿瘤/癌症和神经退行性疾病提供新的理论和实践依据。
