The photocatalytic conversion of CO_(2)into solar‐powered fuels is viewed as a forward‐looking strategy to address energy scarcity and global warming.This work demonstrated the selective photoreduction of CO_(2)to C...The photocatalytic conversion of CO_(2)into solar‐powered fuels is viewed as a forward‐looking strategy to address energy scarcity and global warming.This work demonstrated the selective photoreduction of CO_(2)to CO using ultrathin Bi_(12)O_(17)Cl_(2)nanosheets decorated with hydrothermally synthesized bismuth clusters and oxygen vacancies(OVs).The characterizations revealed that the coexistences of OVs and Bi clusters generated in situ contributed to the high efficiency of CO_(2)–CO conversion(64.3μmol g^(−1)h^(−1))and perfect selectivity.The OVs on the facet(001)of the ultrathin Bi_(12)O_(17)Cl_(2)nanosheets serve as sites for CO_(2)adsorption and activation sites,capturing photoexcited electrons and prolonging light absorption due to defect states.In addition,the Bi‐cluster generated in situ offers the ability to trap holes and the surface plasmonic resonance effect.This study offers great potential for the construction of semiconductor hybrids as multiphotocatalysts,capable of being used for the elimination and conversion of CO_(2)in terms of energy and environment.展开更多
目的探讨通调针刺法联合芪蛭三七汤治疗脑卒中后运动障碍的效果及对血清脑源性神经营养因子(brain derived neurotrophic factor,BDNF)、神经肽Y(neuropeptide,NPY)水平的影响。方法选取2019年9月—2022年8月医院收治的102例脑卒中后运...目的探讨通调针刺法联合芪蛭三七汤治疗脑卒中后运动障碍的效果及对血清脑源性神经营养因子(brain derived neurotrophic factor,BDNF)、神经肽Y(neuropeptide,NPY)水平的影响。方法选取2019年9月—2022年8月医院收治的102例脑卒中后运动障碍患者,依照随机数表法分为研究组(n=51例)和对照组(n=51例),对照组采用基础康复训练治疗,研究组另给予通调针刺法联合芪蛭三七汤治疗,比较两组患者中医症状评分,临床疗效,Fugl-Meyer运动功能量表(Fugl Meyer Motor Function Assessment,FMA)评分、Berg平衡量表(Berg Balance Scale,BBS)评分、改良Barthel指数、美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分,血清BDNF、NPY水平及不良反应。结果治疗后,两组患者半身不遂、偏身障碍、意识模糊、口舌歪斜、气短乏力、手足肿胀评分均降低(P<0.05),且研究组半身不遂、偏身障碍、意识模糊、口舌歪斜、气短乏力、手足肿胀评分均低于对照组(P<0.05);研究组总有效率高于对照组,差异有统计学意义(P<0.05);治疗后,两组患者FMA评分和BBS评分均升高(P<0.05),且研究组更高(P<0.05);治疗后,两组患者改良Barthel指数均升高(P<0.05),且研究组更高(P<0.05),两组NIHSS评分均降低(P<0.05),且研究组更低,差异有统计学意义(P<0.05);治疗后,两组血清BDNF水平均升高(P<0.05),且研究组更高,差异有统计学意义(P<0.05),两组血清NPY水平均降低(P<0.05),且研究组更低,差异有统计学意义(P<0.05);不良反应发生率比较,差异无统计学意义(P>0.05)。结论通调针刺法联合芪蛭三七汤用于治疗脑卒中后运动障碍患者疗效确切,能够改善运动障碍及BDNF、NPY水平。展开更多
目的基于网络药理学及分子对接技术研究川乌、草乌相须配伍治疗类风湿性关节炎潜在的有效成分及其作用机制,为川乌、草乌治疗类风湿性关节炎提供参考。方法通过中药系统药理学数据库及分析平台(TCMSP)中以口服生物利用度(oral bioavaila...目的基于网络药理学及分子对接技术研究川乌、草乌相须配伍治疗类风湿性关节炎潜在的有效成分及其作用机制,为川乌、草乌治疗类风湿性关节炎提供参考。方法通过中药系统药理学数据库及分析平台(TCMSP)中以口服生物利用度(oral bioavailability,OB)、类药性(Drug-likeness,DL)参数筛选川乌、草乌的成分,采用PharmMapper数据库寻找川乌、草乌的作用靶点,与疾病数据库GeneCards及OMIM数据库中类风湿性关节炎的靶点取交集。在String平台进行蛋白质-蛋白质相互作用(PPI)分析,Metascape平台进行基因本体(Gene Ontology,GO)分析及京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)通路富集分析。通过Cytoscape软件构建“药物-成分-类风湿性关节炎靶点-通路”网络。利用SYBYL软件进行分子对接。结果筛选出10个潜在活性成分(次乌头碱、滇乌头碱、草乌甲素等),23个对应治疗靶点(TGFB2、IL2、MMP3、MMP2等),涉及类风湿性关节炎、白细胞介素-17、MAPK、JAK-STAT等通路及炎症反应、防御反应等生物过程。结论川乌、草乌通过多成分、多靶点、多通路协同治疗类风湿性关节炎,且有多个成分表现出很强的活性,为后续研究提供一定的参考。展开更多
基金Natural Science Foundation of Shandong Province,Grant/Award Number:ZR2022MB106national training program of innovation and entrepreneurship for undergraduates,Grant/Award Number:202210424099National Natural Science Foundation of China,Grant/Award Numbers:21601067,21701057,21905147。
文摘The photocatalytic conversion of CO_(2)into solar‐powered fuels is viewed as a forward‐looking strategy to address energy scarcity and global warming.This work demonstrated the selective photoreduction of CO_(2)to CO using ultrathin Bi_(12)O_(17)Cl_(2)nanosheets decorated with hydrothermally synthesized bismuth clusters and oxygen vacancies(OVs).The characterizations revealed that the coexistences of OVs and Bi clusters generated in situ contributed to the high efficiency of CO_(2)–CO conversion(64.3μmol g^(−1)h^(−1))and perfect selectivity.The OVs on the facet(001)of the ultrathin Bi_(12)O_(17)Cl_(2)nanosheets serve as sites for CO_(2)adsorption and activation sites,capturing photoexcited electrons and prolonging light absorption due to defect states.In addition,the Bi‐cluster generated in situ offers the ability to trap holes and the surface plasmonic resonance effect.This study offers great potential for the construction of semiconductor hybrids as multiphotocatalysts,capable of being used for the elimination and conversion of CO_(2)in terms of energy and environment.
文摘目的探讨通调针刺法联合芪蛭三七汤治疗脑卒中后运动障碍的效果及对血清脑源性神经营养因子(brain derived neurotrophic factor,BDNF)、神经肽Y(neuropeptide,NPY)水平的影响。方法选取2019年9月—2022年8月医院收治的102例脑卒中后运动障碍患者,依照随机数表法分为研究组(n=51例)和对照组(n=51例),对照组采用基础康复训练治疗,研究组另给予通调针刺法联合芪蛭三七汤治疗,比较两组患者中医症状评分,临床疗效,Fugl-Meyer运动功能量表(Fugl Meyer Motor Function Assessment,FMA)评分、Berg平衡量表(Berg Balance Scale,BBS)评分、改良Barthel指数、美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分,血清BDNF、NPY水平及不良反应。结果治疗后,两组患者半身不遂、偏身障碍、意识模糊、口舌歪斜、气短乏力、手足肿胀评分均降低(P<0.05),且研究组半身不遂、偏身障碍、意识模糊、口舌歪斜、气短乏力、手足肿胀评分均低于对照组(P<0.05);研究组总有效率高于对照组,差异有统计学意义(P<0.05);治疗后,两组患者FMA评分和BBS评分均升高(P<0.05),且研究组更高(P<0.05);治疗后,两组患者改良Barthel指数均升高(P<0.05),且研究组更高(P<0.05),两组NIHSS评分均降低(P<0.05),且研究组更低,差异有统计学意义(P<0.05);治疗后,两组血清BDNF水平均升高(P<0.05),且研究组更高,差异有统计学意义(P<0.05),两组血清NPY水平均降低(P<0.05),且研究组更低,差异有统计学意义(P<0.05);不良反应发生率比较,差异无统计学意义(P>0.05)。结论通调针刺法联合芪蛭三七汤用于治疗脑卒中后运动障碍患者疗效确切,能够改善运动障碍及BDNF、NPY水平。
基金supported by the Project of Shandong Province Higher Educational Young Inno-vative Talent Introduction and Cultivation Team(Hy-drogen energy chemistry innovation team)the Nation-al Natural Science Foundation of China(No.22105119)the Natural Science Foundation of Shandong Province(ZR2021QB016).
文摘目的基于网络药理学及分子对接技术研究川乌、草乌相须配伍治疗类风湿性关节炎潜在的有效成分及其作用机制,为川乌、草乌治疗类风湿性关节炎提供参考。方法通过中药系统药理学数据库及分析平台(TCMSP)中以口服生物利用度(oral bioavailability,OB)、类药性(Drug-likeness,DL)参数筛选川乌、草乌的成分,采用PharmMapper数据库寻找川乌、草乌的作用靶点,与疾病数据库GeneCards及OMIM数据库中类风湿性关节炎的靶点取交集。在String平台进行蛋白质-蛋白质相互作用(PPI)分析,Metascape平台进行基因本体(Gene Ontology,GO)分析及京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)通路富集分析。通过Cytoscape软件构建“药物-成分-类风湿性关节炎靶点-通路”网络。利用SYBYL软件进行分子对接。结果筛选出10个潜在活性成分(次乌头碱、滇乌头碱、草乌甲素等),23个对应治疗靶点(TGFB2、IL2、MMP3、MMP2等),涉及类风湿性关节炎、白细胞介素-17、MAPK、JAK-STAT等通路及炎症反应、防御反应等生物过程。结论川乌、草乌通过多成分、多靶点、多通路协同治疗类风湿性关节炎,且有多个成分表现出很强的活性,为后续研究提供一定的参考。