麦冬是重要的滋阴药,有养阴生津、清心除烦的功效,并具有多种化学成分和药理作用,在临床应用十分广泛。科学知识图谱是可以定量、客观地展示学科研究的发展前沿和方向的有效工具。该研究搜集Web of Science(WoS)及中国知网(CNKI)与麦冬...麦冬是重要的滋阴药,有养阴生津、清心除烦的功效,并具有多种化学成分和药理作用,在临床应用十分广泛。科学知识图谱是可以定量、客观地展示学科研究的发展前沿和方向的有效工具。该研究搜集Web of Science(WoS)及中国知网(CNKI)与麦冬相关的中医药研究文献,采用科学计量学软件CiteSpace对文献中涉及的研究机构、期刊和关键词进行可视化分析,构建麦冬相关研究的共现网络,利用Cytoscape 3.8.2绘制麦冬-疾病-靶点网络图谱。并针对中、英文文献研究热点进行内容分析,讨论当前研究热点,总结麦冬研究中存在的不足,探讨其发展趋势。该研究最终纳入中文文献1403篇,英文文献292篇。发文机构分析显示北京中医药大学和中国药科大学分别为中、英文文献发文量最多的研究机构;发文期刊分析显示《河北中医》《Journal of Asian Natural Products Research(亚洲天然产物研究杂志)》是麦冬研究发文量最多的期刊;关键词分析显示中文文献侧重于用药规律及临床观察研究,英文文献侧重于成分测定及药理研究,其中数据挖掘和基于细胞凋亡的药理机制或仍为将来一段时间的研究方向。展开更多
Driven by safety issues,environmental concerns,and high costs,rechargeable aqueous zinc-ion batteries(ZIBs)have received increasing attention in recent years owing to their unique advantages.However,the sluggish kinet...Driven by safety issues,environmental concerns,and high costs,rechargeable aqueous zinc-ion batteries(ZIBs)have received increasing attention in recent years owing to their unique advantages.However,the sluggish kinetics of divalent charge Zn^(2+)in the cathode materials caused by the strong electrostatic interaction and their unsatisfactory cycle life hinder the development of ZIBs.Herein,organic cations and Zn^(2+)ions co-pre-inserted vanadium oxide([N(CH_(3))_(4)]_(0.77),Zn_(0.23))V_(8)O_(20)·3.8H_(2)O are reported as the cathode for ultra-stable aqueous ZIBs,in which the weaker electrostatic interactions between Zn^(2+)and organic ion-pinned vanadium oxide can induce the high reversibility of Zn^(2+)insertion and extraction,thereby improving the cycle life.It is demonstrated that([N(CH_(3))_(4)]_(0.77),Zn_(0.23))V_(8)O_(20)·3.8H_(2)O cathodes deliver a discharge capacity of 181 mA h g^(-1)at8 A g^(-1)and ultra-long life span(99.5%capacity retention after 2000 cycles).A reversible Zn^(2+)/H^(+)ions(de)intercalation storage process and pseudocapacitive charge storage are characterized.The weaker interactions between organic ion and Zn^(2+)open a novel avenue for the design of highly reversible cathode materials with long-term cycling stability.展开更多
文摘麦冬是重要的滋阴药,有养阴生津、清心除烦的功效,并具有多种化学成分和药理作用,在临床应用十分广泛。科学知识图谱是可以定量、客观地展示学科研究的发展前沿和方向的有效工具。该研究搜集Web of Science(WoS)及中国知网(CNKI)与麦冬相关的中医药研究文献,采用科学计量学软件CiteSpace对文献中涉及的研究机构、期刊和关键词进行可视化分析,构建麦冬相关研究的共现网络,利用Cytoscape 3.8.2绘制麦冬-疾病-靶点网络图谱。并针对中、英文文献研究热点进行内容分析,讨论当前研究热点,总结麦冬研究中存在的不足,探讨其发展趋势。该研究最终纳入中文文献1403篇,英文文献292篇。发文机构分析显示北京中医药大学和中国药科大学分别为中、英文文献发文量最多的研究机构;发文期刊分析显示《河北中医》《Journal of Asian Natural Products Research(亚洲天然产物研究杂志)》是麦冬研究发文量最多的期刊;关键词分析显示中文文献侧重于用药规律及临床观察研究,英文文献侧重于成分测定及药理研究,其中数据挖掘和基于细胞凋亡的药理机制或仍为将来一段时间的研究方向。
基金supported by the funding from the National Natural Science Foundation of China(grant nos.51902187,52072224,and 51732007)the Natural Science Foundation of Shandong Province(ZR2018BEM010)+3 种基金the Science Fund for Distinguished Young Scholars of Shandong Province(ZR2019JQ16)the Fundamental Research Funds of Shandong UniversityYoung Elite Scientist Sponsorship Program by CAST(YESS)the support from Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong
文摘Driven by safety issues,environmental concerns,and high costs,rechargeable aqueous zinc-ion batteries(ZIBs)have received increasing attention in recent years owing to their unique advantages.However,the sluggish kinetics of divalent charge Zn^(2+)in the cathode materials caused by the strong electrostatic interaction and their unsatisfactory cycle life hinder the development of ZIBs.Herein,organic cations and Zn^(2+)ions co-pre-inserted vanadium oxide([N(CH_(3))_(4)]_(0.77),Zn_(0.23))V_(8)O_(20)·3.8H_(2)O are reported as the cathode for ultra-stable aqueous ZIBs,in which the weaker electrostatic interactions between Zn^(2+)and organic ion-pinned vanadium oxide can induce the high reversibility of Zn^(2+)insertion and extraction,thereby improving the cycle life.It is demonstrated that([N(CH_(3))_(4)]_(0.77),Zn_(0.23))V_(8)O_(20)·3.8H_(2)O cathodes deliver a discharge capacity of 181 mA h g^(-1)at8 A g^(-1)and ultra-long life span(99.5%capacity retention after 2000 cycles).A reversible Zn^(2+)/H^(+)ions(de)intercalation storage process and pseudocapacitive charge storage are characterized.The weaker interactions between organic ion and Zn^(2+)open a novel avenue for the design of highly reversible cathode materials with long-term cycling stability.
