Aqueous Zn-ion batteries(AZIBs)have attracted increasing attention in next-generation energy storage systems due to their high safety and economic.Unfortunately,the side reactions,dendrites and hydrogen evolution effe...Aqueous Zn-ion batteries(AZIBs)have attracted increasing attention in next-generation energy storage systems due to their high safety and economic.Unfortunately,the side reactions,dendrites and hydrogen evolution effects at the zinc anode interface in aqueous electrolytes seriously hinder the application of aqueous zinc-ion batteries.Here,we report a critical solvation strategy to achieve reversible zinc electrochemistry by introducing a small polar molecule acetonitrile to form a“catcher”to arrest active molecules(bound water molecules).The stable solvation structure of[Zn(H_(2)O)_(6)]^(2+)is capable of maintaining and completely inhibiting free water molecules.When[Zn(H_(2)O)_(6)]^(2+)is partially desolvated in the Helmholtz outer layer,the separated active molecules will be arrested by the“catcher”formed by the strong hydrogen bond N-H bond,ensuring the stable desolvation of Zn^(2+).The Zn||Zn symmetric battery can stably cycle for 2250 h at 1 mAh cm^(-2),Zn||V_(6)O_(13)full battery achieved a capacity retention rate of 99.2%after 10,000 cycles at 10 A g^(-1).This paper proposes a novel critical solvation strategy that paves the route for the construction of high-performance AZIBs.展开更多
Objective：To investigate the action of Shen-Fu Injection（参附注射液,SFI） in regulating the expression of the serum complements and inflammatory cytokines synthesized and released in response to the stress of global...Objective：To investigate the action of Shen-Fu Injection（参附注射液,SFI） in regulating the expression of the serum complements and inflammatory cytokines synthesized and released in response to the stress of global ischemia accompanying cardiac arrest（CA） and resuscitation.Methods：Thirty pigs were randomly divided into the sham（n=6） and 3 returns of spontaneous circulation（ROSC） groups（n=24）.After 8-min untreated ventricular fibrillation and 2-min basic life support,24 pigs of the ROSC groups were randomized into three groups（n=8 per group）,which received central venous injection of SFI（SFI group）,epinephrine（EP group）,or saline（SA group）.Hemodynamic status and blood samples were obtained at 0,0.5,1,2,4,6,12,and 24 h after ROSC.Results：Serum concentrations of specific activation markers of the complement system C3,C4 and C5b-9 were increased during cardiopulmonary resuscitation th rough1 24 h after ROSC.There were intense changes of various pro-inflammatory cytokines and anti-inflammatory cytokines as early as 0.5 h after CA.Compared with the EP and SA groups,SFI treatment reduced the proinflammatory cytokines levels of interleukin（IL）-6,IL-8and tumor necrosis factor α（TNF-α,P〈0.05）,and increased the anti-inflammatory cytokine levels of IL-4 and IL-10（P〈0.05）.Further,SFI treatment decreased the values of C3,C4 and C5b-9 compared with the EP and SA groups.Conclusions：SFI,derived from the ancient Chinese medicine,has significant effects in attenuating post-resuscitation immune dysfunction by modulating the expression of complements and cytokines levels.The current study provided an experimental basis for the clinical application of a potential pharmacologic target for post resuscitation immune dysfunction.展开更多
基金supported by the National Natural Science Foundation of China(No.52272198 and 52002122)the Project funded by China Postdoctoral Science Foundation(No.2021M690947).
文摘Aqueous Zn-ion batteries(AZIBs)have attracted increasing attention in next-generation energy storage systems due to their high safety and economic.Unfortunately,the side reactions,dendrites and hydrogen evolution effects at the zinc anode interface in aqueous electrolytes seriously hinder the application of aqueous zinc-ion batteries.Here,we report a critical solvation strategy to achieve reversible zinc electrochemistry by introducing a small polar molecule acetonitrile to form a“catcher”to arrest active molecules(bound water molecules).The stable solvation structure of[Zn(H_(2)O)_(6)]^(2+)is capable of maintaining and completely inhibiting free water molecules.When[Zn(H_(2)O)_(6)]^(2+)is partially desolvated in the Helmholtz outer layer,the separated active molecules will be arrested by the“catcher”formed by the strong hydrogen bond N-H bond,ensuring the stable desolvation of Zn^(2+).The Zn||Zn symmetric battery can stably cycle for 2250 h at 1 mAh cm^(-2),Zn||V_(6)O_(13)full battery achieved a capacity retention rate of 99.2%after 10,000 cycles at 10 A g^(-1).This paper proposes a novel critical solvation strategy that paves the route for the construction of high-performance AZIBs.
基金Supported by the National Natural Science Foundation of China(No.81372025)
文摘Objective：To investigate the action of Shen-Fu Injection（参附注射液,SFI） in regulating the expression of the serum complements and inflammatory cytokines synthesized and released in response to the stress of global ischemia accompanying cardiac arrest（CA） and resuscitation.Methods：Thirty pigs were randomly divided into the sham（n=6） and 3 returns of spontaneous circulation（ROSC） groups（n=24）.After 8-min untreated ventricular fibrillation and 2-min basic life support,24 pigs of the ROSC groups were randomized into three groups（n=8 per group）,which received central venous injection of SFI（SFI group）,epinephrine（EP group）,or saline（SA group）.Hemodynamic status and blood samples were obtained at 0,0.5,1,2,4,6,12,and 24 h after ROSC.Results：Serum concentrations of specific activation markers of the complement system C3,C4 and C5b-9 were increased during cardiopulmonary resuscitation th rough1 24 h after ROSC.There were intense changes of various pro-inflammatory cytokines and anti-inflammatory cytokines as early as 0.5 h after CA.Compared with the EP and SA groups,SFI treatment reduced the proinflammatory cytokines levels of interleukin（IL）-6,IL-8and tumor necrosis factor α（TNF-α,P〈0.05）,and increased the anti-inflammatory cytokine levels of IL-4 and IL-10（P〈0.05）.Further,SFI treatment decreased the values of C3,C4 and C5b-9 compared with the EP and SA groups.Conclusions：SFI,derived from the ancient Chinese medicine,has significant effects in attenuating post-resuscitation immune dysfunction by modulating the expression of complements and cytokines levels.The current study provided an experimental basis for the clinical application of a potential pharmacologic target for post resuscitation immune dysfunction.
