The growing demand for substitutes of lithium chemistries in battery leads to a surge in budding novel anion-based electrochemical energy storage,where the chloride ion batteries(CIBs)take over the role.The applicatio...The growing demand for substitutes of lithium chemistries in battery leads to a surge in budding novel anion-based electrochemical energy storage,where the chloride ion batteries(CIBs)take over the role.The application of CIBs is limited by the dissolution and side reaction of chloride-based electrode materials in a liquid electrolyte.On the flipside,its solid-state electrolytes are scarcely reported due to the challenge in realizing fast Cl^(-)conductivity.The present study reports[Al(DMSO)_(6)]Cl_(3),a solid-state metal-organic material,allows chloride ion transfer.The strong Al-Cl bonds in AlCl_(3)are broken down after coordinating of Al^(3+)by ligand DMSO,and Cl^(-)in the resulting compound is weakly bound to complexions[Al(DMSO)_(6)]^(3+),which may facilitate Cl^(-)migration.By partial replacement of Cl^(-)with PF_(6)^(-),the room-temperature ionic conductivity of as-prepared electrolyte is increased by one order of magnitude from 2.172×10^(-5)S cm^(-1)to 2.012×10^(-4)S cm^(-1).When they are assembled with Ag(anode)/Ag-AgCl(cathode)electrode system,reversible electrochemical redox reactions occur on both sides,demonstrating its potential for solid-state chloride ion batteries.The strategy by weakening the bonding interaction using organic ligands between Cl^(-)and central metallic ions may provide new ideas for developing solid chloride-ion conductors.展开更多
为了筛选有机溶剂DMSO与DMF对H9C2心肌细胞毒性作用的最低浓度,探讨DMSO与DMF对心肌细胞信号转导与转录因子3(signal transducer and activator of transcription3,STAT3)信号通路的影响,通过四氮唑盐比色分析法(MTT法)试验,检测DMSO和...为了筛选有机溶剂DMSO与DMF对H9C2心肌细胞毒性作用的最低浓度,探讨DMSO与DMF对心肌细胞信号转导与转录因子3(signal transducer and activator of transcription3,STAT3)信号通路的影响,通过四氮唑盐比色分析法(MTT法)试验,检测DMSO和DMF在体积分数为0.1%、0.2%、0.3%、0.5%、0.7%、0.9%、1%、2%、3%时作用24、48、72h心肌细胞的存活率变化;Westernblot法检测STAT3和Bcl-2蛋白,对比DMSO和DMF分别在0%、0.2%、0.3%、0.5%体积分数下STAT3蛋白表达量的差异性。结果表明,同一DMSO和DMF体积分数条件下,随着时间增加,细胞存活率下降,在同一时间随着DMSO和DMF体积分数的增加,心肌细胞存活率减小,Bcl-2和STAT3蛋白含量减少,DMSO体积分数为0.3%和0.5%时,细胞存活率有统计学意义(P<0.05),STAT3和Bcl-2蛋白水平比对照组低(P<0.01),但DMSO体积分数为0.2%,细胞存活率与STAT3、Bcl-2表达对比对照组,均无统计学意义(P>0.05);当DMF体积分数为0.3%和0.5%时,细胞存活率有统计学意义(P<0.05),STAT3和Bcl-2蛋白水平比对照组低(P<0.01),当DMF体积分数为0.2%时,细胞存活率无统计学意义(P>0.05),STAT3蛋白表达对比对照组,具有统计学意义(P<0.01)。与对照组(不含DMSO和DMF)比较,DMSO和DMF对H9C2心肌细胞具有毒性作用,随浓度增加,细胞存活率降低,Bcl-2蛋白含量降低,可能与STAT3蛋白下调相关,MTT法检测结果与Westernblot试验结果不完全一致,MTT法具有不稳定性。展开更多
基金supported by the Czech Science Foundation(GACR No.2016124J)supported by the grant of Specific university researchgrant No.A2_FCHT_2022_056
文摘The growing demand for substitutes of lithium chemistries in battery leads to a surge in budding novel anion-based electrochemical energy storage,where the chloride ion batteries(CIBs)take over the role.The application of CIBs is limited by the dissolution and side reaction of chloride-based electrode materials in a liquid electrolyte.On the flipside,its solid-state electrolytes are scarcely reported due to the challenge in realizing fast Cl^(-)conductivity.The present study reports[Al(DMSO)_(6)]Cl_(3),a solid-state metal-organic material,allows chloride ion transfer.The strong Al-Cl bonds in AlCl_(3)are broken down after coordinating of Al^(3+)by ligand DMSO,and Cl^(-)in the resulting compound is weakly bound to complexions[Al(DMSO)_(6)]^(3+),which may facilitate Cl^(-)migration.By partial replacement of Cl^(-)with PF_(6)^(-),the room-temperature ionic conductivity of as-prepared electrolyte is increased by one order of magnitude from 2.172×10^(-5)S cm^(-1)to 2.012×10^(-4)S cm^(-1).When they are assembled with Ag(anode)/Ag-AgCl(cathode)electrode system,reversible electrochemical redox reactions occur on both sides,demonstrating its potential for solid-state chloride ion batteries.The strategy by weakening the bonding interaction using organic ligands between Cl^(-)and central metallic ions may provide new ideas for developing solid chloride-ion conductors.
文摘为了筛选有机溶剂DMSO与DMF对H9C2心肌细胞毒性作用的最低浓度,探讨DMSO与DMF对心肌细胞信号转导与转录因子3(signal transducer and activator of transcription3,STAT3)信号通路的影响,通过四氮唑盐比色分析法(MTT法)试验,检测DMSO和DMF在体积分数为0.1%、0.2%、0.3%、0.5%、0.7%、0.9%、1%、2%、3%时作用24、48、72h心肌细胞的存活率变化;Westernblot法检测STAT3和Bcl-2蛋白,对比DMSO和DMF分别在0%、0.2%、0.3%、0.5%体积分数下STAT3蛋白表达量的差异性。结果表明,同一DMSO和DMF体积分数条件下,随着时间增加,细胞存活率下降,在同一时间随着DMSO和DMF体积分数的增加,心肌细胞存活率减小,Bcl-2和STAT3蛋白含量减少,DMSO体积分数为0.3%和0.5%时,细胞存活率有统计学意义(P<0.05),STAT3和Bcl-2蛋白水平比对照组低(P<0.01),但DMSO体积分数为0.2%,细胞存活率与STAT3、Bcl-2表达对比对照组,均无统计学意义(P>0.05);当DMF体积分数为0.3%和0.5%时,细胞存活率有统计学意义(P<0.05),STAT3和Bcl-2蛋白水平比对照组低(P<0.01),当DMF体积分数为0.2%时,细胞存活率无统计学意义(P>0.05),STAT3蛋白表达对比对照组,具有统计学意义(P<0.01)。与对照组(不含DMSO和DMF)比较,DMSO和DMF对H9C2心肌细胞具有毒性作用,随浓度增加,细胞存活率降低,Bcl-2蛋白含量降低,可能与STAT3蛋白下调相关,MTT法检测结果与Westernblot试验结果不完全一致,MTT法具有不稳定性。