The organic carbon source coating LiFe_(x)Mn_(1-x)PO_(4)suffers from the problem of non-uniform carbon cladding.Too thick carbon cladding layer instead hinders the de-embedding of lithium ions.In this paper,we choose ...The organic carbon source coating LiFe_(x)Mn_(1-x)PO_(4)suffers from the problem of non-uniform carbon cladding.Too thick carbon cladding layer instead hinders the de-embedding of lithium ions.In this paper,we choose cornstalk as the carbon source,then LiFe_(0.5)Mn_(0.5)PO_(4)@cornstalk-C(LFMP@C-C)with 3D anchoring structure is prepared by the solvothermal method.The results show that the LFMP with cornstalk as the carbon source has better performance compared to the sucrose-coated LFMP material(LFMP@C).The discharge capacity of LFMP@C-C is 116 mAh/g for the first cycle at 1 C and the capacity retention rate is 94.0%after 500 cycles,and the discharge capacity of LFMP@C-C is more than 17.17%higher than that of LFMP@C.展开更多
H2S is an essential gas signal molecule in cells,and viscosity is a key internal environmental parameter.Recent studies have shown that H_(2)S acts as a cytoarchitecture agent and gas transmitter in many tissues,e.g.,...H2S is an essential gas signal molecule in cells,and viscosity is a key internal environmental parameter.Recent studies have shown that H_(2)S acts as a cytoarchitecture agent and gas transmitter in many tissues,e.g.,as a regulator of neuroendocrine in the brain for mediating vascular tone in blood vessels.Mitochondrial viscosity is an important parameter for judging whether mitochondrial function is normal.It has been reported that oxidative stress and mitochondrial dysfunction are connected with Parkinson’s disease(PD),and the protective role of H_(2)S in PD models has been extensively demonstrated.Herein,Mito-HS,a new two-photon fluorescent probe was demonstrated to detect cross-talk between the two channels of mitochondrial viscosity and H_(2)S content.Moreover,this probe could detect the relative amount of and changes in mitochondrial H2S in situ due to the reduced mitochondrial targeting ability after reaction with H_(2)S.The results show that H2S in mitochondria is inversely related to viscosity.The PD model has a lower H2S in mitochondria and a higher mitochondrial viscosity than did the normal.This result is important for our deep understanding of PD and its causes.展开更多
基金supported by CITIC Dameng Mining Industries Limited-Guangxi University Joint Research Institute of manganese resources utilization and advanced materials technology,Guangxi University-CITIC Dameng Mining Industries Limited Joint base of postgraduate cultivation,National Natural Science Foundation of China(No.11364003)Guangxi Innovation Driven Development Project(Nos.AA17204100,AA18118052)the Natural Science Foundation of Guangxi Province(No.2018GXNSFAA138186)。
文摘The organic carbon source coating LiFe_(x)Mn_(1-x)PO_(4)suffers from the problem of non-uniform carbon cladding.Too thick carbon cladding layer instead hinders the de-embedding of lithium ions.In this paper,we choose cornstalk as the carbon source,then LiFe_(0.5)Mn_(0.5)PO_(4)@cornstalk-C(LFMP@C-C)with 3D anchoring structure is prepared by the solvothermal method.The results show that the LFMP with cornstalk as the carbon source has better performance compared to the sucrose-coated LFMP material(LFMP@C).The discharge capacity of LFMP@C-C is 116 mAh/g for the first cycle at 1 C and the capacity retention rate is 94.0%after 500 cycles,and the discharge capacity of LFMP@C-C is more than 17.17%higher than that of LFMP@C.
基金the National Natural Science Foundation of China(Nos.81672508,21675085)Jiangsu Provincial Foundation for Distinguished Young Scholars(Nos.BK20170041,BK20170042)+2 种基金Natural Science Foundation of Shaanxi Province(No.2019JM-016)China-Sweden Joint Mobility Project(No.51811530018)Fundamental Research Funds for the Central Universities。
文摘H2S is an essential gas signal molecule in cells,and viscosity is a key internal environmental parameter.Recent studies have shown that H_(2)S acts as a cytoarchitecture agent and gas transmitter in many tissues,e.g.,as a regulator of neuroendocrine in the brain for mediating vascular tone in blood vessels.Mitochondrial viscosity is an important parameter for judging whether mitochondrial function is normal.It has been reported that oxidative stress and mitochondrial dysfunction are connected with Parkinson’s disease(PD),and the protective role of H_(2)S in PD models has been extensively demonstrated.Herein,Mito-HS,a new two-photon fluorescent probe was demonstrated to detect cross-talk between the two channels of mitochondrial viscosity and H_(2)S content.Moreover,this probe could detect the relative amount of and changes in mitochondrial H2S in situ due to the reduced mitochondrial targeting ability after reaction with H_(2)S.The results show that H2S in mitochondria is inversely related to viscosity.The PD model has a lower H2S in mitochondria and a higher mitochondrial viscosity than did the normal.This result is important for our deep understanding of PD and its causes.
