Huajuhong(Exocarpium Citri grandis,ECG)is a traditional Chinese herbal medicine and has been used for the treatment of respiratory diseases for hundreds of years.Recently,ECG has been listed in a traditional Chinese m...Huajuhong(Exocarpium Citri grandis,ECG)is a traditional Chinese herbal medicine and has been used for the treatment of respiratory diseases for hundreds of years.Recently,ECG has been listed in a traditional Chinese medicine formula in the Guidelines for the Diagnosis and Treatment of Coronavirus Disease 2019(sixth edition)in China.To date,the effect and mechanism of ECG against respiratory diseases have not been systematically reviewed.In this paper,the researchers summarized the effects of ECG and its pharmacologically active compound naringin in functioning as an antitussive and expectorant,improving lung function,alleviating acute lung injury,attenuating pulmonary fibrosis,and enhancing antiviral immune response,so as to provide a reference for its clinical application in the prevention and treatment of multiple respiratory diseases,including coronavirus disease 2019.展开更多
Proton conductivity of proton exchange membranes(PEMs)strongly relies on microscopic morphology,which can be modulated by engineering the distribution of ionic groups.Herein,poly(arylene ether)s with densely distribut...Proton conductivity of proton exchange membranes(PEMs)strongly relies on microscopic morphology,which can be modulated by engineering the distribution of ionic groups.Herein,poly(arylene ether)s with densely distributed allyl functionalities are polymerized from a tetra-allyl bisphenol A monomer.The subsequent thiol-ene addition with sodium 3-mercapto-1-propanesulfonate yields comb-shaped sulfonated fluorinated poly(arylene ether)s(SFPAEs)with ion exchange capacities(lECs)ranging from 1.29 mmol·g^-1 to 1.78 mmol g^-1.These SFPAEs exhibit superior proton conductivity over the whole temperature range,which is attributed to the enhanced hydrophilic/hydrophobic phase separation as evidenced by small angle X-ray scattering characterizations.The SFPAE-4-40 with an IEC of 1.78 mmol·g^-1 shows the largest proton conductivity of 93 mS-crrr1 at room temperature under fully hydrated condition,higher than that of Nafion 212.Furthermore,the vanadium redox flow battery(VRFB)assembled with SFPAE-4-40 separator exhibits higher energy efficiency than the VRFB assembled with Nafion 212.展开更多
基金Science and Technology Planning Project of Guangdong Province in China(2018A030313491,2019B090905002).
文摘Huajuhong(Exocarpium Citri grandis,ECG)is a traditional Chinese herbal medicine and has been used for the treatment of respiratory diseases for hundreds of years.Recently,ECG has been listed in a traditional Chinese medicine formula in the Guidelines for the Diagnosis and Treatment of Coronavirus Disease 2019(sixth edition)in China.To date,the effect and mechanism of ECG against respiratory diseases have not been systematically reviewed.In this paper,the researchers summarized the effects of ECG and its pharmacologically active compound naringin in functioning as an antitussive and expectorant,improving lung function,alleviating acute lung injury,attenuating pulmonary fibrosis,and enhancing antiviral immune response,so as to provide a reference for its clinical application in the prevention and treatment of multiple respiratory diseases,including coronavirus disease 2019.
基金the National Natural Science Foundation of China(Nos.51873037 and 51503038).
文摘Proton conductivity of proton exchange membranes(PEMs)strongly relies on microscopic morphology,which can be modulated by engineering the distribution of ionic groups.Herein,poly(arylene ether)s with densely distributed allyl functionalities are polymerized from a tetra-allyl bisphenol A monomer.The subsequent thiol-ene addition with sodium 3-mercapto-1-propanesulfonate yields comb-shaped sulfonated fluorinated poly(arylene ether)s(SFPAEs)with ion exchange capacities(lECs)ranging from 1.29 mmol·g^-1 to 1.78 mmol g^-1.These SFPAEs exhibit superior proton conductivity over the whole temperature range,which is attributed to the enhanced hydrophilic/hydrophobic phase separation as evidenced by small angle X-ray scattering characterizations.The SFPAE-4-40 with an IEC of 1.78 mmol·g^-1 shows the largest proton conductivity of 93 mS-crrr1 at room temperature under fully hydrated condition,higher than that of Nafion 212.Furthermore,the vanadium redox flow battery(VRFB)assembled with SFPAE-4-40 separator exhibits higher energy efficiency than the VRFB assembled with Nafion 212.
