Chinese herbal flavonoids play a role in improving the health of aquatic animals and optimizing the quality of aquatic products.The efficient extraction of flavonoids is beneficial to deepening the application of flav...Chinese herbal flavonoids play a role in improving the health of aquatic animals and optimizing the quality of aquatic products.The efficient extraction of flavonoids is beneficial to deepening the application of flavonoids in aquatic products.To explore the optimal way of flavonoid extraction has become a hot research topic.In this study,based on temperature,ultrasonic power and extraction time,the best ways to extract flavonoids from four Chinese herbal medicines,purslane,Verbena,Fructus Amomi and Alpinia oxyphylla,were explored.Through single-factor and multi-factor optimization extraction,the most appropriate conditions for flavonoid extraction were obtained.The results showed that the best way of ultrasonic assisted extraction of flavonoids was purslane at 40℃,300 W(400 W),Verbena at 70℃,400W,Fructus Amomi at 50℃,200 W,and A.oxyphylla at 40℃,400W,and 40 min.The results of orthogonal design showed that purslane could get 13.20 mg/g at 40℃,400 W and 50 min,Verbena could get 10.23 mg/g at 60℃,300 W and 30 min,Fructus Amomi could get 8.18 mg/g at 50℃,300 W and 60 min,and A.oxyphylla could get 7.31 mg/g at 30℃,300 W and 50 min.展开更多
Metal-organic frameworks(MOFs)are a class of fascinating supramolecular crystalline materials that have been widely developed for catalysis,gas storage,illumination,drug delivery/cytoprotection,and so on.Recently,MOFs...Metal-organic frameworks(MOFs)are a class of fascinating supramolecular crystalline materials that have been widely developed for catalysis,gas storage,illumination,drug delivery/cytoprotection,and so on.Recently,MOFs have been found to have potential applications in X-ray detection due to their high sensitivity,fast response time,high absorption coefficient,and radiation stability.In this review,we present an overview on the fundamental mechanism of using MOFs for X-ray scintillation.We further discuss the recent developments in X-ray detection based on indirect X-ray scintillation and direct X-ray conversion.Finally,we provide a summary and a perspective on the future of this promising research field.展开更多
基金Supported by High-level Talents Project of Hainan Province(No.2019RC246)the Natural Science Foundation of Hainan Province(No.20163074,No.20163071)"Ichthyology"First-Class Undergraduate Course Construction Project of Hainan Province.
文摘Chinese herbal flavonoids play a role in improving the health of aquatic animals and optimizing the quality of aquatic products.The efficient extraction of flavonoids is beneficial to deepening the application of flavonoids in aquatic products.To explore the optimal way of flavonoid extraction has become a hot research topic.In this study,based on temperature,ultrasonic power and extraction time,the best ways to extract flavonoids from four Chinese herbal medicines,purslane,Verbena,Fructus Amomi and Alpinia oxyphylla,were explored.Through single-factor and multi-factor optimization extraction,the most appropriate conditions for flavonoid extraction were obtained.The results showed that the best way of ultrasonic assisted extraction of flavonoids was purslane at 40℃,300 W(400 W),Verbena at 70℃,400W,Fructus Amomi at 50℃,200 W,and A.oxyphylla at 40℃,400W,and 40 min.The results of orthogonal design showed that purslane could get 13.20 mg/g at 40℃,400 W and 50 min,Verbena could get 10.23 mg/g at 60℃,300 W and 30 min,Fructus Amomi could get 8.18 mg/g at 50℃,300 W and 60 min,and A.oxyphylla could get 7.31 mg/g at 30℃,300 W and 50 min.
基金supported by the National Natural Science Foundation of China(21971041,22001039)the Natural Science Foundation of Fujian Province(2020J01447)the Research Foundation of Education Bureau of Fujian Province(JAT210001)。
文摘Metal-organic frameworks(MOFs)are a class of fascinating supramolecular crystalline materials that have been widely developed for catalysis,gas storage,illumination,drug delivery/cytoprotection,and so on.Recently,MOFs have been found to have potential applications in X-ray detection due to their high sensitivity,fast response time,high absorption coefficient,and radiation stability.In this review,we present an overview on the fundamental mechanism of using MOFs for X-ray scintillation.We further discuss the recent developments in X-ray detection based on indirect X-ray scintillation and direct X-ray conversion.Finally,we provide a summary and a perspective on the future of this promising research field.
