BACKGROUND： In the perspective of traditional Chinese medicine, few studies have focused on the compound preparations though there are many investigations. The present study was undertaken to investigate the effect o...BACKGROUND： In the perspective of traditional Chinese medicine, few studies have focused on the compound preparations though there are many investigations. The present study was undertaken to investigate the effect of Zhenwu Tang Granule on chronic pressure-overloaded left ventricular hypertrophy in rats.METHODS： The study was performed at the laboratory of Guangzhou Institute of Respiratory Disease. Male SD rats were divided randomly into 3 groups： sham operation group （n=8）, operation group （n=15） and traditional Chinese medicine （TCM） group （n=15）.The model of myocardial hypertrophy was made by gradually constricting the abdominal aorta. Sixteen weeks later, cardiac ultrasonography was performed in all groups in order to ascertain post-operational left ventricular （LV） hypertrophy. And Zhenwu Tang Granule was added at a dose of 12 g/kg in the mixed feedstuff for 8 weeks in the TCM group. In the 24th week, weight, structure as well as function of the heart in each group were measured by high-frequency ultrasonography, and Masson＇s staining was performed on the cardiac muscles. Meanwhile, total collagen volume fraction （CVF-T） and non-coronary vessel collagen volume fraction （CVF-NV） were analyzed.RESULTS： There was an increase in the weight of the heart in the operation group, with the left ventricule dominated （P〈0.05）. The heart was enlarged, with diastolic interventricular septal distance （IVSd） and left ventricular posterior wall distance （LVPWd） dominated （P〈0.01）.There was a significant decrease in the cardiac function （P〈0.05）. The weight （P〈0.01） and volume of the heart decreased in the TCM group compared with the operation group, with IVSd and systolic left ventricular posterior wall dominated （P〈0.01）. And the cardiac function was improved （P〈0.05）. Significant interstitial and collagen hyperplasia was shown in the operation group based on pathological analysis, and various improvements were proved in the TCM group, i.e.展开更多
Quantum teleportation is designed to send an unknown quantum state between two parties.In the perspective of remote quantum metrology,one may be interested in teleporting the information that is encoded by physical pa...Quantum teleportation is designed to send an unknown quantum state between two parties.In the perspective of remote quantum metrology,one may be interested in teleporting the information that is encoded by physical parameters synthesized by quantum Fisher information(QFI).However,the teleported QFI is often destroyed by the unavoidable interaction between the system and the environment.Here,we propose two schemes to improve the teleportation of QFI in the non-Markovian environment.One is to control the quantum system through the operations of weak measurement(WM)and corresponding quantum measurement reversal(QMR).The other is to modify the quantum system based on the monitoring result of the environment(i.e.,environment-assisted measurement,EAM).It is found that,in the non-Markovian environment,these two schemes can improve the teleportation of QFI.By selecting the appropriate strengths of WM and QMR,the environment noise can be completely eliminated and the initial QFI is perfectly teleported.A comprehensive comparison shows that the second scheme not only has a higher probability of success than the first one,but also has a significant improvement of the teleported QFI.展开更多
文摘BACKGROUND： In the perspective of traditional Chinese medicine, few studies have focused on the compound preparations though there are many investigations. The present study was undertaken to investigate the effect of Zhenwu Tang Granule on chronic pressure-overloaded left ventricular hypertrophy in rats.METHODS： The study was performed at the laboratory of Guangzhou Institute of Respiratory Disease. Male SD rats were divided randomly into 3 groups： sham operation group （n=8）, operation group （n=15） and traditional Chinese medicine （TCM） group （n=15）.The model of myocardial hypertrophy was made by gradually constricting the abdominal aorta. Sixteen weeks later, cardiac ultrasonography was performed in all groups in order to ascertain post-operational left ventricular （LV） hypertrophy. And Zhenwu Tang Granule was added at a dose of 12 g/kg in the mixed feedstuff for 8 weeks in the TCM group. In the 24th week, weight, structure as well as function of the heart in each group were measured by high-frequency ultrasonography, and Masson＇s staining was performed on the cardiac muscles. Meanwhile, total collagen volume fraction （CVF-T） and non-coronary vessel collagen volume fraction （CVF-NV） were analyzed.RESULTS： There was an increase in the weight of the heart in the operation group, with the left ventricule dominated （P〈0.05）. The heart was enlarged, with diastolic interventricular septal distance （IVSd） and left ventricular posterior wall distance （LVPWd） dominated （P〈0.01）.There was a significant decrease in the cardiac function （P〈0.05）. The weight （P〈0.01） and volume of the heart decreased in the TCM group compared with the operation group, with IVSd and systolic left ventricular posterior wall dominated （P〈0.01）. And the cardiac function was improved （P〈0.05）. Significant interstitial and collagen hyperplasia was shown in the operation group based on pathological analysis, and various improvements were proved in the TCM group, i.e.
基金Project supported by the National Natural Science Foundation of China (Grant Nos.61765007 and 12265004)Jiangxi Provincial Natural Science Foundation,China (Grant No.20212ACB211004)Innovation Foundation of Jiangxi University of Science and Technology (Grant No.XY2021-S088)。
文摘Quantum teleportation is designed to send an unknown quantum state between two parties.In the perspective of remote quantum metrology,one may be interested in teleporting the information that is encoded by physical parameters synthesized by quantum Fisher information(QFI).However,the teleported QFI is often destroyed by the unavoidable interaction between the system and the environment.Here,we propose two schemes to improve the teleportation of QFI in the non-Markovian environment.One is to control the quantum system through the operations of weak measurement(WM)and corresponding quantum measurement reversal(QMR).The other is to modify the quantum system based on the monitoring result of the environment(i.e.,environment-assisted measurement,EAM).It is found that,in the non-Markovian environment,these two schemes can improve the teleportation of QFI.By selecting the appropriate strengths of WM and QMR,the environment noise can be completely eliminated and the initial QFI is perfectly teleported.A comprehensive comparison shows that the second scheme not only has a higher probability of success than the first one,but also has a significant improvement of the teleported QFI.
