Solar-driven water splitting is a promising alternative to industrial hydrogen production.This study reports an elaborate design and synthesis of the integration of cadmium sulfi de(CdS)quantum dots and cuprous sulfi ...Solar-driven water splitting is a promising alternative to industrial hydrogen production.This study reports an elaborate design and synthesis of the integration of cadmium sulfi de(CdS)quantum dots and cuprous sulfi de(Cu_(2)S)nanosheets as three-dimensional(3D)hollow octahedral Cu_(2)S/CdS p-n heterostructured architectures by a versatile template and one-pot sulfi dation strategy.3D hierarchical hollow nanostructures can strengthen multiple refl ections of solar light and provide a large specifi c surface area and abundant reaction sites for photocatalytic water splitting.Owing to the construction of the p-n heterostructure as an ideal catalytic model with highly matched band alignment at Cu_(2)S/CdS interfaces,the emerging internal electric fi eld can facilitate the space separation and transfer of photoexcited charges between CdS and Cu_(2)S and also enhance charge dynamics and prolong charge lifetimes.Notably,the unique hollow Cu_(2)S/CdS architectures deliver a largely enhanced visible-light-driven hydrogen generation rate of 4.76 mmol/(g·h),which is nearly 8.5 and 476 times larger than that of pristine CdS and Cu_(2)S catalysts,respectively.This work not only paves the way for the rational design and fabrication of hollow photocatalysts but also clarifi es the crucial role of unique heterostructure in photocatalysis for solar energy conversion.展开更多
Objective:To investigate the impact of sarcopenia on the prognosis of frail elderly patients with chronic kidney disease.Methods:A total of 98 elderly frail patients with chronic kidney disease were included in this s...Objective:To investigate the impact of sarcopenia on the prognosis of frail elderly patients with chronic kidney disease.Methods:A total of 98 elderly frail patients with chronic kidney disease were included in this study from June 2020 to July 2022.The patients were randomly divided into a study group of 48 cases and a control group of 50 cases.The control group only received conventional treatment for chronic kidney disease.On the basis of conventional treatment for chronic kidney disease,the study group added sarcopenia intervention treatment.The quality-of-life scores,muscle mass and muscle strength,renal function,and incidence of complications of the two groups were observed and analyzed.Results:The quality-of-life score,muscle mass and muscle strength,and renal function of the study group were significantly better than those of the control group(P<0.05);the incidence of complications in the study group was 12.5%,which was significantly lower than that of the control group 36%of the group(P<0.05).Conclusion:There is a close relationship between sarcopenia and frail elderly patients with chronic kidney disease.Sarcopenia will further aggravate the frailty symptoms and increase the risk of complications in elderly patients with chronic kidney disease.For elderly patients with chronic kidney disease,sarcopenia should be screened and intervened as early as possible to improve the prognosis and quality of life of the patients.展开更多
Objective:To explore the relationship between osteoporosis and sarcopenic obesity in patients with chronic kidney disease.Methods:A total of 102 patients with chronic kidney disease from June 2021 to May 2023 were inc...Objective:To explore the relationship between osteoporosis and sarcopenic obesity in patients with chronic kidney disease.Methods:A total of 102 patients with chronic kidney disease from June 2021 to May 2023 were included in this study.Patients underwent medical history interviews,physical exams,bone mineral density,muscle mass,and renal function assessments,including glomerular filtration rate and serum creatinine levels.Results:The occurrence of sarcopenic obesity in patients with chronic kidney disease+osteoporosis was notably higher at 41.03%,compared to 19.04%in patients with chronic kidney disease alone(P<0.05).Significant distinctions were observed in muscle mass,bone density,serum creatinine,and glomerular filtration rate between the two groups:chronic kidney disease osteoporosis+sarcopenic obesity and chronic kidney disease+sarcopenic obesity(P<0.05).Conclusion:There is a certain relationship between osteoporosis and sarcopenic obesity in patients with chronic kidney disease.Therefore,it is necessary to consider both aspects during treatment,and strengthen prevention and treatment measures to improve the quality of life and prognosis of patients.展开更多
Objective:To explore the feasibility of two-dimensional shear wave elastography in evaluating calf skeletal muscle stiffness in diabetic nephropathy patients with medial tibial stress syndrome.Methods:A total of 48 di...Objective:To explore the feasibility of two-dimensional shear wave elastography in evaluating calf skeletal muscle stiffness in diabetic nephropathy patients with medial tibial stress syndrome.Methods:A total of 48 diabetic nephropathy patients with medial tibial stress syndrome from January 2020 to December 2022 were included as the study group,and 48 patients with diabetic nephropathy during the same period were included as the control group.Both groups were detected by two-dimensional shear wave elastography with ultrasonic equipment,and Young‘s modulus of the tibialis anterior muscle,tibialis posterior muscle,and gastrocnemius muscle were observed and analyzed in the two groups.Results:The Young‘s modulus values of tibialis anterior muscle,tibialis posterior muscle,and gastrocnemius muscle in the study group were significantly lower than those in the control group(P<0.05).Conclusion:Two-dimensional shear wave elastography is feasible for the evaluation of calf skeletal muscle stiffness in diabetic nephropathy patients with medial tibial stress syndrome,and has high accuracy and repeatability.This technique can be used to diagnose,treat and monitor muscle lesions in patients with diabetic nephropathy,and can also be used to assess muscle fatigue and exercise capacity,which has broad application prospects.展开更多
Objective:To explore the value of real-time elastic shear wave in evaluating muscle elasticity in patients with renal failure.Methods:50 patients with chronic renal failure from January 2019 to December 2022 were rand...Objective:To explore the value of real-time elastic shear wave in evaluating muscle elasticity in patients with renal failure.Methods:50 patients with chronic renal failure from January 2019 to December 2022 were randomly selected as the experimental group,and 50 healthy patients aged 21-61 during the same period were selected as the control group,and the basic information of the patients,including age,gender,body mass index,etc.,were collected.Besides,the Young's modulus of the two groups of patients were observed and analyzed.Results:The Young's modulus values of left and right gastrocnemius muscles in the experimental group were significantly lower than those in the control group(P<0.05),and there was no statistical difference between the left and right sides of the experimental group and the control group(P>0.05).Conclusion:Real-time shear wave elastography provides a non-invasive,real-time and effective tool for the assessment of muscle elasticity in patients with renal failure.Through further research and optimization,real-time shear wave elastography will play a greater role in the prevention and treatment of patients with renal failure,improving the quality of life and prognosis of patients.展开更多
Objective:To observe the status quo of patients’psychological distress,and to explore the effect of Internet+health education model(IHEM)on patients who experienced psychological distress during their first hemodialy...Objective:To observe the status quo of patients’psychological distress,and to explore the effect of Internet+health education model(IHEM)on patients who experienced psychological distress during their first hemodialysis treatment,with the goal of reducing their psychological distress and improving their quality of life.Methods:IHEM was conducted on 120 first-time hemodialysis patients for 3 months while a distress thermometer and a list of questionnaires were used to screen patients and provide corresponding psychological intervention.The incidence rate of psychological distress was analyzed statistically to explore the difference in psychological distress at various periods.Results:The incidence rate(score≥4)of psychological distress in first-time hemodialysis patients was 46.67%,and their distress was mainly rooted in physical,emotional,practical problems(economy,time,and energy),etc.Through IHEM,the psychological distress scores of the patients decreased to 3.29±1.02 at one month after their discharge,and the incidence rate was 32.14%;the psychological distress scores of the patients were 2.29±1.02 at 3 months after their discharge,and the incidence rate was 21.14%.The difference before and after the intervention was statistically significant(P<0.05).Conclusion:A psychological distress thermometer can timely detect the degree and causes of psychological distress among first-time hemodialysis patients,and the use of IHEM may significantly alleviate the psychological distress among hemodialysis patients.展开更多
基金National Natural Science Foundation of China(No.21972015)Young Top Talents Pro-ject of Liaoning Province(No.XLYC1907147)+2 种基金Joint Research Fund Liaoning-Shenyang National Laboratory for Materials Science(No.2019JH3/30100003)the Fundamental Research Funds for the Central Universities(No.DUT20TD06)the Swedish Research Council,and the K&A Wallenberg Foundation.
文摘Solar-driven water splitting is a promising alternative to industrial hydrogen production.This study reports an elaborate design and synthesis of the integration of cadmium sulfi de(CdS)quantum dots and cuprous sulfi de(Cu_(2)S)nanosheets as three-dimensional(3D)hollow octahedral Cu_(2)S/CdS p-n heterostructured architectures by a versatile template and one-pot sulfi dation strategy.3D hierarchical hollow nanostructures can strengthen multiple refl ections of solar light and provide a large specifi c surface area and abundant reaction sites for photocatalytic water splitting.Owing to the construction of the p-n heterostructure as an ideal catalytic model with highly matched band alignment at Cu_(2)S/CdS interfaces,the emerging internal electric fi eld can facilitate the space separation and transfer of photoexcited charges between CdS and Cu_(2)S and also enhance charge dynamics and prolong charge lifetimes.Notably,the unique hollow Cu_(2)S/CdS architectures deliver a largely enhanced visible-light-driven hydrogen generation rate of 4.76 mmol/(g·h),which is nearly 8.5 and 476 times larger than that of pristine CdS and Cu_(2)S catalysts,respectively.This work not only paves the way for the rational design and fabrication of hollow photocatalysts but also clarifi es the crucial role of unique heterostructure in photocatalysis for solar energy conversion.
文摘Objective:To investigate the impact of sarcopenia on the prognosis of frail elderly patients with chronic kidney disease.Methods:A total of 98 elderly frail patients with chronic kidney disease were included in this study from June 2020 to July 2022.The patients were randomly divided into a study group of 48 cases and a control group of 50 cases.The control group only received conventional treatment for chronic kidney disease.On the basis of conventional treatment for chronic kidney disease,the study group added sarcopenia intervention treatment.The quality-of-life scores,muscle mass and muscle strength,renal function,and incidence of complications of the two groups were observed and analyzed.Results:The quality-of-life score,muscle mass and muscle strength,and renal function of the study group were significantly better than those of the control group(P<0.05);the incidence of complications in the study group was 12.5%,which was significantly lower than that of the control group 36%of the group(P<0.05).Conclusion:There is a close relationship between sarcopenia and frail elderly patients with chronic kidney disease.Sarcopenia will further aggravate the frailty symptoms and increase the risk of complications in elderly patients with chronic kidney disease.For elderly patients with chronic kidney disease,sarcopenia should be screened and intervened as early as possible to improve the prognosis and quality of life of the patients.
文摘Objective:To explore the relationship between osteoporosis and sarcopenic obesity in patients with chronic kidney disease.Methods:A total of 102 patients with chronic kidney disease from June 2021 to May 2023 were included in this study.Patients underwent medical history interviews,physical exams,bone mineral density,muscle mass,and renal function assessments,including glomerular filtration rate and serum creatinine levels.Results:The occurrence of sarcopenic obesity in patients with chronic kidney disease+osteoporosis was notably higher at 41.03%,compared to 19.04%in patients with chronic kidney disease alone(P<0.05).Significant distinctions were observed in muscle mass,bone density,serum creatinine,and glomerular filtration rate between the two groups:chronic kidney disease osteoporosis+sarcopenic obesity and chronic kidney disease+sarcopenic obesity(P<0.05).Conclusion:There is a certain relationship between osteoporosis and sarcopenic obesity in patients with chronic kidney disease.Therefore,it is necessary to consider both aspects during treatment,and strengthen prevention and treatment measures to improve the quality of life and prognosis of patients.
文摘Objective:To explore the feasibility of two-dimensional shear wave elastography in evaluating calf skeletal muscle stiffness in diabetic nephropathy patients with medial tibial stress syndrome.Methods:A total of 48 diabetic nephropathy patients with medial tibial stress syndrome from January 2020 to December 2022 were included as the study group,and 48 patients with diabetic nephropathy during the same period were included as the control group.Both groups were detected by two-dimensional shear wave elastography with ultrasonic equipment,and Young‘s modulus of the tibialis anterior muscle,tibialis posterior muscle,and gastrocnemius muscle were observed and analyzed in the two groups.Results:The Young‘s modulus values of tibialis anterior muscle,tibialis posterior muscle,and gastrocnemius muscle in the study group were significantly lower than those in the control group(P<0.05).Conclusion:Two-dimensional shear wave elastography is feasible for the evaluation of calf skeletal muscle stiffness in diabetic nephropathy patients with medial tibial stress syndrome,and has high accuracy and repeatability.This technique can be used to diagnose,treat and monitor muscle lesions in patients with diabetic nephropathy,and can also be used to assess muscle fatigue and exercise capacity,which has broad application prospects.
文摘Objective:To explore the value of real-time elastic shear wave in evaluating muscle elasticity in patients with renal failure.Methods:50 patients with chronic renal failure from January 2019 to December 2022 were randomly selected as the experimental group,and 50 healthy patients aged 21-61 during the same period were selected as the control group,and the basic information of the patients,including age,gender,body mass index,etc.,were collected.Besides,the Young's modulus of the two groups of patients were observed and analyzed.Results:The Young's modulus values of left and right gastrocnemius muscles in the experimental group were significantly lower than those in the control group(P<0.05),and there was no statistical difference between the left and right sides of the experimental group and the control group(P>0.05).Conclusion:Real-time shear wave elastography provides a non-invasive,real-time and effective tool for the assessment of muscle elasticity in patients with renal failure.Through further research and optimization,real-time shear wave elastography will play a greater role in the prevention and treatment of patients with renal failure,improving the quality of life and prognosis of patients.
基金Baoding Science and Technology Plan Project(Grant number:2041ZF311)。
文摘Objective:To observe the status quo of patients’psychological distress,and to explore the effect of Internet+health education model(IHEM)on patients who experienced psychological distress during their first hemodialysis treatment,with the goal of reducing their psychological distress and improving their quality of life.Methods:IHEM was conducted on 120 first-time hemodialysis patients for 3 months while a distress thermometer and a list of questionnaires were used to screen patients and provide corresponding psychological intervention.The incidence rate of psychological distress was analyzed statistically to explore the difference in psychological distress at various periods.Results:The incidence rate(score≥4)of psychological distress in first-time hemodialysis patients was 46.67%,and their distress was mainly rooted in physical,emotional,practical problems(economy,time,and energy),etc.Through IHEM,the psychological distress scores of the patients decreased to 3.29±1.02 at one month after their discharge,and the incidence rate was 32.14%;the psychological distress scores of the patients were 2.29±1.02 at 3 months after their discharge,and the incidence rate was 21.14%.The difference before and after the intervention was statistically significant(P<0.05).Conclusion:A psychological distress thermometer can timely detect the degree and causes of psychological distress among first-time hemodialysis patients,and the use of IHEM may significantly alleviate the psychological distress among hemodialysis patients.
