Wearable devices have great application potential in the next generation of smart portable electronics,especially in the fields of medical monitoring,soft robotics,artificial intelligence,and human-machine interfaces....Wearable devices have great application potential in the next generation of smart portable electronics,especially in the fields of medical monitoring,soft robotics,artificial intelligence,and human-machine interfaces.Piezoelectric flexible strain sensors are key components of wearable devices.However,existing piezoelectric flexible strain sensors have certain limitations in weak signal monitoring due to their large modulus and low sensitivity.To solve this problem,the concept of Kirigami(paper-cutting)was introduced in this study to design the sensor structure.By comparing the Kirigami structures of different basic structures,the serpentine structure was determined as the basic configuration of the sensor.The serpentine structure not only provides excellent tensile properties,but also significantly improves the sensitivity of the sensor,which performs well in monitoring weak signals.On this basis,the adhesion properties of the flexible sensor were analyzed and tested,and the optimal ratio of the substrate was selected for preparation.In addition,a low-cost and rapid prototyping process for stretchable patches was established in this study.Using this technology,we prepared the sensor device and tested its performance.Finally,we successfully developed a flexible sensor with a sensitivity of 0.128 mV/μɛand verified its feasibility for wrist joint motion monitoring applications.This result opens up new avenues for the recovery care of tenosynovitis patients after surgery.展开更多
目的探究体验式教育联合胰岛素访谈工具在老年糖尿病患者自我管理能力的应用效果。方法选取2021年2月至2022年3月收治的69例老年糖尿病患者随机分为观察组(n=35)和对照组(n=34)。对照组接受常规护理,观察组在常规护理的基础上接受体验...目的探究体验式教育联合胰岛素访谈工具在老年糖尿病患者自我管理能力的应用效果。方法选取2021年2月至2022年3月收治的69例老年糖尿病患者随机分为观察组(n=35)和对照组(n=34)。对照组接受常规护理,观察组在常规护理的基础上接受体验式教育联合胰岛素访谈工具干预。评价患者干预前后我对胰岛素看法(diabetes attitudes wishes and needs,DAWN)和糖尿病自我管理行为量表(summary of diabetes self care activities,SDSCA)评分。结果干预前,2组患者在DAWN和SDSCA评分上差异无统计学意义(P>0.05)。干预后,观察组的DAWN和SDSCA评分均显著高于对照组(P<0.05)。结论体验式教育联合胰岛素访谈工具可以明显改善患者对胰岛素的认知和自我管理能力,值得在临床进一步推广。展开更多
基金supported by National Natural Science Foundation of China(Nos.62301509,62304209)Key Research and Development Program of Shanxi Province(No.202302030201001)Fundamental Research Program of Shanxi Province(Nos.202203021222079,0210302123203,202103021223185).
文摘Wearable devices have great application potential in the next generation of smart portable electronics,especially in the fields of medical monitoring,soft robotics,artificial intelligence,and human-machine interfaces.Piezoelectric flexible strain sensors are key components of wearable devices.However,existing piezoelectric flexible strain sensors have certain limitations in weak signal monitoring due to their large modulus and low sensitivity.To solve this problem,the concept of Kirigami(paper-cutting)was introduced in this study to design the sensor structure.By comparing the Kirigami structures of different basic structures,the serpentine structure was determined as the basic configuration of the sensor.The serpentine structure not only provides excellent tensile properties,but also significantly improves the sensitivity of the sensor,which performs well in monitoring weak signals.On this basis,the adhesion properties of the flexible sensor were analyzed and tested,and the optimal ratio of the substrate was selected for preparation.In addition,a low-cost and rapid prototyping process for stretchable patches was established in this study.Using this technology,we prepared the sensor device and tested its performance.Finally,we successfully developed a flexible sensor with a sensitivity of 0.128 mV/μɛand verified its feasibility for wrist joint motion monitoring applications.This result opens up new avenues for the recovery care of tenosynovitis patients after surgery.
文摘目的探究体验式教育联合胰岛素访谈工具在老年糖尿病患者自我管理能力的应用效果。方法选取2021年2月至2022年3月收治的69例老年糖尿病患者随机分为观察组(n=35)和对照组(n=34)。对照组接受常规护理,观察组在常规护理的基础上接受体验式教育联合胰岛素访谈工具干预。评价患者干预前后我对胰岛素看法(diabetes attitudes wishes and needs,DAWN)和糖尿病自我管理行为量表(summary of diabetes self care activities,SDSCA)评分。结果干预前,2组患者在DAWN和SDSCA评分上差异无统计学意义(P>0.05)。干预后,观察组的DAWN和SDSCA评分均显著高于对照组(P<0.05)。结论体验式教育联合胰岛素访谈工具可以明显改善患者对胰岛素的认知和自我管理能力,值得在临床进一步推广。
