目的不同生理阶段女性盆底功能和盆底器官脱垂(pelvic organ prolapse,POP)现状及差异尚不清晰,本研究对未分娩和已分娩绝经前、绝经后女性的现状进行对比分析。方法连续收集2018年5月至2020年5月就诊我院围产中心患者366例,包括120例...目的不同生理阶段女性盆底功能和盆底器官脱垂(pelvic organ prolapse,POP)现状及差异尚不清晰,本研究对未分娩和已分娩绝经前、绝经后女性的现状进行对比分析。方法连续收集2018年5月至2020年5月就诊我院围产中心患者366例,包括120例未分娩绝经前、126例已分娩绝经前和120例绝经后女性。收集入组患者的手测肌力、盆底电生理指标和POP分度。结果卡方分析结果显示,绝经后女性的手测肌力(包括手测牛津肌力和肛提肌肌力)、Ⅱ类肌纤维肌力的异常人数百分比显著高于未分娩和已分娩绝经前组(P<0.01)。绝经后女性的阴道压力和POP分期为0级的人数占比均显著低于未分娩绝经前组(P<0.01)。经多因素logistic回归分析,自行盆底康复锻炼为手测盆底肌力下降的保护因素,分娩和绝经为手测盆底肌力和Ⅱ类肌纤维肌力异常的危险因素。分娩是POP的危险因素。结论盆底肌力异常和POP在绝经后女性中发病率增加,增加盆底康复锻炼可减少该疾病的发生。展开更多
Cupric oxide(CuO)nanoparticles were grown on zinc oxide(ZnO)nanorod(NR)arrays to form ZnO–CuO corn-like composites via a simple two step solution-based method.First,ZnO nanorods were grown on a glass substrate by the...Cupric oxide(CuO)nanoparticles were grown on zinc oxide(ZnO)nanorod(NR)arrays to form ZnO–CuO corn-like composites via a simple two step solution-based method.First,ZnO nanorods were grown on a glass substrate by the hydrothermal method.Afterwards,CuO crystals were photochemically deposited on ZnO NRs using ultraviolet(UV)light irradiation at room temperature.The density and size of CuO nanoparticles(NPs)on ZnO NRs can be controlled by the irradiation time of UV light.The structural and optical properties of ZnO–CuO nanocomposites were characterized by using various techniques such as UV-vis absorption spectroscopy,photoluminescence,scanning electron microscopy,energy dispersive x-ray spectroscopy,and x-ray diffraction.ZnO–CuO nanocomposites show an excellent improvement in photocatalytic characteristics compared to bare ZnO NRs.展开更多
A NH_(3) gas sensor based on a ZnO nanorod array is fabricated by hydrothermal decomposition on a Au electrode.The as-grown ZnO nanorods have uniform diameter distribution and good crystal structure,shown by scanning ...A NH_(3) gas sensor based on a ZnO nanorod array is fabricated by hydrothermal decomposition on a Au electrode.The as-grown ZnO nanorods have uniform diameter distribution and good crystal structure,shown by scanning electron microscopy,x-ray diffraction,high resolution transmission electron microscopy and photoluminescence emission characterizations.The gas sensing results show that the ZnO nanorod-based device responds well to ammonia gas at room temperature(sensitivity𝑆is about 8).展开更多
文摘目的不同生理阶段女性盆底功能和盆底器官脱垂(pelvic organ prolapse,POP)现状及差异尚不清晰,本研究对未分娩和已分娩绝经前、绝经后女性的现状进行对比分析。方法连续收集2018年5月至2020年5月就诊我院围产中心患者366例,包括120例未分娩绝经前、126例已分娩绝经前和120例绝经后女性。收集入组患者的手测肌力、盆底电生理指标和POP分度。结果卡方分析结果显示,绝经后女性的手测肌力(包括手测牛津肌力和肛提肌肌力)、Ⅱ类肌纤维肌力的异常人数百分比显著高于未分娩和已分娩绝经前组(P<0.01)。绝经后女性的阴道压力和POP分期为0级的人数占比均显著低于未分娩绝经前组(P<0.01)。经多因素logistic回归分析,自行盆底康复锻炼为手测盆底肌力下降的保护因素,分娩和绝经为手测盆底肌力和Ⅱ类肌纤维肌力异常的危险因素。分娩是POP的危险因素。结论盆底肌力异常和POP在绝经后女性中发病率增加,增加盆底康复锻炼可减少该疾病的发生。
基金the National Basic Research Program of China(2012CB933301,2009CB930601)the Opening Project of State Key Laboratory of High Performance Ceramics and Superfine Microstructure(SKL201111SIC)+1 种基金the National Natural Science Foundation of China(20904024,51173081)the Natural Science Foundation of Jiangsu Province(BK2011760).
文摘Cupric oxide(CuO)nanoparticles were grown on zinc oxide(ZnO)nanorod(NR)arrays to form ZnO–CuO corn-like composites via a simple two step solution-based method.First,ZnO nanorods were grown on a glass substrate by the hydrothermal method.Afterwards,CuO crystals were photochemically deposited on ZnO NRs using ultraviolet(UV)light irradiation at room temperature.The density and size of CuO nanoparticles(NPs)on ZnO NRs can be controlled by the irradiation time of UV light.The structural and optical properties of ZnO–CuO nanocomposites were characterized by using various techniques such as UV-vis absorption spectroscopy,photoluminescence,scanning electron microscopy,energy dispersive x-ray spectroscopy,and x-ray diffraction.ZnO–CuO nanocomposites show an excellent improvement in photocatalytic characteristics compared to bare ZnO NRs.
基金by the National Basic Research Program of China under Grant No 2009CB930601the National Natural Science Foundation of China(50902071,61076067,20974046)+2 种基金the Natural Science Research Project of Jiangsu Ordinary University(09KJB430008)the Open Research Fund of State Key Laboratory of Bioelectronics,Southeast University(BJ209007)the Science Foundation of Nanjing University of Posts and Telecommunications(NY208058).
文摘A NH_(3) gas sensor based on a ZnO nanorod array is fabricated by hydrothermal decomposition on a Au electrode.The as-grown ZnO nanorods have uniform diameter distribution and good crystal structure,shown by scanning electron microscopy,x-ray diffraction,high resolution transmission electron microscopy and photoluminescence emission characterizations.The gas sensing results show that the ZnO nanorod-based device responds well to ammonia gas at room temperature(sensitivity𝑆is about 8).
