摘要：电化学传感器因其响应速度快、灵敏度高、选择性好和易于定量化而被广泛用于检测物质浓度.随着柔性电子技术的迅速发展,电化学传感器已发展为柔性可穿戴形态,被用于生物液/气流体的原位分析,从而以便携、无创的方式实现对生理指标和健康状态的连续监测,在智慧健康与医疗领域展现出巨大潜力.有鉴于此,本综述聚焦于面向无创医学检测的柔性电化学传感器的设计与应用,首先介绍了柔性电化学传感器的基本构成,然后讨论了各种类型传感器的工作原理,接着系统性综述了柔性电化学传感器在汗液、间质液、泪液、唾液和呼吸等典型生物流体中重要化学物质检测方面的最新进展.最后,总结并讨论了柔性电化学传感器所面临的挑战与机遇,展望了其在无创健康监测和精准医疗方面的前景.

摘要：Hybrid perovskite possesses excellent photoelectric properties,including large light-absorption capacity and high carrier mobility,and is an ideal light-absorbing material for photoelectric *** grain size and compactness of hybrid perovskite are key factors affecting the performance of photoelectric *** photocurrent and photoresponsivity of these devices are relatively low because of the rapidly recombined photoexcited electron-hole pairs in hybrid ***,we develop a facile two-step chemical vapor deposition(CVD)method to synthesize a high-quality van der Waals(vd Ws)MAPb I3/graphene heterostructure for high-performance image *** introduced inorganic sources(PbI2)to vd Ws epitaxially grown Pb I2 film on a seamless graphene monolayer film template through *** iodide(MAI)was then reintroduced to prepare the vd Ws MAPb I3/graphene *** MAPb I3 layer is composed of densely packed,large-size grains and displays a smooth *** photoresponsivity of 107A/W is achieved in the corresponding *** by the human visual system,we designed a flexible photodetector array containing(24?24)pixels,achieving perfect image recognition and color *** study may greatly facilitate the construction of high-performance optoelectronic devices in artificial retina,biomedical imaging,remote sensing,and optical communication.

摘要：采用葡萄糖溶液作为渗透液,以葡萄糖溶液的浓度、渗透时间和渗透温度为因素,通过正交试验设计,分析各因素对草莓渗透脱水率的影响。结果表明,温度是影响失水率的最主要因素,其次是浓度,渗透时间的影响最小;同时,确定了渗透脱水的最佳方案。

摘要：实现乡村振兴就必须挖掘乡村的独特价值和多元功能,古市镇“城市客厅”通过将古代与现代的文化融合,使文脉得以传承,通过其外型材质、内部空间、周围景观讲述历史的延续性,激发出当地居民的参与感和认同感,回忆活化再现的空间,使建筑成为历史街区的振兴枢纽,为游客和当地居民提供服务,赋予古老的街区以新的生机。