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相关概念视频

Precipitation Gravimetry01:03

Precipitation Gravimetry

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Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
12.8K

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相关实验视频

Updated: May 2, 2026

A High Performance Impedance-based Platform for Evaporation Rate Detection
06:39

A High Performance Impedance-based Platform for Evaporation Rate Detection

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基于毛细管力和蒸发的微流体汗水贴片用于实时连续汗水分析.

Xiujun Fu, Ye Qiu, Hengjie Zhang

  • 1Key Laboratory of Optical Field Manipulation of Zhejiang Province, College of Science, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China.

Biomicrofluidics
|June 6, 2024
PubMed
概括

这项研究引入了一种可穿戴的微流体贴,用于连续的实时汗水分析. 这种新的设计加速了汗水的收集,并使关键健康生物标志物的同时监测成为可能.

科学领域:

  • 生物医学工程 生物医学工程
  • 可穿戴技术可穿戴技术
  • 分析化学 分析化学

背景情况:

  • 汗液含有各种用于健康监测的生理指标.
  • 实时,在现场测量多个汗水生物标志物是具有挑战性的.
  • 现有的可穿戴汗液传感器在持续收集和检测方面存在局限性.

研究的目的:

  • 开发一种可穿戴的微流体贴,用于加速和持续收集汗水.
  • 为了实现实时,现场监测多个汗水生物标志物.
  • 为了简化健康应用的有效可穿戴汗液传感器的开发.

主要方法:

  • 集成的微流体通道和蒸发用于增强汗水收集.
  • 利用毛细血管力量快速流汗和激光诱导的石墨烯蒸发.
  • 分析了通道尺寸参数,并实施了多通道并行设计,并采用了化.
  • 集成的传感器模块用于离子,离子,葡萄糖和pH测量.

主要成果:

  • 实现了加速和连续的汗水收集,没有储存腔.
  • 展示了无间断的新鲜汗流,用于实时监控.
  • 针对所需的汗流速和减少液体流动阻力,优化了通道尺寸.

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Last Updated: May 2, 2026

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  • 确保了集成传感器系统的绝佳密封性和稳定性.

    • 结论:

    • 拟议的可穿戴微流体贴为汗水分析提供了一种简化方法.
    • 这项技术有助于对汗水中的多种健康指标进行持续的实时监测.
    • 开发的传感器贴片对未来的健康监测和疾病诊断应用具有重大潜力.