整合连续的体外流量测量到一个使用的室内设置
Çlirim Alija1, Lukas Knobe1, Ioanna Pouyiourou1
1Clinical Physiology/Nutritional Medicine, Medical Department, Division of Gastroenterology, Infectiology, Rheumatology, Charité-Universitätsmedizin Berlin, 12203 Berlin, Germany.
International journal of molecular sciences
|February 24, 2024
概括
这项研究引入了一种用于连续监测光化合物在上皮组织中的流量的新型装置. 这种方法可以实时评估细胞透性变化,克服传统采样技术的局限性.
科学领域:
- 皮质生理学 皮质生理学
- 生物物理技术 生物物理技术
- 药理学 药理学是指药理学的学科.
背景情况:
- 光化合物对于研究上皮层的半细胞运输至关重要.
- 采用采样的传统流量测量不足以检测快速的透性变化.
- 现有的方法缺乏实时监控能力在Ussing室设置.
研究的目的:
- 开发和验证一种用于测量光化合物的连续横体流量的装置.
- 为了使Ussing室中的电气和流量参数能够同时记录.
- 评估该装置在评估细胞屏障功能和透性动态方面的实用性.
主要方法:
- 开发一个集成LED,光学过器和光二极管的流通腔,用于实时光检测.
- 使用光素对设备进行校准,其度范围为1nM至150nM.
- 该装置应用于各种细胞系,以在不同的条件下测量光素流量,包括改变屏障功能和透挑战.
主要成果:
- 该设备显示了与光素度相关的线性输出,表明了可靠的校准.
- 光素流量测量对细胞屏障完整性的变化敏感,这种变化是由紧密结蛋白表达和EGTA治疗调节的.
- 细胞间的化物分泌和透性操纵显著影响了细胞间体光素流量,突出显示了该装置捕捉动态变化的能力.
结论:
- 开发的设备提供了一个强大的平台,用于持续实时监测光化合物体流量.
- 这项技术克服了传统采样方法的局限性,为表皮屏障功能提供了更深入的见解.
- 该设备与Ussing室电气记录的集成允许对上皮质运输过程进行全面分析.
相关概念视频
Respiratory Volumes
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Measurement of Air Content in Concrete
Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
The pressure method,...
Measurement of Fluid Pressure
Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
Laminar Flow
Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
Pipe Flowrate Measurement
In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...
The orifice meter is a simple,...


