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HIGH THROUGHPUT FLUORESCENT SCREENING OF MEMBRANE POTENTIAL UNDER VARIABLE GRAVITY CONDITIONS

机译:变重力条件下膜电位的高通量荧光筛分

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摘要

In bilayer and patch-clamp experiments it wasrnshown that the electrophysiological parameters ofrnneuronal cells, as there are ion channel activity,rnintracellular ion concentrations and membranernpotential, respond to gravity changes. Due torntechnical limitations (e.g. time-consuming manualrnoperations) of electrophysiological techniques thernamount of acquired data is limited.rnOptical techniques as fluorescence and fluorometricrnmeasurements can also be used to investigaternelectrophysiological properties of cells as sensitivernfluorescent probes for these properties have beenrndeveloped.rnOn ground various high-throughput fluorometricrnsystems are commercially available. Such a highrnthroughput system would significantly increase thernpossible data yield and facilitate a lot of futurernexperiments in micro- and hypergravity research.rnTherefore a FlexStation? 1 from MolecularrnDevices, a high-throughput multiwell reader, wasrnadapted to parabolic flight conditions.rnIn a first series of experiments the membranernpotential of neuronal cells was investigated tornverify the system.
机译:在双层和膜片钳实验中,发现神经元细胞的电生理参数,如离子通道活性,细胞内离子浓度和膜电位等,对重力的变化有反应。由于电生理技术的技术限制(例如,费时的手动操作),因此获取的数据数量有限。随着荧光和荧光测量的光学技术也可以用于研究细胞的电生理特性,因为已经开发了针对这些特性的灵敏荧光探针。地面上各种高通量荧光计量系统是可商购的。这样的高通量系统将显着提高不可能的数据产量,并促进微重力和超重力研究的许多未来实验。来自高通量多孔读取器MolecularrnDevices的1适应抛物线飞行条件。在第一个系列实验中,研究了神经元细胞的膜电位来验证系统。

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  • 来源
  • 会议地点 Aberdeen(GB)
  • 作者

    Florian P.M. Kohn;

  • 作者单位

    University of Hohenheim, Institute of Physiology, Garbenstr. 30, 70599 Stuttgart, Germany,Email: Florian.P.M.Kohn@uni-hohenheim.de;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
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