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Updated: Feb 26, 2026

Measuring the Osmotic Water Permeability Coefficient Pf of Spherical Cells: Isolated Plant Protoplasts as an Example
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過剰浸透圧勾配下における一過性膜透過水流の迅速単一細胞測定

Hong Jiang1, Jinnawat Jongkhumkrong2, Y J Chao1

  • 1Department of Mechanical Engineering, University of South Carolina, Columbia, SC, 29208, USA.

The Journal of membrane biology
|February 25, 2026
PubMed
まとめ

研究者らは、アクアポリン（AQP）を通る水の輸送を単一細胞で測定するための新しい光学的手法、Flow-Induced Fluorescence Increase Velocimetry（FIFIV）を開発しました。この技術は、様々な条件下でのAQP調節を研究するための高感度を提供します。

キーワード:
浸透圧勾配アクアポリン細胞膜水透過性Flow-Induced Fluorescence Increase Velocimetry (FIFIV)一過性膜透過水流の測定

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関連する概念動画

Osmosis01:30

Osmosis

Osmosis is the movement of free water molecules through a semipermeable membrane.  The water's concentration gradient across the membrane is inversely proportional to the solutes' concentration. Whereas diffusion transports material across membranes and within cells, osmosis transports only water across a membrane, and the membrane limits the diffusion of solutes in the water. Osmosis is a special case of diffusion.
Water, like other substances, moves from a high concentration of...
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