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Related Concept Videos

Membrane Fluidity01:23

Membrane Fluidity

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Cell membranes are composed of phospholipids, proteins, and carbohydrates loosely attached to one another through chemical interactions. Molecules are generally able to move about in the plane of the membrane, giving the membrane its flexible nature called fluidity. Two other features of the membrane contribute to membrane fluidity: the chemical structure of the phospholipids and the presence of cholesterol in the membrane.
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Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
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A key characteristic of life is the ability to separate the external environment from the internal space. To do this, cells have evolved semi-permeable membranes that regulate the passage of biological molecules. Additionally, the cell membrane defines a cell’s shape and interactions with the external environment. Eukaryotic cell membranes also serve to compartmentalize the internal space into organelles, including the endomembrane structures of the nucleus, endoplasmic reticulum and...
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Related Experiment Video

Updated: Dec 14, 2025

Proof-of-Concept for Gas-Entrapping Membranes Derived from Water-Loving SiO2/Si/SiO2 Wafers for Green Desalination
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Liquid-based porous membranes.

Zhizhi Sheng1, Jian Zhang, Jing Liu

  • 1State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China. houx@xmu.edu.cn.

Chemical Society Reviews
|July 25, 2020
PubMed
Summary
This summary is machine-generated.

Liquid-based porous membranes offer advanced properties like self-healing and antifouling, overcoming limitations of traditional membranes. This review clarifies their mechanisms and applications for broader scientific understanding.

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Interfacial Chemistry

Background:

  • Porous membranes are vital in separation, water treatment, and energy, but face selectivity, permeability, and fouling challenges.
  • Traditional membranes struggle with adaptability in aggressive environments, limiting their versatile applications.
  • Liquid-based porous membranes emerge as a promising alternative, offering enhanced diffusive, dynamic, antifouling, and adaptive properties.

Purpose of the Study:

  • To provide a comprehensive review and unifying perspective on liquid-based porous membranes.
  • To address confusions surrounding various liquid-based porous membranes and their potential applications.
  • To elucidate the fundamental aspects, including interfacial behavior, materials design, and transport mechanisms.

Main Methods:

  • Review of historical timeline and state-of-the-art progress in liquid-based porous membranes.
  • Analysis of interfacial behavior, materials chemistry, and design principles.
  • Examination of mass transport and fluid behavior within these membranes.

Main Results:

  • Liquid-based porous membranes demonstrate significant advantages over traditional ones, including antifouling and self-healing capabilities.
  • Understanding interfacial behavior and chemical compatibility is crucial for optimizing performance.
  • Varied transport mechanisms are identified, enabling diverse applications.

Conclusions:

  • Liquid-based porous membranes present a significant advancement, overcoming limitations of conventional porous membranes.
  • This review clarifies complexities, promoting wider adoption in areas like gas separation and chemical detection.
  • Further research in interfacial and material chemistry, fluid mechanics, and engineering is inspired.