Semipermeable

Semipermeable refers to a type of membrane that allows certain types of solvents or molecules to pass through it, while blocking others. This property is crucial in various biological and technological processes.

Overview

A semipermeable membrane, also known as a selectively permeable membrane or a differentially permeable membrane, is a type of membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion," along with various other types of passive transport and active transport.

Biological Importance

In living organisms, semipermeable membranes play a crucial role in the process of osmosis. Osmosis is the movement of water from an area of low solute concentration to an area of high solute concentration through a semipermeable membrane. This process is vital in maintaining homeostasis within cells and tissues.

Technological Applications

Semipermeable membranes are also used in technological applications such as reverse osmosis. Reverse osmosis is a water purification process that uses a semipermeable membrane to remove ions, unwanted molecules and larger particles from drinking water.

See Also

• Permeability (earth sciences)
• Membrane technology
• Osmosis
• Reverse osmosis

Semipermeable Resources
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