concentration gradient


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Related to concentration gradient: active transport, Facilitated diffusion

concentration gradient

n.
The graduated difference in concentration of a solute per unit distance through a solution.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.concentration gradient - a gradient in concentration of a solute as a function of distance through a solution; "the movement of a solute down its concentration gradient is called diffusion"
gradient - a graded change in the magnitude of some physical quantity or dimension
References in periodicals archive ?
These migrate, following the local concentration gradient from the rubber matrix to the surface, and cover the same with a possible monomolecular layer.
Using the pressure gradient and concentration gradient of the log allows the dye solution to permeate and diffuse into the log uniformly.
Novek developed a low grade waste heat recovery system that generates electricity by engineering a concentration gradient using carbon dioxide emissions and recycled ammonia in an Osmotic Heat Engine.
Salt is driven into cheese by the concentration gradient between the cheese blocks and brine; this gradient is much larger at the beginning of ripening [4].
Increasing the air temperature over a canopy increases the water vapor concentration gradient between the leaf internal space and the atmosphere.
The concentration gradient of salt developing around the growing crystallite can be seen as reverse osmotic pressure that hinders the growth rate of the crystallites.
2] efftux is determined by the concentration gradient between the soil and atmosphere.
Enterohepatic circulation of bile acids results in efficient reabsorption of bile acids, resulting in a concentration gradient between proximal small intestine and terminal ileum.
Sperm - in particular those of marine species - swim along convoluted paths in a chemical concentration gradient.
The theoretical background of the diffusion is based on an intuitive hypothesis: the driving energy that governs the mass transfer is related to the concentration gradient of molecules or atoms or ions in a diffusion medium, which can be simply the vacuum or a gas/liquid/solid phase.
This innate electrical signaling system regulates bodily functions from the cellular level by using the movement of ions with a small positive or negative electrical charge to create concentration gradient and consequently an electric potential gradient.
Such system becomes unstable when heated from below and generates solute concentration gradient known as the Soret effect, which is characterized by the separation parameter N, proportional to the thermodiffusion coefficient.

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