concentration gradient


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.
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 ?
The molecules of water flow along the surface according to the concentration gradient, but they don't get to the surface necessarily because of a concentration gradient.
There are two key factors: the binding forces between the water and plastic molecules and the vapour pressure differential between the pressure at the surface of the plastic and the partial pressure of water vapour in the air; this is also called a concentration gradient.
These migrate, following the local concentration gradient from the rubber matrix to the surface, and cover the same with a possible monomolecular layer.
Next we mix the 95% ethanol into it till its constant volume by shaking evenly and then use the 95% methanol to dilute it into the concentration gradient with ten different grades 100, 50, 25, 12.
Package 3 - strips bearing a concentration gradient of an antibiotic for the determination of MIC values and for detecting resistance phenotypes.
5nm is only 50 angstroms, meaning readily homebrewed chlorine gas could probably float right in through those pores on the concentration gradient alone.
This could be as a result of the concentration gradient established between Ni (II) ion and the biomass surface charges due to precipitation.
39; and transtubular potassium concentration gradient (TTKG), 2.
Using the pressure gradient and concentration gradient of the log allows the dye solution to permeate and diffuse into the log uniformly.
The etching rate at the top of the meniscus is much lower than that at the bottom because of the concentration gradient of the OH- which is consumed in the etching reaction.
For a prismatic medium of cross-sectional area A, Ficks's law states that the total ion flow rate, Q, is related to concentration gradient, [partial derivative]c/[partial derivative]x, as follows:
Differential diagnosis of ascitic fluid: Evaluation and comparison of various biochemical criteria with a special reference to serum ascites albumin concentration gradient and its relation to portal pressure.

Full browser ?