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GEL PERMEATION [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-06-23

English

Subject field(s)
  • Analytical Chemistry
  • Biological Sciences
  • Biotechnology
DEF

Chromatographic analysis in which the stationary phase consists of beads of porous polymeric material sold under the trade name Sephadex; the mobile phase is liquid.

CONT

Gel Filtration Chromatography. The gel filtration method is a relatively new fractionation procedure in liquid chromatography for the separation of molecules according to the differences in size and shape and can be considered a a kind of "molecular sieve. "This method has also been referred to in some publications as exclusion chromatography, restricted diffusion chromatography, restricted diffusion chromatography, gel chromatography and gel permeation chromatography, just to mention a few.

OBS

Gel permeation chromatography... is the preferred term for what has also been known variously as exclusion chromatography, gel chromatography and gel filtration.

OBS

"Gel chromatography" is an inclusive term to designate all forms of exclusion chromatography.

Key term(s)
  • SEC

French

Domaine(s)
  • Chimie analytique
  • Sciences biologiques
  • Biotechnologie
DEF

Analyse chromatographique dans laquelle la phase stationnaire est formée de perles de substance poreuse et la phase mobile est liquide.

OBS

La substance poreuse utilisée est connue commercialement sous l'appellation Sephadex.

Key term(s)
  • chromatographie de filtration de gel

Spanish

Campo(s) temático(s)
  • Química analítica
  • Ciencias biológicas
  • Biotecnología
DEF

Procedimiento cromatográfico que separa distintas sustancias en función de sus tamaños moleculares.

Save record 1

Record 2 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
DEF

[A] separation based mainly upon exclusion effects, such as differences in molecular size and/or shape ... or in charge ...

DEF

A form of liquid chromatography in which the separation of the sample components is based on the differences in the size and/or shape of the molecules or in the charge ...

OBS

"Gel chromatography", in which the stationary phase is either a swollen gel or a rigid three-dimensional silica or polymetric matrix, is the most widely used permeation technique.

French

Domaine(s)
  • Chimie analytique
DEF

[...] séparation [...] basée principalement sur les effets d'exclusion liés à la différence de taille et/ou de formes de molécules à séparer [...] ou de charge ionique [...]

Spanish

Save record 2

Record 3 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
DEF

A high-molecular substance which is used as the coloured marker to determine the interstitial volume.

CONT

Blue Dextran for gel permeation chromatography.

French

Domaine(s)
  • Chimie analytique
CONT

Elle a utilisé 3 types d'électrophorèses : l'électrophorèse de zone classique en gel de polyacrylamide avec du bleu Dextran incorporé dans le gel de concentration, entraînant un retardement de la migration des albumines suivant leur affinité pour le colorant.

Spanish

Save record 3

Record 4 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
DEF

In permeation [or gel] chromatography, the molecular-mass limit above which the investigated sample molecules are unable to penetrate into the molecular sieve or gel pores; the molecules’ migration velocity is equal to that of the mobile phase.

French

Domaine(s)
  • Chimie analytique

Spanish

Save record 4

Record 5 1995-12-28

English

Subject field(s)
  • Analytical Chemistry
  • Water Pollution
CONT

... chromatographic techniques such as absorption chromatography, gel permeation chromatography or high pressure liquid chromatography....

French

Domaine(s)
  • Chimie analytique
  • Pollution de l'eau
CONT

L'analyse directe ou après chromatographie d'absorption des eaux usées ou d'effluents industriels chargés en sulfures ne peut être effectuée avec des détecteurs à capture d'électrons.

Spanish

Save record 5

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