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chromatography

(redirected from gel-permeation chromatography)
   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
chro·ma·tog·ra·phy  (krm-tgr-f)
n.
Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia.

chroma·togra·pher n.

chromatography (ˌkrəʊməˈtɒɡrəfɪ)
n
1. (Chemistry) the technique of separating and analysing the components of a mixture of liquids or gases by selective adsorption in, for example, a column of powder (column chromatography) or on a strip of paper (paper chromatography). See also gas chromatography
ˌchromaˈtographer n chromatographic adj ˌchromatoˈgraphically adv
chro•ma•tog•ra•phy (ˌkroʊ məˈtɒg rə fi)

n.
a technique for identifying the components of chemical mixtures separated by preferential adsorption on an adsorbent medium, as a column of silica, a strip of filter paper, or a gel.
[1935–40; < German Chromatographie (1906); see chromato-, -graphy]
chro`ma•tog′ra•pher, n.
chro•mat•o•graph•ic (krəˌmæt əˈgræf ɪk) adj.
chro`ma•to•graph′i•cal•ly, adv.

chromatography  (krm-tgr-f)
A technique used to separate the components of a chemical mixture by moving the mixture along a stationary material, such as gelatin. Different components of the mixture are caught by the material at different rates and form isolated bands that can then be analyzed.
Thesaurus Legend:  Synonyms Related Words Antonyms
Noun1.chromatography - a process used for separating mixtures by virtue of differences in absorbency
column chromatography - chromatography that uses selective adsorption by a column of powders
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
paper chromatography - chromatography that uses selective adsorption on a strip of paper
Translations
chromatography [ˌkrəʊməˈtɒgrəfɪ] Ncromatografía f
chromatography [ˌkrəʊməˈtɒgrəfɪ] n (Chem) → cromatografia


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The instrumentation for HPLC and size exclusion (SEC) or gel-permeation chromatography (GPC) is similar, but the columns differ.
Before high-pressure liquid gel-permeation chromatography (HPLGPC) [4] the specimen was treated with n-butanol (300 mL/L) to dissociate lipid- or membrane-bound enzymes.
brought out a dedicated high-temperature gel-permeation chromatography (GPC) system that uses a high-sensitivity i-r detector for analyzing a wide range of polymer molecular weights.
 
 
 
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