| 单词 |
gel filtration |
| 释义 |
gel filtration
gel filtration[¦jel fil′trā·shən] (analytical chemistry) A type of column chromatography which separates molecules on the basis of size; higher-molecular-weight substances pass through the column first. Also known as molecular exclusion chromatography; molecular sieve chromatography. gel filtration
gel fil·tra·tionseparation of molecular sizes by passage of a mixture through columns of beads of cross-linked dextrans or similar relatively inert material of a well-defined pore size range; the larger the molecule, the less time it spends in the interior of the beads, thus emerging earlier from the column than smaller molecules.gel fil·tra·tion (jel fil-trāshŭn) Separation of molecular sizes by passage of a mixture through columns of beads of cross-linked dextrans or similar relatively inert material of a well-defined pore size range. AcronymsSeeGF |
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