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nature : the 20th century is the 1960s developed a fast and simple separation of biochemical analysis. The basic principle is mixed solute molecules according to their molecular weight of the difference in size, respectively outflow column has been isolated. Chromatographic separation of stationary phase (gel) is a non-charge, with three-dimensional space, the porous structure of the material, each of gel particles fine structure as a sieve, small molecules can enter gel mesh, and that the elements were in the exclusion gel particles, and therefore elements Screen nature, because the entire process is not normally chromatography transform eluate, like filtering, it was also called gel filtration chromatography, because of the use of the stationary phase for the gel, it is also known as the GPC (gel chromatography; gel filtration chromatography; GFC).
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