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  • granular
  • The active component of the column, the adsorbent, is typically a granular material made of solid particles (e.g. silica, polymers, etc.), 2-50 μm in size. (wikipedia.org)
  • particle size
  • R&D in the field is driven by the realization that when the particle size is reduced to the point where critical length scales of physical phenomena become comparable to or larger than the particle size, the fundamental characteristics of these particles are very different from those of bulk materials. (mrs.org)
  • Unlike
  • Unlike the lower concentrations where the arrangement of clay particles was continually in flux, the particles above 1% concentration locked into a stable structure which is known as equilbrium gel. (wikipedia.org)
  • proteins
  • The peptide was selected as representing the portion of the CEA molecule that is the most characteristic of it, i.e. presenting the least homology with other CEA-like proteins. (thefreelibrary.com)
  • high-performance
  • It was in the fifties and sixties that theoretical models were developed for IC for further understanding and it was not until the seventies that continuous detectors were utilized, paving the path for the development from low-pressure to high-performance chromatography. (wikipedia.org)
  • Concentration
  • 18. Indication of Nitroester Concentration in Air by Use of Gas Chromatography. (bookdepository.com)
  • The ligand-binding assay methodology quantified the concentration of the hormone in the test material by comparing the effects of the test sample to the results of varying amounts of known protein (ligand). (wikipedia.org)
  • vitamin
  • In view of these findings of Tanaka et al it would appear that the vitamin D derivative of the present invention, because of the fluorine substituents at C-23 would not be readily hydroxylated at that carbon and that, therefore, it would be characterized by prolonged vitamin D-like activity--a characteristic which would be an obvious advantage in many therapeutic applications. (freepatentsonline.com)
  • Analysis
  • 19. The Instrumental Analysis of Intact and Post Blast Water Gel and Emulsion Explosives. (bookdepository.com)
  • Preparative chromatography is used to purify sufficient quantities of a substance for further use, rather than analysis. (wikipedia.org)
  • According to historical analysis of L. S. Ettre, however, Runge's work had "nothing to do with chromatography" (and instead should be considered a precursor of chemical spot tests such as the Schiff test). (wikipedia.org)