Polymer coating of surfaces in column liquid chromatography and capillary electrophoresis
β Scribed by G. Schomburg
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 897 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0165-9936
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A new polymer, polymethacryloxypropylhydrosiloxane PMAHS , has been developed and used as both a deactivating layer and an intermediate layer for stable coating of an uncharged polymer on fused silica capillaries in capillary electrophoresis. The deactivation procedure is based on a siliconhydride d
## Abstract A simple method for the preparation of polymerβcoated fused silica capillary columns for electrophoresis is presented. It is shown that the static coating technique used in GC and SFC can be conveniently utilized for the preparation of highly efficient capillary electrophoresis columns.
## Abstract In aqueous capillary electrophoresis the electroosmotic flow (EOF) can be strongly suppressed or eliminated by coating the capillary surface silanols either by buffer additive adsorption or chemical modification. Hydrophilic coatings, __e.g.,__ polyvinyl alcohol (PVA) proved to be most