Electroosmotic flow for liquid chromatography and zone electrophoresis.
نویسندگان
چکیده
منابع مشابه
Electroosmotic flow control and surface conductance in capillary zone electrophoresis.
Electroosmotic flow within capillary zone electrophoresis can be altered electronically through a mechanism modeled as surface conductance. Experimentally, a small zone of conductive silver on the outer surface of the capillary is shown to permit good control of electroosmotic flow with an applied external voltage. This control is modeled as capacitance across the capillary wall and conductance...
متن کاملElectroosmotic flow control and monitoring with an applied radial voltage for capillary zone electrophoresis.
The control of electroosmotic flow by electronic means for capillary zone electrophoresis is presented. This is accomplished by the application of a radial voltage field with a rugged and flexible conductive polymer sheath. Fundamental theory for effect of the applied radial voltage on electroosmotic flow is developed. In addition, the effects of surface pretreatments are examined and compared ...
متن کاملMesoscopic simulations of electroosmotic flow and electrophoresis in nanochannels
We present dissipative particle (DPD) simulations of electrolyte flow in nanochannels for varying salt concentration and surface slip conditions. First, a method is presented by which the slip length δ Β at the channel boundaries can be tuned systematically from negative to infinity by introducing suitable wall-fluid friction forces. Using this method, we study electroosmotic flow (EOF) in nano...
متن کاملHeroin: Liquid Chromatography and Capillary Electrophoresis
Frey HP and Zieloff K (1992) Qualitative und quantitative Du( nschicht-Chromatographie. Weinheim: VCH. Fried B and Sherma J (eds) (1996) Practical Thin Layer Chromatography: A Multidisciplinary Approach. Boca Raton, FL: CRC Press. Jork H, Funk W, Fischer W and Wimmer H (1990) Thin Layer Chromatography, vol. 1a. Physical and Chemical Detection Methods. Weinheim: VCH. Jork H, Funk W, Fischer W an...
متن کاملEffects of buffer pH on electroosmotic flow control by an applied radial voltage for capillary zone electrophoresis.
Electroosmotic flow has been shown to be controlled via an applied radial voltage. Many factors determine the effectiveness of this control, and one major factor is buffer pH. In this study the effectiveness of the applied radial voltage for controlling electroosmotic flow while varying buffer pH is examined. Previously developed theory is applied and compared to experimental results for a pH r...
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ژورنال
عنوان ژورنال: NIPPON KAGAKU KAISHI
سال: 1986
ISSN: 2185-0925,0369-4577
DOI: 10.1246/nikkashi.1986.937