Patent
Electromigration injection from a microreservoir-electrode in capillary separation systems
TLDR
In this paper, a separation capillary with a first distal tip (30) and a second distal point (140) was used for electrophoresis of a microreservoir-electrode.Abstract:
A capillary electrophoresis system (10) comprising: a separation capillary (20) with a first distal tip (30) and a second distal tip (140); a source vessel (50) containing a solution (40); a microreservoir-electrode (59) comprising a wire loop; a power source (60) connected to the microreservoir-electrode by wire (57); a control system (200); a detector (90); and a final destination vessel (160) containing electrolyte (150) and a ground electrode (155).read more
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References
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Journal ArticleDOI
Charged Polyacrylamide Gels for Capillary Electrochromatographic Separations of Uncharged, Low Molecular Weight Compounds
TL;DR: The polyacrylamide gels described in this paper have the ability to separate uncharged substances of comparatively low molecular weight due to the built-in, negatively charged functional groups, which permits the development of electroosmotic flow under the influence of a high voltage, which makes possible capillary electrochromatographic separations of uncharged compounds.
Journal ArticleDOI
Measurement of Gases by a Suppressed Conductometric Capillary Electrophoresis Separation System
TL;DR: In this article, the authors describe the direct measurement of soluble ionogenic atmospheric gases by a suppressed conductometric capillary electrophoresis separation system (SuCCESS), where a small circular wire loop is incorporated at the sampling end of a fused silica capillary located immediately at the tip in the same plane as the capillary.
Journal ArticleDOI
Evaluation of an automtic siphonic sampler for capillary zone electrophoresis
TL;DR: An automatic sampler based on siphoning was devised and its capability for capillary zone eletrophoresis (CZE) was examined in this article, where the peak area of benzyl alcohol as a model compound introduced to a capillary tube was proportional to the sampling time.
Journal ArticleDOI
Micro vials on a silicon wafer for sample introduction in capillary electrophoresis
TL;DR: In this article, a multi-sample holder produced by photolithographic and anisotropic etching techniques on a monocrystalline silicon wafer is described, where well defined volumes are created by utilizing the crystal orientations of the silicon material.
Journal ArticleDOI
Electromigration injection from a small loop in capillary electrophoresis.
TL;DR: The present paper shows that there are remarkable advantages to be gained from forming a film of the sample solution on a wire loop and using the loop itself as the high-voltage electrode to perform electromigration from a very small sample volume.