Effects of buffer composition on electroosmotic flow in capillary electrophoresis
Solute migration in capillary electrophoresis is the sum of the molecularly specific electrophoretic mobility and the electric‐field‐induced solvent flow (electroosmosis). This solvent flow is an important component of capillary electrophoresis and has been linked to resolution and automation aspect...
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| Veröffentlicht in: | The journal of microcolumn separations 1990-07, Vol.2 (4), p.176-180 |
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| container_title | The journal of microcolumn separations |
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| creator | VanOrman, Barbara B. Liversidge, Gary G. McIntire, Gregory L. Olefirowicz, Teresa M. Ewing, Andrew G. |
| description | Solute migration in capillary electrophoresis is the sum of the molecularly specific electrophoretic mobility and the electric‐field‐induced solvent flow (electroosmosis). This solvent flow is an important component of capillary electrophoresis and has been linked to resolution and automation aspects of this technique. This work demonstrates that equivalent electroosmotic flows can be achieved using different buffer types if the ionic strength is equal in the two systems. The effects of the addition of acetonitrile and several different alcohols on electroosmotic flow are also examined. The data suggest a unique surface effect of alcohols on the observed electroosmotic flow. |
| doi_str_mv | 10.1002/mcs.1220020404 |
| format | Article |
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This solvent flow is an important component of capillary electrophoresis and has been linked to resolution and automation aspects of this technique. This work demonstrates that equivalent electroosmotic flows can be achieved using different buffer types if the ionic strength is equal in the two systems. The effects of the addition of acetonitrile and several different alcohols on electroosmotic flow are also examined. 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Micro. Sep</addtitle><description>Solute migration in capillary electrophoresis is the sum of the molecularly specific electrophoretic mobility and the electric‐field‐induced solvent flow (electroosmosis). This solvent flow is an important component of capillary electrophoresis and has been linked to resolution and automation aspects of this technique. This work demonstrates that equivalent electroosmotic flows can be achieved using different buffer types if the ionic strength is equal in the two systems. The effects of the addition of acetonitrile and several different alcohols on electroosmotic flow are also examined. 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Micro. Sep</addtitle><date>1990-07</date><risdate>1990</risdate><volume>2</volume><issue>4</issue><spage>176</spage><epage>180</epage><pages>176-180</pages><issn>1040-7685</issn><eissn>1520-667X</eissn><abstract>Solute migration in capillary electrophoresis is the sum of the molecularly specific electrophoretic mobility and the electric‐field‐induced solvent flow (electroosmosis). This solvent flow is an important component of capillary electrophoresis and has been linked to resolution and automation aspects of this technique. This work demonstrates that equivalent electroosmotic flows can be achieved using different buffer types if the ionic strength is equal in the two systems. The effects of the addition of acetonitrile and several different alcohols on electroosmotic flow are also examined. The data suggest a unique surface effect of alcohols on the observed electroosmotic flow.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/mcs.1220020404</doi><tpages>5</tpages></addata></record> |
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| ispartof | The journal of microcolumn separations, 1990-07, Vol.2 (4), p.176-180 |
| issn | 1040-7685 1520-667X |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_mcs_1220020404 |
| source | Wiley Online Library All Journals |
| subjects | alcohol effects buffer effects capillary electrophoresis electroosmosis ionic strength |
| title | Effects of buffer composition on electroosmotic flow in capillary electrophoresis |
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