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Capillary Electrophoresis: Part I. Theoretical and Experimental Background
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Abstract
Separation is the cornerstone of many areas of chemistry. Quite often, the goal of a chemical experiment is to isolate and analyze a particular compound. Capillary electrophoresis (CE is emerging as a powerful separation tool.
Separation in CE is based on differences in solute mobilities when a strong electric field is applied across a separation buffer solution. Compared to conventional liquid chromatographic methods, CE offers advantages of high efficiency, short analysis time, simple apparatus, small sample and separation buffer volumes, and ease in changing the separation buffer. Additionally, selectivity in CE separations can be easily altered through the use of different buffer additives.
Keywords (Audience):
Upper-Division UndergraduateKeywords (Domain):
Analytical ChemistryKeywords (Feature):
Topics in Chemical InstrumentationKeywords (Subject):
Laboratory Equipment / ApparatusCiting Articles
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This article has been cited by 10 ACS Journal articles (5 most recent appear below).
Capillary Electrophoresis: Focus on Undergraduate Laboratory Experiments
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Lisa A. HollandJournal of Chemical Education2011 88 (3), 254-256Capillary electrophoresis is a versatile technique well suited to teach concepts that are fundamental to a chemistry degree program. The applicability of capillary electrophoresis to metabolites, DNA, proteins, pharmaceutical compounds, environmental ...
A Theoretical Analysis of the Influence of Electroosmosis on the Effective Ionic Mobility in Capillary Zone Electrophoresis
Hens HijnenJournal of Chemical Education2009 86 (7), 869A Theoretical Analysis of the Influence of Electroosmosis on the Effective Ionic Mobility in Capillary Zone Electrophoresis
Hens HijnenJournal of Chemical Education2009 86 (7), 869A theoretical description of the influence of electroosmosis on the effective mobility of simple ions in capillary zone electrophoresis is presented. The mathematical equations derived from the space-charge model contain the pKa value and the density of ...
Presentation and Impact of Experimental Techniques in Chemistry
Zbigniew Sojka , Michel CheJournal of Chemical Education2008 85 (7), 934Presentation and Impact of Experimental Techniques in Chemistry
Zbigniew Sojka , Michel CheJournal of Chemical Education2008 85 (7), 934Laboratory and practical courses, where students become familiar with experimental techniques and learn to interpret data and relate them to appropriate theory, play a vital role in chemical education. In the large panoply of currently available ...
Weak Acid pKa Determination Using Capillary Zone Electrophoresis
Mike SolowJournal of Chemical Education2006 83 (8), 1194Weak Acid pKa Determination Using Capillary Zone Electrophoresis
Mike SolowJournal of Chemical Education2006 83 (8), 1194This article describes a general chemistry experiment designed to measure the pKa of benzoic acid using capillary zone electrophoresis. Despite the fact that modern biology relies so heavily on this analytical technique, students get very little ...
Capillary Electrophoresis Analysis of Cations in Water Samples. An Experiment for the Introductory Laboratory
Christopher J. Pursell , Bert Chandler and Michelle M. BusheyJournal of Chemical Education2004 81 (12), 1783Capillary Electrophoresis Analysis of Cations in Water Samples. An Experiment for the Introductory Laboratory
Christopher J. Pursell , Bert Chandler and Michelle M. BusheyJournal of Chemical Education2004 81 (12), 1783Capillary electrophoresis is gradually working its way into the undergraduate laboratory curriculum. Typically, experiments utilizing this newer technology have been introduced into analytical or instrumental courses. We have introduced an experiment into ...
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- Received: August 03, 2009
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