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Related Concept Videos

Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

1.9K
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
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Electrophoresis: Overview01:20

Electrophoresis: Overview

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Electrophoresis is a powerful analytical separation technique that relies on the differential migration of charged species when subjected to an electric field. The core strength of electrophoresis lies in its ability to separate high-molecular-weight species in complex mixtures. It has found widespread use in biochemistry, molecular biology, and analytical chemistry, allowing the separation of compounds like amino acids, nucleotides, carbohydrates, and proteins with excellent resolution.
There...
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Capillary Electrophoresis: Instrumentation01:20

Capillary Electrophoresis: Instrumentation

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Capillary electrophoresis instrumentation typically consists of several key components. A high-voltage power supply generates the electric field necessary for the separation by connecting to an anode (the positively charged electrode) and a cathode (the negatively charged electrode) located in buffer reservoirs at each end of the capillary tube. The system includes a sample vial, a fused silica capillary tube coated with polyimide for mechanical strength through which the sample components...
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Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

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Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
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Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

2.1K
Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
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High-Performance Liquid Chromatography: Elution Process01:05

High-Performance Liquid Chromatography: Elution Process

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In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
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Related Experiment Video

Updated: May 4, 2026

Amplification of Escherichia coli in a Continuous-Flow-PCR Microfluidic Chip and Its Detection with a Capillary Electrophoresis System
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Recent advances in capillary electrophoretic migration techniques for pharmaceutical analysis.

Sami El Deeb1, Hermann Wätzig, Deia Abd El-Hady

  • 1Drug Analysis and Research Center, Department of Pharmaceutical Chemistry, Al-Azhar University - Gaza, Gaza, Palestine; Institute of Medicinal and Pharmaceutical Chemistry, TU Braunschweig, Braunschweig, Germany.

Electrophoresis
|January 8, 2014
PubMed
Summary

Capillary electrophoresis (CE) techniques offer powerful methods for pharmaceutical analysis, impacting both small molecules and proteins. This review details recent advances and diverse applications of CE in drug development and quality control.

Keywords:
BiopharmaceuticalsCEPharmaceutical analysisQuantitation

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Area of Science:

  • Analytical Chemistry
  • Pharmaceutical Sciences

Background:

  • Capillary electrophoresis (CE) has been utilized for approximately 30 years.
  • CE techniques have significantly impacted pharmaceutical analysis.

Purpose of the Study:

  • To review recent advances and applications of CE in pharmaceutical analysis.
  • To cover the analysis of both small molecules and biomolecules, including proteins.

Main Methods:

  • Review of recent scientific literature on CE applications in pharmaceutical analysis.
  • Discussion of various analytical tasks, including drug substance determination, counterion analysis, and physicochemical parameter measurement.

Main Results:

  • CE is a versatile technique applicable to a wide range of pharmaceutical compounds.
  • Recent advances have expanded the scope and precision of CE methods in drug analysis.
  • Applications include quality control, impurity profiling, and characterization of drug substances.

Conclusions:

  • CE remains a vital and evolving technique for comprehensive pharmaceutical analysis.
  • The review highlights the broad utility and ongoing development of CE in the pharmaceutical industry.