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Related Concept Videos

Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

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,...
Electrophoresis: Overview01:20

Electrophoresis: Overview

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...
Capillary Electrophoresis: Instrumentation01:20

Capillary Electrophoresis: Instrumentation

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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Related Experiment Video

Updated: Jun 28, 2026

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis
14:53

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis

Published on: September 10, 2014

Microchip-based electrochromatography: designs and applications.

Martin Pumera1

  • 1Department of Chemistry, Universitat Autonoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain.

Talanta
|October 31, 2008
PubMed
Summary
This summary is machine-generated.

This review covers advanced electrochromatography techniques on lab-on-a-chip devices, including open-channel, packed-channel, and monolith-based methods. These innovations enhance separation efficiency for diverse analytical applications.

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Amplification of Escherichia coli in a Continuous-Flow-PCR Microfluidic Chip and Its Detection with a Capillary Electrophoresis System
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A Microfluidic Chip for ICPMS Sample Introduction
11:16

A Microfluidic Chip for ICPMS Sample Introduction

Published on: March 5, 2015

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Last Updated: Jun 28, 2026

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis
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A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis

Published on: September 10, 2014

Amplification of Escherichia coli in a Continuous-Flow-PCR Microfluidic Chip and Its Detection with a Capillary Electrophoresis System
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Amplification of Escherichia coli in a Continuous-Flow-PCR Microfluidic Chip and Its Detection with a Capillary Electrophoresis System

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A Microfluidic Chip for ICPMS Sample Introduction
11:16

A Microfluidic Chip for ICPMS Sample Introduction

Published on: March 5, 2015

Area of Science:

  • Analytical Chemistry
  • Microfluidics
  • Separation Science

Background:

  • Lab-on-a-chip (LOC) devices integrate multiple laboratory functions onto a single chip.
  • Electrochromatography (EC) offers high-efficiency separations within microfluidic systems.
  • Advancements in stationary phases and fabrication are crucial for LOC EC performance.

Purpose of the Study:

  • To review current electrochromatography techniques on lab-on-a-chip devices.
  • To highlight novel materials and fabrication methods for microchip electrochromatography.
  • To discuss challenges and applications of microchip electrochromatography.

Main Methods:

  • Open-channel microchip electrochromatography with C(8), C(18), and gold nanoparticle (GNP) coatings.
  • Packed-channel microchip electrochromatography with automated bead loading/unloading.
  • Monolith-based microchip electrochromatography using tailored stationary phases and photolithography.

Main Results:

  • Discussion of specific challenges like microchannel aspect ratio and wall effects.
  • Demonstration of various stationary phase coatings and fabrication techniques.
  • Summary of operational parameters for reviewed microsystems in tables.

Conclusions:

  • Microchip electrochromatography offers versatile platforms for various analytical tasks.
  • Novel coatings, packing methods, and monolithic structures improve separation efficiency.
  • Applications span environmental, pharmacological, genomic, and proteomic analyses.