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Related Concept Videos

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: 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,...
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: May 18, 2026

A Rapid and Chemical-free Hemoglobin Assay with Photothermal Angular Light Scattering
05:18

A Rapid and Chemical-free Hemoglobin Assay with Photothermal Angular Light Scattering

Published on: December 7, 2016

Newborn screening for hemoglobinopathies using capillary electrophoresis.

P C Giordano1

  • 1Human and Clinical Genetics Department, Leiden University Medical Center, Leiden, The Netherlands. p.c.giordano@lumc.nl

Methods in Molecular Biology (Clifton, N.J.)
|September 15, 2012
PubMed
Summary

This study details laboratory diagnostics for hemoglobin fractions, highlighting advanced automated methods like capillary electrophoresis (CE) for efficient newborn screening. CE offers a promising alternative for accurate hemoglobin analysis in clinical settings.

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Area of Science:

  • Clinical Laboratory Diagnostics
  • Biochemical Analysis
  • Newborn Screening

Background:

  • Basic laboratory diagnostics for hemoglobin fractions require expertise for accurate interpretation.
  • Established methods for hemoglobin analysis are well-documented but can be labor-intensive.
  • Advancements in automated systems offer improved efficiency and throughput.

Purpose of the Study:

  • To outline essential elements for understanding hemoglobin fraction diagnostics.
  • To introduce advanced automated methods, specifically capillary electrophoresis (CE), for hemoglobin analysis.
  • To detail the application of CE in newborn screening, using a specific system as an example.

Main Methods:

  • Separation and measurement of hemoglobin fractions.
  • High-performance liquid chromatography (HPLC) for high-throughput analysis.
  • Capillary electrophoresis (CE) systems, exemplified by Capillarys Neonat Hb, for automated newborn screening.

Main Results:

  • Automated systems like HPLC and CE enable high-throughput analysis in both adults and newborns.
  • CE is presented as an upcoming alternative for newborn screening.
  • The chapter details the method, interpretation, objectives, follow-up, advantages, and pitfalls of CE-based newborn screening.

Conclusions:

  • Understanding basic hemoglobin diagnostics is crucial for accurate laboratory results.
  • Automated techniques, particularly CE, are transforming hemoglobin analysis and newborn screening.
  • CE offers a viable and efficient alternative for neonatal hemoglobinopathy detection.