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Published on: September 21, 2011
Automated quantitative microcolumn chromatography of haemoglobin A2
R S Ersser1, L Blight, N M Hjelm
1Department of Clinical Biochemistry, Hospitals for Sick Children, London, UK.
Biomedical Chromatography : BMC
|September 1, 1991
Summary
Automated microcolumn chromatography offers precise analysis of haemoglobin A2 for beta-thalassaemia heterozygote screening. This method provides reliable quantitative data, comparable to established techniques.
Area of Science:
- Biochemistry
- Clinical Chemistry
- Hematology
Background:
- Beta-thalassaemia is a genetic blood disorder.
- Accurate quantification of haemoglobin A2 is crucial for diagnosing beta-thalassaemia trait.
- Established methods for haemoglobin A2 analysis can be time-consuming or require specialized equipment.
Purpose of the Study:
- To adapt automated cation exchange microcolumn chromatography for precise haemoglobin A2 quantification.
- To evaluate the suitability of this modified method for identifying beta-thalassaemia heterozygotes.
- To compare the performance of the new method against a standard electrophoresis technique.
Main Methods:
- Modification of automated cation exchange microcolumn chromatography.
- Analysis of haemoglobin A2 using the adapted chromatographic method.
- Comparison of results with electrophoresis followed by densitometry.
Main Results:
- The modified microcolumn chromatography method provides precise and specific quantitative data for haemoglobin A2.
- The results obtained are comparable to those from the established electrophoresis and densitometry method.
- The method is suitable for investigating potential beta-thalassaemia heterozygotes.
Conclusions:
- Automated cation exchange microcolumn chromatography is a validated and effective method for haemoglobin A2 analysis.
- This technique offers a reliable tool for the clinical investigation of beta-thalassaemia trait.
- The precision and specificity make it valuable for genetic screening programs.

