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A microassay for protein glycation based on the periodate method
Analytical Biochemistry
|January 1, 1991
Summary
A new microplate reader method enhances the periodate assay for glycated proteins. This improved assay offers higher sensitivity and efficiency for analyzing protein-bound sugars in various samples.
Area of Science:
- Biochemistry
- Analytical Chemistry
Background:
- Glycation of proteins is a significant biomarker in various physiological and pathological conditions.
- Accurate quantification of glycated proteins is crucial for disease diagnosis and monitoring.
Purpose of the Study:
- To adapt the periodate assay for glycated protein analysis using a microplate reader.
- To enhance the sensitivity and efficiency of the existing assay.
Main Methods:
- Adaptation of the periodate assay for microplate reader compatibility.
- Optimization of assay conditions for increased sensitivity and yield.
- Assay of in vitro glycation of human serum albumin.
Main Results:
- The adapted assay allows reading up to 94 samples in 40 seconds.
- Sensitivity is improved, requiring only 2-40 nmol of protein-bound sugar per well.
- Yields exceed 90%, enabling analysis of small sample aliquots.
Conclusions:
- The microplate-adapted periodate assay provides a rapid, sensitive, and efficient method for quantifying glycated proteins.
- This method facilitates high-throughput analysis and research on protein glycation.