Related Experiment Videos
A sensitive and wide-scale enzyme-immunoassay for human transferrin
Z Samra1, T Lazarovich, D Sompolinsky
1Department of Microbiology, Assaf Harofeh Medical Center, Zerifin, Israel.
Journal of Clinical Chemistry and Clinical Biochemistry. Zeitschrift Fur Klinische Chemie Und Klinische Biochemie
|August 1, 1989
Summary
A new ELISA technique accurately measures human transferrin, offering a cost-effective and sensitive method. This assay is valuable for limited sample volumes, such as tear fluid analysis.
Area of Science:
- Biochemistry
- Immunology
Background:
- Transferrin is a crucial iron-transport protein in human serum.
- Accurate quantification of transferrin is important for diagnosing various medical conditions.
Purpose of the Study:
- To develop and validate a cost-effective Enzyme-Linked Immunosorbent Assay (ELISA) for human transferrin.
- To assess the assay's sensitivity, specificity, and reproducibility.
Main Methods:
- Development of a novel ELISA technique for human transferrin quantification.
- Validation of the ELISA against radial immunodiffusion.
- Assessment of assay sensitivity, specificity, and reproducibility.
Main Results:
- The developed ELISA demonstrated a low detection limit of 2 µg/L and a wide working range.
- High correlation (r=0.90) was observed between ELISA and radial immunodiffusion results.
- The cost per sample for the ELISA was significantly lower (7-8 times less) than commercial immunodiffusion methods.
Conclusions:
- The described ELISA is a sensitive, specific, and reproducible method for human transferrin measurement.
- This assay is particularly advantageous for analyzing small sample volumes, like tear fluid.
- Transferrin levels in cord blood are comparable to adult levels.