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[Iron determination by carbon rod atomizer (author's transl)]
Blut
|September 15, 1978
Summary
This study presents a direct method for analyzing iron in proteins, effectively removing interfering matrices during ashing. Results were validated using standard addition, showing reliable iron quantification in various biological samples.
Area of Science:
- Biochemistry
- Analytical Chemistry
Context:
- Accurate quantification of iron in biological samples is crucial for understanding protein function.
- Existing methods for iron analysis in proteins can be complex and require extensive sample preparation.
Purpose:
- To develop and validate a direct method for iron analysis in proteins.
- To assess the method's applicability to different biological matrices.
Summary:
- A novel method allows direct iron analysis in proteins, with organic and inorganic matrices removed during ashing.
- Results were confirmed using the standard addition method and regression analysis.
- Relative standard deviations ranged from 4% to 20% depending on the biological material (Haemoglobin, Microsomes, Cytochrome P 450).
Impact:
- Provides a simplified and reliable approach for determining protein-bound iron.
- Facilitates research in iron metabolism and the role of iron in various biological processes.
- Applicable to diverse protein types and biological samples.