Factors affecting the levels reported for vanadium in human serum.

Area of Science:

• Analytical Chemistry
• Biochemistry
• Chemometrics

Background:

• Trace element determination in biological samples is crucial for health assessment.
• Previous studies on vanadium in human serum varied widely, necessitating a critical evaluation.

Purpose of the Study:

• To apply chemometric techniques to analyze published data on vanadium determination in human serum.
• To identify key factors influencing analytical results and establish reliable vanadium concentration ranges.

Main Methods:

• Chemometric analysis of 28 publications (1971-1988) reporting vanadium levels in human serum or plasma.
• Evaluation of analytical methods and laboratory experience as critical factors.
• Comparison with subsequent radiochemical neutron activation analysis results.

Main Results:

• Analytical method choice and laboratory experience were the most significant factors affecting vanadium determination.
• Highly experienced laboratories using optimal methods yielded precise data.
• Indicated vanadium concentration in normal human serum is less than 1 mg/m3.
• Results align with subsequent radiochemical neutron activation analysis.

Conclusions:

• Chemometrics is effective for extracting analytical insights from diverse publications.
• Laboratory expertise and analytical method selection are paramount for accurate trace element analysis.
• The established vanadium concentration in human serum provides a reliable benchmark.