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The aluminum content in some patch test allergens
1Faculty of Pharmacy, Department of Toxicology, Hacettepe University, Ankara, Turkey.
Biological Trace Element Research
|December 9, 1998
Summary
Aluminum (Al) was detected in patch test allergens, potentially impacting diagnostic accuracy. This study measured Al content in common allergens, revealing variable amounts that may affect patient evaluations.
Area of Science:
- Analytical Chemistry
- Dermatology
- Toxicology
Background:
- Patch testing is a standard diagnostic tool in dermatology.
- Allergens used in patch tests are intended for diagnostic purposes.
- The presence of contaminants in diagnostic preparations can affect results.
Purpose of the Study:
- To quantify the aluminum (Al) content in 18 common patch test allergens.
- To assess the potential impact of Al contamination on patch test accuracy.
Main Methods:
- Electrothermal atomic absorption spectrophotometry was employed for Al quantification.
- Analysis was performed on 18 commercially available patch test allergen preparations.
Main Results:
- Aluminum (Al) was detected in all 18 patch test allergen preparations analyzed.
- The measured Al content varied significantly among the different allergen preparations.
Conclusions:
- The presence of aluminum (Al) in patch test allergens is confirmed.
- Variable Al contamination may interfere with the accurate diagnosis and evaluation of patients undergoing patch testing.
- Further investigation into allergen purification and standardization is warranted.