Simple high-performance liquid chromatography method for formaldehyde determination in human tissue through
Bilal Yilmaz1, Ali Asci2, Kaan Kucukoglu3
1Department of Analytical Chemistry, Faculty of Pharmacy, Ataturk University, Erzurum, Turkey.
Journal of Separation Science
|June 14, 2016
Summary
A new high-performance liquid chromatography method accurately measures formaldehyde in human tissue. This validated assay provides reliable quantification for clinical and research applications.
Area of Science:
- Analytical Chemistry
- Biochemistry
Background:
- Formaldehyde is a ubiquitous compound with significant toxicological implications.
- Accurate quantification of formaldehyde in biological matrices is crucial for research and clinical diagnostics.
Purpose of the Study:
- To develop and validate a simple, high-performance liquid chromatography (HPLC) method for determining formaldehyde in human tissue.
- To assess the method's accuracy, precision, and sensitivity for formaldehyde analysis.
Main Methods:
- Formaldehyde derivatization using 2,4-dinitrophenylhydrazine.
- Liquid-liquid extraction of derivatized formaldehyde from human tissue using ethyl acetate.
- Analysis of formaldehyde by high-performance liquid chromatography.
Main Results:
- The HPLC method demonstrated linearity over a concentration range of 5.0-200 μg/mL.
- Intra- and interday precision were <6.9%, with accuracy better than 6.5% relative error.
- Extraction recoveries ranged from 88-98%, with limits of detection and quantification at 1.5 and 5.0 μg/mL, respectively.
Conclusions:
- A robust and sensitive HPLC method for formaldehyde determination in human tissue has been established.
- The assay is suitable for application in biological samples, including liver biopsy material.
