Paracetamol is the most widely used analgesic drug in the world. However, the risk and the severity of poisoning with this medication are often underestimated. A simple and cost-effective method for screening paracetamol poisoning by using thin-layer chromatography (TLC) and a smartphone has been developed. Successful liquid‒liquid extraction of the drug from plasma was carried out. Then, samples were spotted on a TLC plate and eluted by a mobile phase of acetone‒hexane‒ammonia (4:5:0.1, V/V). JustTLC software was used to analyze and quantify paracetamol spots. The results of the analytical validation showed that our method is linear in the range of 80–180 µg/mL with a correlation coefficient of R 2 > 0.99. The precision, the accuracy, and the robustness of the method were also verified. The limits of detection and quantification were 8.79 and 26.65 µg/mL, respectively. The comparison with an enzyme immunoassay and high-performance liquid chromatography (HPLC) method was satisfactory. This methodology opens up new promising perspectives in toxicology laboratories.
CITATION STYLE
Ferchiou, R., Soussi, M. A., Ghedira, D., Ferchiou, D., Douki, W., & Najjar, M. F. (2023). Development and validation of a simple thin-layer chromatography–smartphone method for plasma paracetamol quantification. Journal of Planar Chromatography - Modern TLC, 36(4), 251–256. https://doi.org/10.1007/s00764-023-00247-y
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