David Maxa

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David Maxa is a master’s student in the Department of Food Analysis and Nutrition, UCT Prague. His research topic is on the analysis of chlorinated paraffins employing liquid chromatography‑based techniques.

Articles

High performance liquid chromatography (HPLC) is a technique in analytical chemistry used to separate, identify, and quantify each component in a mixture | Image Credit: © Love Employee - stock.adobe.com

Application of Liquid- and Supercritical Fluid Chromatography Coupled with High-Resolution Mass Spectrometry for the Analysis of Short-, Medium-, and Long-Chain Chlorinated Paraffins in Dietary Supplements

Jakub Tomasko;David Maxa;Klara Navratilova;Tomas Kourimsky;Vojtech Hrbek;Jana Hajslova;Jana Pulkrabova

October 1st 2023

Scientists used supercritical fluid chromatography (SFC) and ultrahigh-pressure liquid chromatography (UHPLC)—both coupled with high-resolution mass spectrometry (HRMS)—to analyze various types of chlorinated paraffins (CPs) in fish oil-based dietary supplements.

Application of Liquid- and SFC Coupled with HRMS for the Analysis of Short-, Medium-, and Long-Chain Chlorinated Paraffins in Dietary Supplements

Jakub Tomasko;David Maxa;Klara Navratilova;Tomas Kourimsky;Vojtech Hrbek;Jana Hajslova;Jana Pulkrabova

October 1st 2022

This article presents SFC and UHPLC—both coupled with HRMS—methods for the analysis of short-, medium-, and long-chain CPs in fish oil-based dietary supplements.

Application of Liquid- and Supercritical Fluid Chromatography Coupled with High-Resolution Mass Spectrometry for the Analysis of Short-, Medium-, and Long-Chain Chlorinated Paraffins in Dietary Supplements

Jakub Tomasko;David Maxa;Klara Navratilova;Tomas Kourimsky;Vojtech Hrbek;Jana Hajslova

July 1st 2022

In this study, SFC and UHPLC—both coupled with HRMS—methods for the analysis of short-, medium-, and long-chain CPs in fish oil-based dietary supplements were developed and validated at concentration levels of 0.6 and 3.0 µg/g lipid weight (lw).