Jaewon Choi

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Fast and Accurate Identification of Pesticides by Direct Analysis in Real Time (DART) Ionization with Orbitrap Mass Spectrometry

Thermo Fisher Scientific;Jennifer Massi;Jaewon Choi;Mari Prieto Conaway
March 24th 2016

A method incorporating direct analysis in real time (DART) ionization and Thermo Scientific™ Orbitrap™ high-resolution mass spectrometry for rapid analysis and identification of contaminating substances in water.

Fast and Accurate Determination of Algal Toxins in Water Using On-line Preconcentration and UHPLC–HRAM–MS

Fast and Accurate Determination of Algal Toxins in Water Using On-line Preconcentration and UHPLC–HRAM–MS

Jonathan Beck;Je-Heon Jang;Jennifer Massi;Jaewon Choi
October 6th 2014

The development of a column-switching technique based on on-line preconcentration and HRAM–MS to obtain fast and accurate results for the determination of algal toxins in drinking water is discussed.

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