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In high-resolution tandem mass spectrometry such as Q-Exactive Orbitrap and Q-TOF, full scan/ddMS2 is commonly used. In this mode, a full scan is first acquired, followed by fragmentation of top N...
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In the analysis of micropollutants from environmental samples, surrogates are often used to monitor recoveries in extraction and cleanup. These surrogates are often isotope labelled analytes. For...
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