Abstract
AbstractThe present chapter gives an overview on the use of ambient ionization techniques in mass spectrometry for analyzing environmental- and food-related samples. Ambient ionization techniques discussed include among others direct analysis in real time, desorption electrospray ionization, and rapid evaporative ionization. Developments within the field displayed in the literature published since 2015 are discussed. Strategies for improving sensitivity and selectivity by implementing sample pre-treatment devices into the ambient ionization source are presented, as are approaches to improve the ability for reliable quantitative analysis and further advancement in instrument design. Relevant applications published over the last 5 years are summarized and discussed.KeywordsDesorption electrospray ionizationDirect analysis in real timeEnvironmental analysisFood analysis
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