Paper Spray for Direct Analysis of Complex Mixtures Using Mass Spectrometry

Complex mixtures can be ionized directly from paper for quantitative mass spectrometric analysis of trace components. Prior separations are an option. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.