4.8 Article

Chip-Based Free-Flow Electrophoresis with Integrated Nanospray Mass-Spectrometry

Journal

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 9, Pages 2766-2770

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201409663

Keywords

cycloaddition; continuous micro flow-through; electrophoresis; mass spectrometry; microfluidics

Funding

  1. LIFE-Leipzig Research Center for Civilization Diseases, Universitat Leipzig
  2. European Social Fund
  3. Free State of Saxony

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Free-flow electrophoresis is an ideal tool for preparative separations in continuous microflow. With the approach presented herein for coupling free-flow electrophoresis and mass spectrometry it is now also possible to trace non-fluorescent compounds and identify them by means of mass spectrometry. The functionality of the method and its potential as an integrated separation unit for microflow synthesis is demonstrated by application to a multicomponent [3+2]-cycloannulation.

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