ChemPhysChem

Cover image for Vol. 15 Issue 13

Editor: Greta Heydenrych; Editorial Board Chairs: Christian Amatore, Michael Grätzel, Michel Orrit

Online ISSN: 1439-7641

Associated Title(s): Advanced Materials, ChemBioChem, ChemCatChem, ChemElectroChem, ChemSusChem, Small

8_12/2007Cover Picture: Single DNA Molecule Isolation and Trapping in a Microfluidic Device (ChemPhysChem 12/2007)

The cover picture shows a single DNA molecule trapped between floating aluminium electrodes by means of alternating current dielectrophoresis. The image was obtained by fluorescence microscopy using double-stranded lambda-phage DNA labelled with the YOYO-1 fluorescent dye. In their Article on page 1875 Kumemura et al. describe a method enabling the isolation and trapping of single DNA molecules in a microfluidic chip by using consecutively direct current electrophoresis and alternating current dielectrophoresis.

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