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Electrode-based AC electrokinetics of proteins

A mini-review
 
: Laux, E.-M.; Bier, F.-F.; Hölzel, R.

:

Bioelectrochemistry 120 (2018), S.76-82
ISSN: 0302-4598
ISSN: 1567-5394
ISSN: 1878-562X
Englisch
Zeitschriftenaufsatz
Fraunhofer IZI ()

Abstract
Employing electric phenomena for the spatial manipulation of bioparticles from whole cells down to dissolved molecules has become a useful tool in biotechnology and analytics. AC electrokinetic effects like dielectrophoresis and AC electroosmosis are increasingly used to concentrate, separate and immobilize DNA and proteins. With the advance of photolithographical micro- and nanofabrication methods, novel or improved bioanalytical applications benefit from concentrating analytes, signal enhancement and locally controlled immobilization by AC electrokinetic effects. In this review of AC electrokinetics of proteins, the respective studies are classified according to their different electrode geometries: individual electrode pairs, interdigitated electrodes, quadrupole electrodes, and 3D configurations of electrode arrays. Known advantages and disadvantages of each layout are discussed.

: http://publica.fraunhofer.de/dokumente/N-519795.html