Chiral separation in microflows

Details Chiral separation in microflows Chiral separation in microflows

2005-06-03

arxiv.org/abs/cond-mat/0506084v2

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1103/PhysRevLett.96.014502

Molecules that only differ by their chirality, so called enantiomers, often possess different properties with respect to their biological function. Therefore, the separation of enantiomers presents a prominent challenge in molecular biology and belongs to the ``Holy Grail'' of organic chemistry. We suggest a new separation technique for chiral molecules that is based on the transport properties in a microfluidic flow with spatially variable vorticity. Because of their size the thermal fluctuating motion of the molecules must be taken into account. These fluctuations play a decisive role in the proposed separation mechanism.

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