Controlled rotation of biological micro- and nano-particles in microvortices.
basic_science · Level V
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- Record sourced from PubMed, PMID 15159772.
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Abstract
Micrometer-sized re-circulating flows generated in a microfluidic system are used to drive the controlled rotation of biological particles of both micro- and nano-meter scale dimensions. This technique is independent of the intrinsic nature of the particle, and possesses the potential to rotate particles at high rates. We demonstrate in such microvortices the orientation control of single DNA molecules, and the axial rotation of biological cells in which the cellular contents were visibly affected by rotation.
Medical subject headings
- Microfluidic Analytical Techniques
- Nanostructures
- Rotation