Journal
ANALYTICA CHIMICA ACTA
Volume 556, Issue 1, Pages 97-103Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2005.06.065
Keywords
photophoresis; optical force chromatography; molecule optics; molecule prism
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A photon as a particle has an energy and a momentum. In a matter-photon interaction, the matter and photons may exchange their momenta observing the momentum conservation law. The consequence of the momentum transfer from a photon to a matter particle is a mechanical force exerted on the particle. Several separation methods based on this force of light are reviewed. Photophoresis separations for micron-sized particles and optical force chromatography for chemical-sized molecules are discussed. (c) 2005 Elsevier B.V. All rights reserved.
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