Nanotrapping and the thermodynamics of optical tweezers

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dc.creatorSinger, W.
dc.creatorNieminen, T. A.
dc.creatorHeckenberg, N. R.
dc.creatorRubinsztein-Dunlop, H.
dc.date2007-02-06
dc.date.accessioned2026-07-07T07:45:09Z
dc.date.available2026-07-07T07:45:09Z
dc.descriptionParticles that can be trapped in optical tweezers range from tens of microns down to tens of nanometres in size. Interestingly, this size range includes large macromolecules. We show experimentally, in agreement with theoretical expectations, that optical tweezers can be used to manipulate single molecules of polyethylene oxide suspended in water. The trapped molecules accumulate without aggregating, so this provides optical control of the concentration of macromolecules in solution. Apart from possible applications such as the micromanipulation of nanoparticles, nanoassembly, microchemistry, and the study of biological macromolecules, our results also provide insight into the thermodynamics of optical tweezers.
dc.description5 pages, 3 figures, presented at 17th AIP Congress, Brisbane, 2006
dc.identifierhttps://arxiv.org/abs/physics/0702047
dc.identifierhttp://arxiv.org/abs/physics/0702047
dc.identifierin R. Sang and J. Dobson (eds), Australian Institute of Physics (AIP) 17th National Congress 2006: Refereed Papers, (Australian Institute of Physics, 2006) [CD-ROM, unpaginated]
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/123441
dc.subjectOptics
dc.subjectClassical Physics
dc.titleNanotrapping and the thermodynamics of optical tweezers
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