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Proceedings Paper

Flow-assisted collection of DNA molecules on silica beads
Author(s): N. Korneev; R. Ramos-García; J. C. Ramirez-San-Juan; E. Rodriguez-Aboytes; M. Cárdenas-García
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Paper Abstract

We demonstrate the possibility to collect DNA molecules from solution on beads trapped by a focused laser beam close to the cell bottom. The combined action of laser-induced flow and laser pressure keeps the bead in place while the flow deposits the DNA. We show that the combined action of walls and volume absorption can control the direction and magnitude of the induced convention flow. We report trapping of viral bacterial DNA on micrometer size beads with laser power in the mW range.

Paper Details

Date Published: 5 September 2007
PDF: 4 pages
Proc. SPIE 6644, Optical Trapping and Optical Micromanipulation IV, 664427 (5 September 2007); doi: 10.1117/12.731802
Show Author Affiliations
N. Korneev, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
R. Ramos-García, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
J. C. Ramirez-San-Juan, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
E. Rodriguez-Aboytes, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
M. Cárdenas-García, BUAP (Mexico)


Published in SPIE Proceedings Vol. 6644:
Optical Trapping and Optical Micromanipulation IV
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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