Abstract
We present a method for making polymer chips with a narrow-band near-infrared absorber layer that enables light-induced local heating of liquids inside fluidic micro- and nanochannels fabricated by thermal imprint in polymethyl methacrylate. We have characterized the resulting liquid temperature profiles in microchannels using the temperature dependent fluorescence of the complex [Ru(bpy)3]2+. We demonstrate thermophoretic manipulation of individual YOYO-1 stained T4 DNA molecules inside micro- and nanochannels.
Original language | English |
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Journal | Nano Letters |
Volume | 10 |
Issue number | 3 |
Pages (from-to) | 826-832 |
ISSN | 1530-6984 |
DOIs | |
Publication status | Published - 2010 |