Abstract
High-resolution, frequency-domain THz spectroscopy is combined with nanofluidic-chip technology to detect absorption signatures in nucleic-acid solutions between 800 and 1100 GHz. Two species are investigated, si- RNA and Lambda DNA, and clearly detected with ~4.2×10−15 and ~1.0×10−16 mol, respectively, in the nanochannels.
© 2013 Optical Society of America
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