Raman-based system for DNA sequencing-mapping and other separations
First Claim
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1. An apparatus for analyzing DNA comprising:
- a SERS label attached to DNA fragments;
sequencer means for separating the labeled DNA fragments;
a SERS-active media, disposed within the sequencer means, and having at least one of the DNA fragments adsorbed thereon; and
Raman spectrometer means, including a light source focused onto the SERS-active media, for producing a SERS spectrum of the SERS labeled DNA fragment, the SERS spectrum having characteristics which identify the DNA fragment.
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Abstract
DNA sequencing and mapping are performed by using a Raman spectrometer with a surface enhanced Raman scattering (SERS) substrate to enhance the Raman signal. A SERS label is attached to a DNA fragment and then analyzed with the Raman spectrometer to identify the DNA fragment according to characteristics of the Raman spectrum generated.
183 Citations
15 Claims
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1. An apparatus for analyzing DNA comprising:
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a SERS label attached to DNA fragments; sequencer means for separating the labeled DNA fragments; a SERS-active media, disposed within the sequencer means, and having at least one of the DNA fragments adsorbed thereon; and Raman spectrometer means, including a light source focused onto the SERS-active media, for producing a SERS spectrum of the SERS labeled DNA fragment, the SERS spectrum having characteristics which identify the DNA fragment. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for analyzing DNA comprising:
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a SERS label attached to DNA fragments; sequencing means for separating the SERS labeled DNA fragments; means for transferring the SERS labeled DNA fragments from the sequencer means onto a moving SERS-active substrate; and Raman spectrometer means, having a light source focused onto the moving SERS-active substrate, for producing a SERS spectrum of the SERS labeled DNA fragment, the SERS spectrum having characteristics which identify the DNA fragment. - View Dependent Claims (8)
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9. A method for analyzing DNA comprising:
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attaching a SERS label to DNA fragments; separating the labeled DNA fragments with a sequencer; adsorbing at least one of the DNA fragments onto a SERS-active media disposed within the sequencer; and producing a SERS spectrum of the SERS labeled DNA fragment with a Raman spectrometer, the SERS spectrum having characteristics which identify the DNA fragment. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification