29 Sep '16, 7pm

A Superfast DNA Sequencer Based on Motion Detection

For more than 20 years, the practice of using a low intensity electric current to pull long strands of DNA through nanometer-scale pores in a membrane and measure the electric field variations of the four nucleic acids—A, C, G, T—has been growing as the main approach for DNA sequencers. We’ve seen the development of this technology reach the point where UK-based Oxford Nanopore has been offering portable DNA sequencers based on this fundamental measurement principle for more than a year. Meanwhile, in the research labs scientists have been tinkering with better materials for the membrane and have started to work with the “wonder material” graphene to see what benefits it might provide in these types of devices. Now researchers at the National Institute of Standards and Technology (NIST) may have changed the technology paradigm for DNA sequencers in their proposal for an en...

Full article: http://spectrum.ieee.org/nanoclast/biomedical/devices/a-s...

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