Ling Uses Magnetic Field to Slow DNA Strands Flowing Through Nanopore | GenomeWeb

Sometimes DNA just needs to be slowed down. When the concept of nanopore-based sequencing was developed, the idea was that an electrical field would apply a force to get the strands of DNA to pass through the small nanopore opening while that same electrical field would read the sequence off the strands. "The idea of the nanopore sequencing as originally proposed … is very enticing in its simplicity, that you read off the genetic sequence by measuring current or voltage," says Brown University physicist Xinsheng Sean Ling. "That's very appealing to physicists."

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