Sticky Nanobeads Can Strip Bacteria, Viruses From Blood

A new device uses magnetism to rid the bloodstream of pathogens that are the source of deadly infections.

Bioengineers at Harvard’s Wyss Institute have developed a blood filter that quickly grabs toxins, such as E.coli or Ebola, from the bloodstream using protein-coated nanobeads and magnets. In early tests, the biomechanical treatment removed more than 90 percent of toxins from infected human blood within a few hours.
Cleansing the Blood
When our immune system fights an infection, the

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