• The new fibers are made of polymers that closely resemble the characteristics of neural tissues, Anikeeva says, allowing them to stay in the body much longer without harming the delicate tissues around them.
  • The key to the technology is making a larger-scale version, called a preform, of the desired arrangement of channels within the fiber: optical waveguides to carry light, hollow tubes to carry drugs, and conductive electrodes to carry electrical signals.
  • The system can be tailored for a specific research or therapeutic application by creating the exact combination of channels needed for that task. ‘You can have a really broad palette of devices,’ Anikeeva says.

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