• This new functional ink will enable electronic apparel such as sportswear and underwear to incorporate sensing devices for measuring a range of biological indicators such as heart rate and muscle contraction.
  • The ink exhibited high conductivity even when it was stretched to more than three times its original length, which marks the highest value reported for stretchable conductors that can be extended to more than two and a half times their original length.
  • Using this new ink, the group created a wrist-band muscle activity sensor by printing an elastic conductor on a sportswear material and combining it with an organic transistor amplifier circuit.

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