Neuron-silicon junction with voltage-gated ionic currents.

  title={Neuron-silicon junction with voltage-gated ionic currents.},
  author={R Sch{\"a}tzthauer and Peter Fromherz},
  journal={The European journal of neuroscience},
  volume={10 6},
We recorded the signals of firing Retzius neurons from Hirudo medicinalis by field-effect transistors. The axon stump of dissociated cells was attached to an open gate coated with concanavalin A. We observed a new type of neuron-transistor coupling: the extracellular voltage transients beneath the neuron were dominated by a negative peak during the rising phase of the action potential with a weaker positive transient in the falling phase. The biphasic response was opposite to the signal of… CONTINUE READING


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