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Journal Article

Semiconductor chips with ion channels, nerve cells and brain


Fromherz,  P.
Fromherz, Peter / Membrane and Neurophysics, Max Planck Institute of Biochemistry, Max Planck Society;

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Fromherz, P. (2003). Semiconductor chips with ion channels, nerve cells and brain. Physica E-Low-Dimensional Systems & Nanostructures, 16(1), 24-34.

Cite as:
The electrical interfacing of individual nerve cells and semiconductor microstructures as well as the assembly of neuronal networks and microelectronic circuits, is considered. At first the planar core-coat conductor of a neuron-silicon junction is studied as it determines the coupling of ion- conducting neurons and electron-conducting silicon. The width of the cleft between cell and chip, the resistance of cleft and voltage-gate ion channels in the junction are investigated. On that basis, a subsequent section describes the electronic interfacing of individual cultured neurons with silicon microstructurcs as well as the integration of microelectronics with small neuronal networks grown in Culture. In a final part, the electronic interfacing of cultured brain slices is addressed, The goal of this approach is an integration of neuronal network dynamics and digital computation on a microscopic level for studies in brain research, biosensorics, information technology and medical prosthetics. (C) 2002 Elsevier Science B.V. All rights reserved.