Publication

A microcomputer controlled system for monitoring multiple voltammetric electrodes in vivo.

Blakely RD, Duvarney RC
Brain Res Bull. 1983 10 (3): 315-20

PMID: 6133600 · DOI:10.1016/0361-9230(83)90097-7

An inexpensive multielectrode voltammetry system designed for in vivo neurochemical studies of the awake, unanesthetized primate has been developed. Consisting of an Apple II Plus microcomputer, parallel operational amplifier circuitry for six working electrodes, and commercially available interface boards, the system has the flexibility to implement many standard voltammetric procedures under total software control. Multielectrode monitoring is accomplished essentially simultaneously, and all channels are equipped with independent gain controls allowing for rapid amplification adjustment. An interactive chronoamperometry program, capable of making rapid 12 bit analog to digital conversions for each working electrode over four software selectable ranges, is described and system performance is evaluated.

MeSH Terms (7)

Animals Brain Electric Conductivity Electrodes Microcomputers Neurotransmitter Agents Primates

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