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Measurement of electrical currents emerging during the regeneration of amputated finger tips in children

C M Illingworth and A T Barker

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SHORT COMMUNICATION

Measurements were made on 10 children who had finger tip amputations. They were made at 1 to 7 day intervals until 2 successive zero readings were obtained. The injured finger was immersed in physiologically normal saline for approximately 2/3 of its length, and the probe was moved across the surface of the wound. The currents recorded a remarkable similarity to those obtained by Borgens et al. (1977) on salamanders, rising to a peak average current density of 22 mu A cm-2 after an average of 8 days.


PACS

87.80.-y Biophysical techniques (research methods)

87.19.L- Neuroscience

87.19.R- Mechanical and electrical properties of tissues and organs

Subjects

Instrumentation and measurement

Medical physics

Biological physics

Dates

Issue 1 (February 1980)



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