ABSTRACT
Increasing attention is being given to investigations of the electrical properties of biological materials. There are several reasons for this, which include an increasing awareness of the possible physiological effects associated with the absorption by tissues of electromagnetic fields (1–5). Studies of the ways in which tissues interact with electromagnetic energy are also important in the continuing developments in radiofrequency and microwave hyperthermia (6,7), impedance pneumography (8), impedance plethysmography (9), electrical impedance tomography (10,11), the thawing of cryogenically preserved tissue (12), and in the use of pulsed electric and magnetic fields to aid tissue and bone healing (13).
