Radiofrequency Radiation Dosimetry Handbook

TABLE 4.4. Electrical-Field Effects On Membranes
Summary of various field effects on membranes (some established, some proposed).

V_M is the field-induced membrane potential; E, corresponding field strength in situ. E and

V_M are interrelated by

V_M = 1.5 ER (for spherical cells).

Field Effects	V_m	E, in situ

Membrane destruction	100-300mV

Action potential (excitation)	10 mV	1 V/cm

Subtle effects	0.1-1mV

Extraordinary sensitivities

A. Related to membranes	0.1 µV	0.01 µV/cm

B. Possibly not related to membranes	< 1 nV	0.1 µV/cm

Microwave sensitivities (1 GHz)	1 µV*	1 V/cm

* From

V_M = 1.5 ER

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