[Propagation of a variable potential along the human basal membrane and changes in its constant electric field as a result of laser irradiation of the skin]

Area of Science:

• Biophysics
• Cell Biology
• Laser Medicine

Context:

• The basal complex is a critical control system for living processes.
• Understanding cellular responses to specific wavelengths of light is crucial in biology and medicine.

Purpose:

• To investigate the effects of helium-neon laser (633 nm) exposure on the human basal complex.
• To characterize the biophysical changes induced by laser irradiation on cellular membrane potentials.

Summary:

• Exposure to a 633 nm helium-neon laser induces a variable potential propagation along the human basal complex.
• The laser signal exhibits a leading front of ~1 sec and a trailing front of ~3 sec, with an amplitude of ~60 mV.
• This results in a sustained depolarization of the membrane complex lasting 30-60 minutes, indicating a damaging effect.

Impact:

• Demonstrates that helium-neon laser radiation can act as a damaging agent on the basal complex.
• Highlights the potential for laser light to disrupt fundamental cellular control mechanisms.
• Provides insights into the cellular-level interactions between specific laser wavelengths and biological tissues.