Are There Similarities In The Biological Effects Of Nonionizing Radiations?

Pal Greguss

doi:10.1117/12.958343

29 May 1980 Are There Similarities In The Biological Effects Of Nonionizing Radiations?

Pal Greguss

Proceedings Volume 0211, Optics and Photonics Applied to Medicine; (1980) https://doi.org/10.1117/12.958343
Event: Optics, Photonics, and Iconics Engineering Meeting, 1979, Strasbourg, France

Abstract

There are two nonionizing radiations that are used in medical therapy: ultrasound and laser light. The first is mechanical in nature, the second is electromagnetic, nevertheless, they have a common feature: both are coherent. The mechanisms involved in their biological effects are in both cases far from being understood. Recently, it has been claimed by several authors that laser radiation of noninvasive intensities may promote tissue repair. The same was claimed for ultrasound irradiation already more than thrity years ago. With other words, two radiations of basically different nature give identical biological results. The question arises whether this is only a coincidence or there are common features that cause the observed biological effects. In our already reported experiments we have shown that coherence cannot be the reason for the found tissue repairing effects. Now we wish to report on further observations, and compare the results of various researchers using ultrasound and laser, respectively, in their studies to clear up the mechanisms of the biological effects of these radiations.

Citation Download Citation

Pal Greguss "Are There Similarities In The Biological Effects Of Nonionizing Radiations?", Proc. SPIE 0211, Optics and Photonics Applied to Medicine, (29 May 1980); https://doi.org/10.1117/12.958343

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KEYWORDS

Ultrasonography

Radiation effects

Nonionizing radiation

Laser therapeutics

Laser tissue interaction

Ultrasonics

Light sources

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