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Proceedings Paper

Enhancing growth of cultured human skin cells using low-energy CO2 laser
Author(s): Nili Grossman; Haim Reuveni; Sima Halevy; Rachel Lubart
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Paper Abstract

In view of the versatility and usage of the CO2 laser as a too. in surgery and dermatology, we have studied its effect on enhancing proliferation of cultured skin cells using an attenuated CO2 laser. Exposure of cultured keratinocytes or fibroblasts to continuous wave or pulse mode irradiation enhanced thymidine incorporation by 1.4 to 1.7 folds, and cell number by 1.25 to 1.4 folds, measured 24 and 48 hours later, depending on the fluency applied. As expected, these effects were not suppressed by added antioxidants, indicating that the mechanism involved in this newly observed effect, differ from photosensitization by low energy visible and near IR lasers.

Paper Details

Date Published: 22 December 1997
PDF: 4 pages
Proc. SPIE 3198, Effects of Low-Power Light on Biological Systems, (22 December 1997); doi: 10.1117/12.298002
Show Author Affiliations
Nili Grossman, Ben-Gurion Univ. of the Negev (Israel)
Haim Reuveni, Ben-Gurion Univ. of the Negev (Israel)
Sima Halevy, Soroka Medical Ctr. (Israel) and Ben-Gurion Univ. of the Negev (Israel)
Rachel Lubart, Bar-Ilan Univ. (Israel)

Published in SPIE Proceedings Vol. 3198:
Effects of Low-Power Light on Biological Systems
Giovanni F. Bottiroli; Tina I. Karu; Rachel Lubart, Editor(s)

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