V. N. Bagratashvili, N. V. Bagratashvili, N. Yu. Ignat'eva, V. V. Lunin, T. E. Grokhovskaya, S. V. Averkiev, A. P. Sviridov, G. Sh. Shakh, “Structural changes in connective tissues caused by a moderate laser heating”, Kvantovaya Elektronika, 2002, Volume 32, Number 10,Pages <nobr>913

This article is cited in 5 papers

SPECIAL ISSUE ON LASER DIAGNOSTICS IN BIOLOGY AND MEDICINE

Structural changes in connective tissues caused by a moderate laser heating

V. N. Bagratashvili^a, N. V. Bagratashvili^a, N. Yu. Ignat'eva^b, V. V. Lunin^b, T. E. Grokhovskaya^b, S. V. Averkiev^b, A. P. Sviridov^a, G. Sh. Shakh^a

^a Institute of Laser and Information Technologies, Russian Academy of Sciences, Troitsk, Moscow Region
^b Lomonosov Moscow State University, Faculty of Chemistry

Abstract: The structural changes in adipose and fibrous tissues caused by 2- and 3-W IR laser irradiation are studied by the methods of IR and Raman spectroscopy and differential scanning calorimetry. It is shown that heating of fibrous tissue samples to 50 °C and adipose tissue samples to 75 °C by IR laser radiation changes the supramolecular structure of their proteins and triacylglycerides, respectively, without the intramolecular bond breaking. Heating of fibrous tissue to 70 °C and adipose tissue to 90 – 110 °C leads to a partial reversible denaturation of proteins and to oxidation of fats.

PACS: 42.62.Be, 87.50.Hj

Received: 30.04.2002