Structural changes in connective tissues caused by a moderate laser heating

被引：5
|
作者：
Bagratashvili, VN
Bagratashvili, NV
Ignat'eva, NY
Lunin, VV
Grokhovskaya, TE
Averkiev, SV
Sviridov, AP
Shakh, GS
机构：
[1] Russian Acad Sci, Inst Laser & Informat Technol, Troitsk 142190, Moscow Region, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
来源：
QUANTUM ELECTRONICS | 2002年 / 32卷 / 10期
关键词：
laser thermoplastics; connective tissues; collagen denaturation; melting of triacylglycerides;
D O I：
10.1070/QE2002v032n10ABEH002316
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 50degreesC and adipose tissue samples to 75degreesC by IR laser radiation changes the supramolecular structure of their proteins and triacylglycerides, respectively, without the intramolecular bond breaking. Heating of fibrous tissue to 70degreesC and adipose tissue to 90-110degreesC leads to a partial reversible denaturation of proteins and to oxidation of fats.
引用
收藏
页码：913 / 916
页数：4
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