THE INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF COLLAGENOUS TISSUE BEFORE AND AFTER ARF LASER IRRADIATION

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MOKHTARI SOUSAN; BAGHAPOUR SHAGHAYEGH; PARVIN PARVIZ; AMJADI AHMAD

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Journal: Lasers in Medicine Year:2011 | Volume:8 | Issue:1 (39) Page(s): 25-28

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Title

THE INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF COLLAGENOUS TISSUE BEFORE AND AFTER ARF LASER IRRADIATION

Author(s)

MOKHTARI SOUSAN | BAGHAPOUR SHAGHAYEGH | PARVIN PARVIZ | AMJADI AHMAD | Issue Writer Certificate

Keywords

COLLAGENQ3

ARF EXCIMER LASERQ3

MODULUSQ3

FTIR SPECTROSCOPYQ3

Abstract

Introduction:Crosslinking and photodegradation mechanisms are induced by exposure to excimer laser irradiation which depends mainly on the irradiation dose. Tensile test was performed associated with the FTIR SPECTROSCOPY to investigate the changes after ArF laser irradiation on the tissue.Materials and methods:Samples from sheep renal capsule were irradiated by ARF EXCIMER LASER at 193 nm. Young’s MODULUS is determined, in order to estimate the effect of irradiation in tensile test. P value (p<0.01) test were done using t-student distribution for statistical analysis. The FTIR SPECTROSCOPY is used to study the variation of chemical and molecular structures.Results and discussion:Reduction of young’s MODULUS during 10 seconds exposure leads to the partial peptide bond scissions and stiffness decreasing. Aromatic acids absorption predominated between 10 to 30 seconds exposure and tissue’s stiffness reaches its peak at 30 seconds. Increasing the irradiation dose, the process of peptide bond scissions makes the stiffness drop and a shift of amide II frequency takes place to the lower frequency.

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APA: Copy

MOKHTARI, SOUSAN, BAGHAPOUR, SHAGHAYEGH, PARVIN, PARVIZ, & AMJADI, AHMAD. (2011). THE INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF COLLAGENOUS TISSUE BEFORE AND AFTER ARF LASER IRRADIATION. LASER IN MEDICINE, 8(1 (39)), 25-28. SID. https://sid.ir/paper/113500/en

Vancouver: Copy

MOKHTARI SOUSAN, BAGHAPOUR SHAGHAYEGH, PARVIN PARVIZ, AMJADI AHMAD. THE INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF COLLAGENOUS TISSUE BEFORE AND AFTER ARF LASER IRRADIATION. LASER IN MEDICINE[Internet]. 2011;8(1 (39)):25-28. Available from: https://sid.ir/paper/113500/en

IEEE: Copy

SOUSAN MOKHTARI, SHAGHAYEGH BAGHAPOUR, PARVIZ PARVIN, and AHMAD AMJADI, “THE INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF COLLAGENOUS TISSUE BEFORE AND AFTER ARF LASER IRRADIATION,” LASER IN MEDICINE, vol. 8, no. 1 (39), pp. 25–28, 2011, [Online]. Available: https://sid.ir/paper/113500/en

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