Optical clearing of skin tissue ex vivo with polyethylene glycol

被引：21

作者：

Tuchina, D. K. ^{[1
]}

Genin, V. D. ^{[1
]}

Bashkatov, A. N. ^{[1
,2
]}

Genina, E. A. ^{[1
,2
]}

Tuchin, V. V. ^{[1
,2
,3
]}

机构：

[1] NG Chernyshevskii Saratov State Univ, Saratov 410012, Russia

[2] Tomsk State Univ, Tomsk 634050, Russia

[3] Russian Acad Sci, Inst Precis Mech & Control, Saratov 410028, Russia

来源：

OPTICS AND SPECTROSCOPY | 2016年 / 120卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

IN-VIVO; MOLECULAR-WEIGHT; DENSITY; AGENTS; PERMEABILITY; IMMERSION; DIFFUSION; COLLAGEN; SIZE;

D O I：

10.1134/S0030400X16010215

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Alterations of the optical and structural (weight, thickness, and square) parameters of skin caused by polyethylene glycol (PEG) with molecular weights of 300 and 400 Da were studied experimentally. The objects of the study were ex vivo skin samples of albino laboratory rats. Collimated transmittance of the skin was measured in the wavelength range 500-900 nm. As a result of exposure to the agents, an increase in the collimated transmittance and a decrease in weight, thickness, and square of skin samples were observed. Analysis of the kinetics of parameters alterations allowed us to measure the diffusion coefficient of the agents in the skin as (1.83 +/- 2.22) x 10(-6) and (1.70 +/- 1.47) x 10(-6) cm(2)/s for PEG-300 and PEG-400, respectively, and the rate of alterations of the structural parameters. The results obtained in this study can be used for the improvement of existing and development of new methods of noninvasive diagnostics and therapy of subcutaneous diseases.

引用

页码：28 / 37

页数：10

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