Synergistic Effect of Ultrasound and Thiazone-PEG 400 on Human Skin Optical Clearing In Vivo

被引:25
|
作者
Zhong, Huiqing [1 ,2 ]
Guo, Zhouyi [1 ,2 ]
Wei, Huajiang [1 ,2 ]
Guo, Long [1 ,2 ]
Wang, Chuanxing [1 ,2 ]
He, Yonghong [3 ]
Xiong, Honglian [1 ,2 ]
Liu, Songhao [1 ,2 ]
机构
[1] S China Normal Univ, MOE Key Lab Laser Life Sci, Guangzhou, Guangdong, Peoples R China
[2] S China Normal Univ, Inst Laser Life Sci, Coll Biophoton, Guangzhou, Guangdong, Peoples R China
[3] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen 518057, Peoples R China
基金
中国国家自然科学基金;
关键词
TRANSDERMAL DRUG-DELIVERY; NEAR-INFRARED SPECTROSCOPY; HUMAN STRATUM-CORNEUM; HYPEROSMOTIC AGENTS; DIMETHYL-SULFOXIDE; SONOPHORETIC DELIVERY; COHERENCE TOMOGRAPHY; CHEMICAL ENHANCERS; BARRIER FUNCTION; GLYCOLIC ACID;
D O I
10.1111/j.1751-1097.2010.00710.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In this paper, we propose a new physical method in combination with mixed solution of thiazone and polyethylene glycol 400 (thiazone PEG 400 solution) penetration into tissue to assess the skin optical clearing. Four treatments were performed: (1) control group (C); (2) polyethylene glycol 400 (PEG400); (3) 0.25% thiazone (0.25%T); (4) 0.25% thiazone and 5-min ultrasound (0.25%T/SP). The diffuse reflectance spectra and imaging depth of human skin in vivo at different times were measured by spectroscopy and optical coherence tomography (OCT). The optical clearing efficacy of skin was qualitatively and quantitatively analyzed. The results showed that the diffuse reflectance at 540 nm of samples at 10 min after being treated by 0.25%T/SP decreased by approximately 15.51%, whereas, 0.46%, 4.73% and 5.75% were received in C, PEG400 and 0.25%T, respectively. And at 60 min, the decrease in diffuse reflectance of samples in 0.25%T/SP is about 2.22-fold, 1.20-fold compared with that of the samples in PEG 400 and 0.25%T, at 540 nm, respectively. Simultaneously, 0.25%T/SP results in 41.33% increase in OCT 1/e light penetration depth after 60 min. There was a significant difference in the optical clearing effect on skin between ultrasound-mixed solution of thiazone in combination with PEG 400 and the mixed solution (P < 0.05).
引用
收藏
页码:732 / 737
页数:6
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