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arXiv physics/0401109physics.med-phphysics.optics
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皮肤组织空间荧光分布的蒙特卡罗模拟分析

Analysis of skin tissues spatial fluorescence distribution by the Monte Carlo simulation

D. Y. Churmakov, I. V. Meglinski, S. A. Piletsky, D. A. Greenhalgh

摘要:

提出了一种模拟人体皮肤荧光空间分布的蒙特卡罗方法。皮肤的计算模型考虑了荧光团的空间分布,这将由于胶原纤维的结构而产生,与表皮和角质层相比,其中荧光团的分布被假设为均匀的。模拟结果表明,自发荧光的分布在近红外光谱区域被显着抑制,而嵌入表皮的传感器层内的荧光源的空间分布被定位在有效深度处。

英文摘要:

A novel Monte Carlo technique of simulation of spatial fluorescence distribution within the human skin is presented. The computational model of skin takes into account the spatial distribution of fluorophores, which would arise due to the structure of collagen fibres, compared to the epidermis and stratum corneum where the distribution of fluorophores is assumed to be homogeneous. The results of simulation suggest that distribution of auto- fluorescence is significantly suppressed in the near-infrared spectral region, whereas the spatial distribution of fluorescence sources within a sensor layer embedded in the epidermis is localized at an effective depth.

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