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Recipes to make organic phantoms for diffusive optical spectroscopy

机译：制作用于扩散光谱的有机体模的配方

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摘要

Three recipes are presented to make tissue constituent-equivalent phantoms of water and lipids. Different approaches to prepare the emulsion are proposed. Nature phantoms are made using no emulsifying agent, but just a professional disperser; instead Agar and Triton phantoms are made using agar or Triton X-100, respectively, as agents to emulsify water and lipids. Different water-to-lipid ratios ranging from 30% to 70% by mass were tested. A broadband time-resolved diffuse optical spectroscopy system was used to characterize the phantoms in terms of optical properties and composition. For some water/lipid ratios the emulsion fails or the phantom has limited lifetime, but in most cases the recipes provide phantoms with a high degree of homogeneity [coefficient of variation (CV) of 4.6% and 1.5% for the absorption and reduced scattering coefficient, respectively] and good reproducibility (CV of 8.3% and 12.4% for absorption and reduced scattering coefficient, respectively).
机译：提出了三种配方来制作水和脂质的组织成分等效体模。提出了制备乳液的不同方法。大自然幻影不使用乳化剂，而是使用专业的分散剂制成。取而代之的是，琼脂和Triton幻影分别使用琼脂或Triton X-100作为乳化水和脂质的试剂制成。测试了按质量计从30％到70％的不同水脂比。宽带时间分辨漫射光谱系统用于在光学特性和成分方面表征体模。对于某些水/脂比率，乳液失效或幻影的寿命有限，但在大多数情况下，配方为幻影提供了较高的均匀度[变异系数（CV）为4.6％，吸收系数为1.5％，散射系数降低）和良好的重现性（吸收和降低散射系数的CV分别为8.3％和12.4％）。

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