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Effects of varying local temperature on the optical properties of cells in-vitro

机译:局部温度变化对体外细胞光学特性的影响

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A Summary Increase in local temperature during light exposure of biological tissues plays an important role in determining the fate of most therapeutic modalities. Variations in the optical properties (absorption coefficient, scattering coefficient, anisotropy factor, optical depth etc.) of two cancer cell lines "Rhobdomyosarcoma and Cervical carcinoma" due to gradual increase in temperature were determine quantitatively with a double integrating sphere system. It was observed that all three coefficients showed decreasing tendency as the temperature increases for both the cell lines except for scattering coefficient of HeLa which remain constant within error limit. Anisotropy factor for both cell lines increased indicating temperature dependent subcellular density variations. Temperature dependent optical properties information may lead to precise dosimetry and could help clinicians for predicting the therapeutic modality outcome. (C) 2015 Elsevier B.V. All rights reserved.
机译:发明内容生物组织的曝光期间局部温度的升高在决定大多数治疗方式的命运中起着重要作用。用双积分球系统定量确定由于温度逐渐升高引起的两个癌细胞系“横纹肌肉瘤和宫颈癌”的光学特性(吸收系数,散射系数,各向异性因子,光学深度等)的变化。观察到,除了HeLa的散射系数在误差极限内保持恒定之外,这两个系数都随着温度的升高而呈现出下降的趋势。两种细胞系的各向异性因子均增加,表明温度依赖性亚细胞密度变化。温度相关的光学性质信息可能会导致精确的剂量测定,并可能有助于临床医生预测治疗方式的结果。 (C)2015 Elsevier B.V.保留所有权利。

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