Tomographic phase microscopy

Tomographic phase microscopy
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DOI:
10.1038/nmeth1078
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发表时间:
2007-09-01
期刊:
影响因子:
48
通讯作者:
Feld, Michael S.
Feld, Michael S.
中科院分区:
生物学1区
文献类型:
--
作者:
Choi, Wonshik;Fang-Yen, Christopher;Feld, Michael S.

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我们报告了一种技术,用于定量三维(3D)映射的折射率在活细胞和组织中使用相移激光干涉显微镜与可变照明角度。我们展示了细胞和多细胞生物体的断层成像,以及细胞结构的时间依赖性变化。我们的研究结果将允许在高分辨率显微镜下定量表征生物素诱导的像差,并在组织光散射中有多种应用。
We report a technique for quantitative three-dimensional (3D) mapping of refractive index in live cells and tissues using a phase-shifting laser interferometric microscope with variable illumination angle. We demonstrate tomographic imaging of cells and multicellular organisms, and time-dependent changes in cell structure. Our results will permit quantitative characterization of specimen-induced aberrations in high-resolution microscopy and have multiple applications in tissue light scattering.