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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

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多层基乳腺组织幻影用于多模式光学光谱学.

Subitcha Jayasankar1, N Sujatha2

  • 1Indian Institute of Technology Madras, MSB 356, Department of Applied Mechanics, IIT Madras, Chennai, Tamil Nadu, 600036, INDIA.

Biomedical physics & engineering express
|September 9, 2024
PubMed
概括

这项研究开发了一种具有组织生物标记物的稳定,多层幻体,以应对基于光谱的诊断方面的挑战. 幻影助力校准仪器进行精确的瘤边缘分析,使用扩散反射,光和拉曼光谱.

关键词:
乳腺微化 乳腺微化光光谱学是一种光谱学.多种模式的幽灵.光学属性 光学属性拉曼光谱法 拉曼光谱法 拉曼光谱法的幽灵是什么意思?组织幻象 组织幻象

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科学领域:

  • 生物医学工程 生物医学工程
  • 光学诊断器的光学诊断系统
  • 材料科学 材料科学 材料科学

背景情况:

  • 生物组织异质性和道德采购挑战阻碍了基于光谱的诊断方法的开发.
  • 一个稳定的,模仿组织结构和生物标记物的合成幻影对于校准和标准化至关重要.

研究的目的:

  • 开发一个多层的假象,结合多种组织生物标记物,用于光谱测试和校准.
  • 用多模态光谱学评估幻影对瘤边缘分析的实用性.

主要方法:

  • 制造一个多层的幻影.
  • 加入氧酸盐以模仿微化.
  • 包括弗拉氨酸二核酸 (FAD) 和尼古丁胺氨酸二核酸 (NADH) 在内源光中.
  • 使用分散反射,光和拉曼光谱学的分析.

主要成果:

  • 幻影成功地模仿了多层组织结构和关键生物标志物.
  • 观察到的强度差异与模拟瘤层深度和厚度的变化相关.
  • 已证明适用于仪器校准和光纤探头设计.

结论:

  • 开发的合成幻影是克服基于光谱的诊断挑战的宝贵工具.
  • 幻影促进仪器校准和光纤探针设计,用于准确的瘤边缘分析.