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Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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使用 axicon 探针辅助的通路光学连贯性断层扫描来进行组织特征分析.

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    此摘要是机器生成的。

    一种用于光学连贯断层扫描 (OCT) 的新型光纤探头可以创建贝塞尔束,用于详细的组织分析. 该系统使用光学特性将癌细胞与正常组织区分开来,有助于早期发现恶性瘤.

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    科学领域:

    • 生物医学光学 生物医学光学
    • 光学工程是指光学工程.
    • 医疗成像医学成像

    背景情况:

    • 光学连贯断层扫描 (OCT) 是用于非侵入性组织表征的宝贵工具.
    • 传统的OCT系统通常需要庞大的显微镜镜片用于高分辨率成像.
    • 鉴定组织的光学特性对于疾病诊断至关重要.

    研究的目的:

    • 通过使用一种新的纤维尖探头来演示一个通路的OCT系统.
    • 描述组织的光学特性,以区分正常和癌症组织.
    • 评估系统对内镜或最小侵入性检查的潜力.

    主要方法:

    • 作为光学探头,用化学方法刻入光纤尖端的负轴子结构被用作光学探头.
    • 探测器产生了贝塞尔束,其深度很大 (∼700微米),斑点大小小小 (∼3微米).
    • 在OCT系统中,无需使用外部显微镜镜片,对组织和人肝/胰腺样本进行了成像.

    主要成果:

    • 海外国家和地区系统成功获得了肉组织的图像.
    • 折射率和光学衰减系数是根据海外国土和地区的数据估计的.
    • 癌症的人类肝脏和胰腺组织与正常组织根据成像和光学特性进行了区分.

    结论:

    • 开发的纤维尖贝塞尔束探针使得有效的OCT成像和光学属性表征成为可能.
    • 该系统在区分癌症和正常组织方面表现有前途.
    • 这项技术可以在早期恶性瘤检测和手术内评估中发挥重要作用.