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DOI: 10.3791/65670-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
本文描述了如何应用偏振敏感双光子显微镜来表征无标记淀粉样蛋白超结构-球晶中的局部组织。它还描述了如何制备和测量样品、组装所需的设置以及分析数据以获取有关淀粉样蛋白原纤维局部组织的信息。
我们的目标是开发新的光学标记物和技术,用于检测称为淀粉样蛋白的蛋白质聚集体。他们涉及一系列疾病,如阿尔茨海默病和二型糖尿病。因此,为了治愈这些疾病,我们需要有可视化淀粉样蛋白的技术。
我们证明了双光子显微镜可用于检测淀粉样蛋白超结构内的淀粉样原纤维取向。它不仅可以使用淀粉样蛋白特异性染料来实现,还可以通过利用淀粉样蛋白的自发荧光来实现。由于我们的技术适用于非线性光学现象,因此与单光子荧光显微技术相比,它可以实现减少角度光选择、增强轴向分辨率、降低光散射、降低光毒性和更深的样品穿透力。
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