Leica Microsystems: 显微镜科学与教学知识中心

显微镜科学与教学知识中心

徕卡显微系统的知识库提供有关显微镜学科的科学研究和教学材料。内容旨在对显微镜初学者、有经验的显微镜操作实践者和使用显微镜的科学家在他们的日常工作和实验有所帮助。这里有探索交互式教程和应用笔记，你可以找到你需要的显微镜的基础知识以及前沿技术——快来加入徕卡显微知识社区，分享您的专业知识！

[Translate to chinese:] 3D reconstruction of an intercellular bridge in a C. elegans embryo

下载 EM 工作流程解决方案手册

这本 26 页的工作流程手册中讨论的解决方案已被证明能够提供快速、可靠和可重复的结果。如果您对自己的工作流程有特殊要求，或对此处显示的主题有任何疑问，我们的徕卡专家将随时乐意为您提供帮助。

Exploring the Structure and Life Cycle of Viruses

The SARS-CoV-2 outbreak started in late December 2019 and has since reached a global pandemic, leading to a worldwide battle against COVID-19. The ever-evolving electron microscopy methods offer a…

Fast, High-quality Vitrification with the EM ICE High Pressure Freezer

The EM ICE High Pressure Freezer was developed with a unique freezing principle and uses only a single pressurization and cooling liquid: liquified nitrogen (LN2). This design enables three major…

[Translate to chinese:] Cryo FIB lamella - Overlay of SEM and confocal fluorescence image. Target structure in yeast cells (nuclear pore proteine Nup159-Atg8-split Venus, red) marked by an arrow. Scale bar: 5 µm. Alegretti et al., Nature 586, 796-800 (2020).

使用冷冻共聚焦显微镜定位活性循环核孔复合物

本文介绍了如何利用冷冻光学显微镜，尤其是冷冻共焦显微镜来提高冷冻工作流程的可靠性。评估了EM网格和样品的质量，并分析了目标结构的分布。本文展示了如何将冷冻共焦3D数据投射到SEM图像上，将感兴趣结构可靠地保留在FIB切割的薄片内，以便在冷冻TEM中进行进一步研究。

使用增强功能电子显微镜研究大脑切片中的突触

神经科学的一个基本问题就是突触的结构与其功能特性之间有何关系？过去几十年，电生理学揭示了突触传递机制，而电子显微镜（EM）深入探索了突触形态。用于关联突触生理学和超微结构的方法可以追溯到20世纪中叶。目标是获得突触传递的快照，即捕获电子显微照片中的动态过程。

Advancing Cell Biology with Cryo-Correlative Microscopy

Correlative light and electron microscopy (CLEM) advances biological discoveries by merging different microscopes and imaging modalities to study systems in 4D. Combining fluorescence microscopy with…

High-pressure freezing: Revealing functional mechanisms of synaptic transmission

Learn more about applying optogenetic stimulation in the EM ICE and how this technology has the potential to reveal structural and functional mechanisms of synaptic transmission. Get a detailed…

Workflows and Instrumentation for Cryo-electron Microscopy

Cryo-electron microscopy is an increasingly popular modality to study the structures of macromolecular complexes and has enabled numerous new insights in cell biology. In recent years, cryo-electron…

高分辨冷冻光学显微镜图像

本文阐述了在冷冻光电联用流程中如何利用THUNDER高分辨技术改善冷冻电子显微镜对细胞靶区的识别。人类已知的疾病很多。为了找到有效的治疗方式，必须对健康和不健康人体当中最基本的细胞机制予以深入研究。