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:] The EM ICE Nano loading area

如何让样品保持在生理状态

Coral Life工作流将动态数据与最佳的样品固定方式(高压冷冻)相结合。然而，如果您的细胞因为温度下降，或缺氧气、二氧化碳或营养物质缺乏而受到损伤，那么再好的样品保存也没有意义。这些因素将影响一系列的生物过程，甚至破坏原超微结构基础，影响您的分析。

将动态活细胞数据融入超微结构

采用徕卡Nano的工作流程，可以避免过去如海底捞针似的寻找。利用光电关联显微技术，在适当的时间直接鉴别出正确的细胞，并将动态的活细胞数据融入其超微结构中。

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…

Development of Fluorescence Lifetime Imaging Microscopy (FLIM) and its Relevance for Functional Imaging

Prof. Ammasi Periasamy, Director, Keck Center for Cellular Imaging, University of Virginia, was interviewed by Dr. Giulia Ossato, Product Manager functional imaging, during Leica Microsystems Meets…

DIVE Multiphoton Microscope Image Gallery

Today’s life science research focusses on complex biological processes, such as the causes of cancer and other human diseases. A deep look into tissues and living specimens is vital to understanding…

[Translate to chinese:] Mammalian cell culure. Phase contrast and fluorescence image.

哺乳动物细胞培养的介绍

哺乳动物细胞培养是生命科学的基本支柱之一。如果不具备在实验室中培养细胞的能力，那么细胞生物学、免疫学、肿瘤研究等学科很难实现快速发展。本文概述了哺乳动物细胞培养系统，可以根据其形态、细胞类型和组织对其进行分类。此外，还介绍了适宜的细胞生长条件以及需要使用何种显微镜来观察细胞。

Multicolor image of a Confetti Mouse recorded with the new SP8 DIVE with the 4Tune spectral detector. The adaptation to the transgenic markers allows to achieve more contrast and depth for multi-color in vivo deep imaging. Sample courtesy of Jacco van Rheenen, University of Utrecht, NL.

About the Most Important Considerations When Imaging Deep Into Mouse Tissue

When operating a confocal microscope, or when discussing features and parameters of such a device, we inescapably mention the pinhole and its diameter. This short introductory document is meant to…

Gene Editing with CRISPR/Cas9 - Breakthrough in Genome Engineering

The CRISPR/Cas9 system is one of several different bacterial systems for defense against viral attacks. It consists of two main components. One is a small piece of RNA which binds to the viral target…

冷冻透射电子显微镜的投入式冷冻技术：应用

低温下观察完全含水、未染色样本的透射电子显微镜（cryo TEM）是结构生物学、细胞生物学、药理学和其他科学分支的通用工具。通过将标本放入冷冻剂中进行超快速冷冻（投入式冻结）是一种常用的方法，用于制备在透射电镜观察的各种标本。本文是对投入式冷冻的补充，介绍了在不同领域使用投入式冷冻标本的三种冷冻TEM应用。