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！

A Guide to Spatial Biology

What is spatial biology, and how can researchers leverage its tools to meet the growing demands of biological questions in the post-omics era? This article provides a brief overview of spatial biology…

Image of a 12-μm thick brain section, which was stained with Toluidin blue, before dissection. It was taken with a microscope using a 63x objective.

An Introduction to Laser Microdissection

The heterogeneity of histological and biological specimens often requires isolation of specific single cells or cell groups from surrounding tissue before molecular biology analysis can be carried…

Mouse brain (left) microdissected with a 10x objective (upper right). Inspection of the collection device (lower right).

Molecular Biology Analysis facilitated with Laser Microdissection (LMD)

Extracting biomolecules, proteins, nucleic acids, lipids, and chromosomes, as well as extracting and manipulating cells and tissues with laser microdissection (LMD) enables insights to be gained into…

Brightfield image of a pig liver stained with hematoxylin-eosin (HE).

Spatial Metabolomics: Exploring Tumor Complexity and Therapeutic Insights

In cancer research, it is vital to understand the interaction between tumor cells and their microenvironment, as the tumor microenvironment influences tumor progression significantly. Spatial…

Mosaic scan of a Masson-Goldner stained cat brain. Magnification: 20x.

Lipidomics Analysis of Sparse Cells based on Laser Microdissection

Delve into cellular intricacies with high-coverage targeted lipidomics analysis of sparse cells. This advanced method, integrating Laser Microdissection (LMD) and Liquid Chromatography-Mass…

[Translate to chinese:] Image of murine dopaminergic neurons which have been marked for laser microdissection (LMD).

利用激光显微切割（LMD）在空间背景下分离神经元

在阿尔茨海默病之后，帕金森病是第二常见的进行性神经退行性疾病。在首发症状出现之前，中脑中高达70%的多巴胺释放神经元已经死亡。本文描述了如何使用现代激光显微切割（LMD）方法帮助解决帕金森病之谜。研究涉及在空间背景下分离和分析神经元。这些细胞来自帕金森病患者的死后黑质组织样本，以便深入了解该病的分子机制。

激光显微切割技术如何助力神经科学研究取得开创性进展？

玛尔塔·帕特林尼博士，卡罗林斯卡学院的高级科学家，分享了她在成人人类神经发生开创性研究中使用激光显微切割（LMD）的经验，并提供了关于LMD在空间蛋白质组学和精准医学中未来应用潜力的个人见解。

激光显微切割技术用于组织和细胞分离的协议 - 免费下载电子书

激光显微切割（LMD，也称为激光捕获显微切割或LCM）使用户能够分离特定的单个细胞或整个组织区域，甚至亚细胞结构如染色体。纯化的组织和细胞可用于下游的RNA、DNA和蛋白质组工作流程。

Image of immunofluorescently labelled cells where mitochondria are indicated with red, nuclei with blue, and actin with green.

采用徕卡THUNDER-DM6B观察SARS-CoV-2感染宿主细胞及其复制过程

冠状病毒2致重度急性呼吸综合征(SARS-CoV-2) 冠状病毒2致重度急性呼吸综合征(SARS-CoV-2)出现于2019年末，并快速传播全世界。由于其大面积的影响，研究人员对病毒的性质进行了深入的研究以期最终阻止大流行。一个重要的方面是病毒如何在宿主细胞中复制。Ogando及其同事的研究已经揭示了SARS-CoV-2的复制动力学、适应能力和细胞病理学。他们的工具之一是用荧光显微镜观察SARS…