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！

An Introduction to CARS Microscopy

CARS overcomes the drawbacks of conventional staining methods by the intrinsic characteristics of the method. CARS does not require labeling because it is highly specific to molecular compounds which…

Super-Resolution GSDIM Microscopy

The nanoscopic technique GSDIM (ground state depletion microscopy followed by individual molecule return) provides a detailed image of the spatial arrangement of proteins and other biomolecules within…

Scheme of a 2D mosaic scan. Drosophila melanogaster (eye section)

Mosaic Images

Confocal laser scanning microscopes are widely used to create highly resolved 3D images of cells, subcellular structures and even single molecules. Still, an increasing number of scientists are…

An ID card which has been tampered with by counterfeiters who inserted a hologram.

Is that Document Genuine or Fake? How do They Identify Fake Documents?

This article shows how forensic experts use microscopy for analysis to identify counterfeit, fake documents, such as ID cards, passports, visas, certificates, etc. Then they know if it is genuine or…

金相学：色彩与相衬度分析－微观结构对比分析

显微组织形貌的检测在材料科学和失效分析中起着决定性的作用。在光学显微镜中有许多可能使材料的真实结构可视化。本文中显示的图像示例演示了使用的这些技术的信息及潜力。

Brain section 12 μm, before dissection, objective 63x, stained with Toluidin blue.

An Introduction to Laser Microdissection

Laser microdissection is a highly selective process for preparing samples for DNA, RNA and protein analysis. It is a microscope-controlled manipulation technique for the precise separation of samples…

Applications of Laser Microdissection

Laser microdissection and laser micromanipulation are suitable for gaining a differentiated insight into the function of genes and proteins, and are used for a wide range of applications in…

共聚焦光学截面厚度

共聚焦显微镜用于光学切片比较厚的样本。最直接的问题是：1. 什么是“比较厚的样本”；2. 光学切片到底有多厚？这两个问题在一定程度上是相关的，即假设一份厚样本至少比光学切片厚10倍。

荧光入门介绍

荧光是George Gabriel Stokes于1852年首次报道的一种现象。他观察到萤石在紫外线照射后开始发光。荧光是光致发光的一种形式，是指一种材料被光照射后会发射出光子。发射光的波长比激发光更长。这种效应又称为斯托克斯位移。