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显微镜科学与教学知识中心

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!
Spheroid stained with Cyan: Dapi nuclear countertain; Green AF488 Involucrin; Orange AF55 Phalloidin Actin; Magenta AF647 CK14.

Notable AI-based Solutions for Phenotypic Drug Screening

Learn about notable optical microscope solutions for phenotypic drug screening using 3D-cell culture, both planning and execution, from this free, on-demand webinar.

免疫细胞在组织样品中的共聚焦成像

在本次网络研讨会中,您将探索如何使用共聚焦显微镜对组织样品进行10色成像,并了解这一技术如何有助于评估皮肤免疫状况。
Wt1b-positive myocardial cell adopting an epicardial cell morphology.

Wt1 Genes Can Induce a Cardiomyocyte to Epicardial-like Cell Fate Transition

From this study, it was concluded that Wt1 plays a yet undescribed role for cardiomyocyte differentiation by repressing chromatin opening at specific genomic loci and that sustained ectopic expression…
3D-volume-rendered light-sheet microscope image of a spheroid showing depth coding in different colors.

Imaging of Anti-Cancer Drug Uptake in Spheroids using DLS

Spheroid 3D cell culture models mimic the physiology and functions of living tissues making them a useful tool to study tumor morphology and screen anti-cancer drugs. The drug AZD2014 is a recognized…

透明介质对组织透明度和收缩的影响

本研究通过比较新鲜解剖的双翅目昆虫脑与其透明化处理后的等效物,全面评估了不同透明化介质对组织透明度和收缩率的影响。组织透明化处理结合光片显微技术,已成为全器官三维成像和定量的强大工具。由于组织透明化处理有助于在亚细胞水平上对完整组织进行光学成像,它有潜力揭示如大脑等复杂器官以前未见的细节。为了对厚样本进行高分辨率成像,透明化介质需要与高数值孔径(NA)物镜使用的浸没液具有匹配的高折射率。这一点对于…

Understanding Motor Sequence Generation Across Spatiotemporal Scales

We have developed a microscopy-based pipeline to characterize a developmentally critical behavior at the pupal stage of development, called the ecdysis sequence. We study brain-wide neuronal activity…
[Translate to chinese:] Single-cell Huh-7D12 spheroid imaged using a Leica SP8 DLS microscope system. The spheroid was clarified using the Sucrose protocol.

系统评估透明化方案的质量标准

三维多细胞球体由于比标准二维细胞培养更能模拟体内肿瘤环境,因而在研究肿瘤行为及评估药理活性物质反应方面具有重要价值。然而,尽管球体具备生物学上的优势,使用现有的显微镜解决方案观察大型三维球体内部最深层的单个细胞依然面临挑战,主要是因为光散射导致的穿透问题。
3D glomeruli in a portion of an ECi-cleared kidney scanned by light sheet microscopy. Courtesy of Prof. Norbert Gretz, Medical Faculty Mannheim, University of Heidelberg [1].

Using Mounting Frames for Light Sheet Sample Preparation

Sample handling is an important topic in the context of Light Sheet Microscopy. The TCS SP8 DLS integrates Light Sheet technology into an inverted confocal platform and can hence make use of general…
Drosophila embryo observed from different sides. Images were acquired in the framework of the 2018 EMBO Lightsheet Course at MPI CBG in Dresden with expert support of Bruno Cossermelli Vellutini (MPI CBG), Pavel Tomancak (MPI CBG), and Emmanuel Reynaud (UCD).

Using a Rotation Device for Light Sheet Sample Mounting

The TCS SP8 DLS from Leica Microsystems is an innovative concept to integrate the Light Sheet Microscopy technology into the confocal microscope. Due to its unique optical architecture samples can be…
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