Leica Microsystems

Leica Microsystems

Leica Microsystems is a world leader in microscopes and scientific instruments. Founded as a family business in the nineteenth century, the company’s history was marked by unparalleled innovation on its way to becoming a global enterprise.

Its historically close cooperation with the scientific community is the key to Leica Microsystems’ tradition of innovation, which draws on users’ ideas and creates solutions tailored to their requirements. At the global level, Leica Microsystems is organized in three divisions, all of which are among the leaders in their respective fields: Life Science, Industry and Medical.

The company is represented in over 100 countries with 6 manufacturing facilities in 5 countries, sales and service organizations in 20 countries, and an international network of dealers. The company is headquartered in Wetzlar, Germany.

http://www.leica-microsystems.com/

The M320 dental microscope.

选择牙科显微镜时需考虑的六大特性

在牙医学中,手术显微镜对于进行高质量和成功的手术来说变得愈发重要,尤其是在牙髓病学领域。显微镜协助牙医进行微创手术,旨在保护牙质、保留组织、最大限度地降低风险并缩短愈合时间。 要选择适合牙医需求的显微镜,了解现代牙科显微镜的一些决定性特征将十分有帮助。
Long-term in toto imaging of FUCCI2 intestinal organoids.

Multiscale Imaging of Organoids: High Content to Light Sheet

Learn multiscale organoid imaging: fixed high content phenotyping, gentle dual view light sheet, and reproducible pipelines that turn 3D data into insights.
Snapshot from a time lapse of a calcium imaging experiment using the ratiometric calcium indicator Fura-2.

比例成像

细胞的许多基本功能在很大程度上依赖于离子(例如钙、镁)、电压势和细胞质与周围细胞外空间之间的 pH 值的微妙但动态的平衡。这些平衡的变化会显著改变细胞的行为和功能。因此,实时测量细胞内离子、电压和 pH…
Ribbon diagram of a donor (D) and acceptor (A) molecule which participate in FRET (Förster resonance energy transfer).

荧光寿命成像与荧光共振能量转移

荧光寿命是荧光团在发射荧光光子返回基态之前保持其激发态的平均时间长度。这取决于荧光团的分子组成和纳米环境。 FLIM将寿命测量与成像相结合:对每个图像像素以测得的荧光寿命进行颜色编码,产生额外的图像反差。因此,FLIM可以提供关于荧光分子空间分布的信息和有关其生化状态或纳米环境的信息。…
Proveo 8x 3D digital microscope used in ophthalmic surgery, illustrating heads‑up visualization and clinical collaboration.

4 Key Benefits of 3D Digital Microscopy in Ophthalmic Surgery

3D digital visualization is rapidly transforming ophthalmic surgery. Modern 3D surgical microscopes enable surgeons to perform procedures using high-resolution digital displays rather than traditional…
3D rendering of a mouse beta cell with mitochondria (blue), insulin SGs (orange), microtubules (red), nucleus (yellow), and plasma membrane (transparent).

High-Pressure Freezing Protocols for Ultrastructural 3D EM

High pressure freezing (HPF) can help preserve hydrated cells and tissues close to their biological state at the moment of immobilization, supporting more reliable ultrastructural interpretation than…
Claudia Mayrhofer ZFE Graz

Ultramicrotome UC Enuity in Practice: Stable 15 nm Sections at ZFE

After using the UCT and UC6 ultramicrotomes, Claudia Mayrhofer calls UC Enuity a leap in stability—so robust that vibrations and temperature shifts don’t spoil sections, even with multiple users. Auto…
带有大量夹杂物的原生刚玉玻璃图像。这是使用偏振对比显微镜拍摄的。

利用偏光显微镜优势确保玻璃质量

玻璃是已知最古老的材料之一。如今,玻璃被广泛应用于各种领域,如光学仪器、门窗、太阳能电池板、食品、饮料和药品容器等,因此必须符合严格的玻璃质量标准,尤其是光学玻璃。利用偏光显微镜对平板玻璃、中空玻璃和压制玻璃进行质量控制既快捷又经济。无需进行耗时的样品制备,即可对结节、金属、晶体夹杂物和气泡等缺陷进行分析。
OCSS Cataract Surgery Symposium

Expert Techniques for Superior Visualization in Cataract Surgery

Join renowned ophthalmic surgeons, Dr. Hussein Almuhtaseb and Mr. Simon Madge, as they share their clinical expertise and real-world surgical strategies during the 2025 Online Cataract Surgery…

癌症研究中显微镜的历史、发展和趋势

癌症是一种全球性疾病,2020 年全球将新增 1800 万确诊病例,1000 万人死于癌症。预计到 2040 年,病例数将增加约 55%。研究了解癌症的发生、发展以及开发新的诊断工具和治疗方法至关重要。
小鼠成纤维细胞,F-肌动蛋白用 FITC 标记(绿色),微管蛋白用 Cy5 标记(红色),细胞核用 DAPI 标记(蓝色)。图片由德国海德堡马克斯-普朗克医学研究所 Günter Giese 博士提供。

荧光染料应用和特性概述

本文将介绍常用的荧光染料并概述其特性。荧光显微镜借助荧光染料、荧光蛋白或使用抗体的免疫荧光染色来研究特定的细胞成分。由于荧光剂种类繁多,荧光显微镜可用于检查蛋白质、核酸、聚糖、细胞器和其他细胞结构。

Researchers Insights: Microscopy in Cancer Research

Discover how imaging techniques are driving cancer research forward. In this issue, we present comprehensive multimodal studies using microscopy, as well as new directions in intraoperative cancer…
Leica Microsystems Life Science Product

Predictive Service Prevents Downtime in Ghent

At the VIB BioImaging Core in Ghent, Belgium, researchers depend on Leica’s Stellaris 8 confocal microscope to explore the frontiers of biomedical science. When Leica’s RemoteCare system detected a…
Zebrafish heart, DAPI (nuclei, blue), Tropomyosin (cardiomyocytes, red) and GFP (primordial cardiac layer, green). Courtesy of Anna Jazwinska, University of Fribourg, Switzerland.

显微镜中的荧光

荧光显微技术是一种特殊的光学显微镜技术。它利用的是荧光色素在一定波长的光激发下发光的能力。通过抗体染色或荧光蛋白标记,可以用这种荧光色素标记感兴趣的蛋白质。这样就可以确定单分子物种的分布、数量及其在细胞内的定位。此外,还可以进行共定位和相互作用研究,使用可逆结合染料(如 Ca2+ 和 fura-2)观察离子浓度,以及观察细胞的内吞和外吞过程。如今,利用荧光显微镜甚至可以对亚分辨率颗粒进行成像。
Some 2D measurements, e.g., lengths and areas, made on a PCB sample with a Leica measurement microscope using the Enersight software.

如何选择合适的测量显微镜

使用测量显微镜,用户可以测量样品特征的二维和三维尺寸,这对检测、质量控制、故障分析和研发&D 至关重要。然而,选择合适的显微镜需要评估应用需求以及显微镜的性能、易用性和灵活性。 如今,测量通常以数字方式进行,即使用带有摄像头和软件的显微镜,图像显示在显示器上,而不是通过目镜网线,从而提高了精度和可重复性。使用合适的测量显微镜可靠、快速地分析样品。
Example of calibrating a microscope at a higher magnification value using a stage micrometer.

显微镜测量校准:为什么要这样做?

显微镜校准可确保检测、质量控制 (QC)、故障分析和研发 (R&D) 所需的测量准确一致。本文介绍了校准步骤。使用参照物进行校准可使结果具有可重复性,并有助于确保与准则和标准一致。为了获得准确一致的结果,建议校准显微镜并定期检查。如有需要,可向校准专家寻求支持。
Optical microscope image, which is a composition of both brightfield and fluorescence illumination, showing organic contamination on a wafer surface. The inset images in the upper left corner show the brightfield image (above) and fluorescence image (below with dark background).

晶圆表面光刻胶残留与有机污染物可视化检测

随着半导体集成电路 (IC) 的尺寸缩小到 10 纳米以下,在晶圆检测过程中有效检测光刻胶残留物等有机污染物和缺陷变得越来越重要。光学显微镜仍是常用的检测方法,但对于有机污染而言,明视野和其他类型的照明都有其局限性。本文讨论了在半导体行业的质量控制、故障分析和研发&D 过程中,如何利用荧光显微镜有效检测晶片上的光刻胶残留物和其他有机污染物。
Image of magnetic steel taken with a 100x objective using Kerr microscopy. The magnetic domains in the grains appear in the image with lighter and darker patterns. A few domains are marked with red arrows. Courtesy of Florian Lang-Melzian, Robert Bosch GmbH, Germany.

Rapidly Visualizing Magnetic Domains in Steel with Kerr Microscopy

The rotation of polarized light after interaction with magnetic domains in a material, known as the Kerr effect, enables the investigation of magnetized samples with Kerr microscopy. It allows rapid…
Region of a patterned wafer inspected using optical microscopy and automated and reproducible DIC (differential interference contrast). With DIC users are able to visualize small height differences on the wafer surface more easily.

6 英寸晶片检测显微镜,可靠的观察微小高度差

本文介绍了一种 6 英寸晶圆检测显微镜,无论用户的技术水平如何,它都能自动进行可重复的 DIC(微分干涉对比)成像。集成电路 (IC) 芯片和半导体元件的制造需要晶圆检测,以确保不存在影响性能的缺陷。通常使用光学显微镜进行质量控制、故障分析和 R&D 检测。为了有效地观察晶圆上结构之间的微小高度差,可以使用 DIC。
Automated wafer loader using carbon fiber end-effectors for safer handling.

无需用手接触即可安全装载晶片,进行显微镜检测

本文介绍了用于显微镜检测的自动硅晶片装载如何帮助改进微电子工艺控制和生产效率。人工搬运晶圆很可能会损坏脆弱的晶圆表面,从而增加成本,而自动化搬运则能确保更安全、更具成本效益的生产。自动晶片装载机在显微镜检测和制造方面的优势概述如下。
Plastic reconstructive surgery with M530 OHX

肿瘤重建外科的进展

在肿瘤重建外科的决策和患者护理方面,近年来发生了显著的变化。新的外科辅助技术正在帮助外科医生突破可实现的界限。这些技术包括:符合人体工程学的外科显微镜、吲哚菁绿(ICG)荧光、切割导向器和 3D 打印、增强现实以及高倍放大、全高清目镜图像注入,以及 2D 和 3D 视频录制。
Image of burrs (red arrows) at the edge of a battery electrode acquired with a DVM6 digital microscope.

电池制造过程中的毛刺检测

毛刺是电池电极片边缘可能出现的缺陷,例如在制造过程中的分切环节。它们可能会因诸如短路等故障导致电池性能下降,并引发安全和可靠性问题。毛刺检测是电池生产质量控制的重要部分,对于生产具有可靠性能和寿命的电池至关重要。通过适当照明的光学显微镜可以在生产过程的关键步骤中快速可靠地对电极上的毛刺进行视觉检测。
Sectioning resin-embedded sambles

超薄切片技术电子书:定位、修块& 对刀

超薄切片技术正经历日新月异的发展,当今的显微镜系统对高质量切片、精准定位以及可重复的工作流程提出了更高要求。这本电子书整合了专家应用指南、自动化方法及实操指导,旨在帮助从初学者到资深镜检人员的每一位用户,在电镜、光电联用及体电镜工作流程中,获得一致且可靠的超薄切片。
Surgical incision in minimally invasive spine surgery (MISS) case. Image courtesy of Dr. A. Alfieri, Chief Physician & Head of Clinic of Neurosurgery & Spinal Surgery, Cantonal Hospital Winterthur, Switzerland.

Flexibility and Efficiency in Minimally Invasive Spine Surgery

According to Prof. Alex Alfieri, Chief Physician and Head of clinic for Neurosurgery and Spinal surgery at the Cantonal Hospital Winterthur, Minimally invasive spine surgery (MISS) is transforming…
Foraminifera (Ammonia confertitesta) labeled with membrane-permeable calcein, high-pressure frozen in salt water using EM ICE. The sample was cryo-planed and targeted with the M205 on the Cryo-Fluo Enuity, then transferred under cryo conditions to the Cryo-Stellaris for widefield and confocal imaging, revealing details of the staining pattern. Image courtesy: David Evans, University of Southampton.

High-Pressure Freezing for Organoids: Cryo CLEM & FIB Lift Out

Master cryo EM workflow steps for challenging 3D samples: when to choose HPF vs. plunge freezing, reproducible blotting/ice control, contamination aware transfers, Cryo CLEM 3D targeting in organoids,…
Virally labeled neurons (red) and astrocytes (green) in a cortical spheroid derived from human induced pluripotent stem cells. THUNDER Model Organism Imager with a 2x, 0.15 NA objective at 3.4x zoom was used to produce this 425 µm Z-stack (26 positions) which is presented here as an Extended Depth of Field (EDoF) projection. Images courtesy of Dr. F. Birey, Dr. S. Pasca laboratory, Palo Alto, CA.

活细胞成像指南

在生命科学各研究领域的广泛应用中,活细胞成像是一种不可或缺的工具,用于观察细胞在尽可能接近活体(即活的、活跃的)状态下的情况。本指南回顾了确保成功进行活细胞成像的各种重要注意事项,并介绍了各种旨在克服常见挑战的高性能解决方案。这些进展使我们能够对细胞生理学和动力学有新的认识。
OR picture in neurosurgery.

神经外科和眼科中的融合光学 - 更大三维聚焦区域

神经外科医生和眼科医生处理精细结构、深或狭窄的腔体以及具有至关重要功能的微小结构。因此,手术区域的清晰三维视图对手术结果和患者安全至关重要。到目前为止,增加景深以获得更大三维聚焦区域只能通过降低分辨率来实现。一项新技术能够克服这一挑战。
Shown is the DMi8 inverted microscope which is used for life-science research.

选择研究用显微镜时应考虑的因素

光学显微镜通常是生命科学研究实验室的核心设备之一。它可用于各种应用,揭示许多科学问题。因此,显微镜的配置和功能对其应用范围至关重要,从明视野显微镜到荧光显微镜,再到活细胞成像。本文简要概述了显微镜的相关功能,并总结了在选择研究用显微镜时应考虑的关键问题。
Electron microscope (EM) image of a cross section of C. elegans (roundworm). Courtesy of T. Müller-Reichert, MPI-CBG, Dresden, Germany and K. McDonald, University of California, Berkeley, USA.

高压冷冻简介

水是细胞最主要的组成部分,因此对于维持细胞超微结构至关重要。目前,冷冻固定是固定细胞成分,而不导致其显著结构变化的唯一途径。现阶段有两种常见的方法:投入冷冻与高压冷冻固定。

颌面整形与重建手术中的先进可视化技术

整形与重建手术要求极高。手术显微镜发挥着重要作用,能确保皮瓣血管化良好。 Dr. Christine Bach 是法国 Suresnes 地区 Foch 医院的整形与重建外科医生,专攻头颈部手术,为耳鼻喉癌症患者实施重建手术。
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