Science Lab

Bem-vindo ao portal de conhecimento da Leica Microsystems. Você encontrará pesquisas científicas e material didático sobre o tema microscopia. O portal oferece suporte a iniciantes, profissionais experientes e cientistas em seus trabalhos e experimentos diários. Explore tutoriais interativos e notas de aplicação, descubra os fundamentos da microscopia, bem como as tecnologias de ponta. Faça parte da comunidade do Science Lab e compartilhe sua experiência.

Infinity Optical Systems

“Infinity Optics” refers to the concept of a beam path with parallel rays between the objective and the tube lens of a microscope. Flat optical components can be brought into this “Infinity Space”…

Imaging of Host Cell-bacteria Interactions using Correlative Microscopy under Cryo-conditions

Pathogenic bacteria have developed intriguing strategies to establish and promote infections in their respective hosts. Most bacterial pathogens initiate infectious diseases by adhering to host cells…

Life Science Imaging with DVM6 Digital Microscope

Digital microscopes can be a great help in life science applications such as the documentation in botany, entomology studies and crop science, or the digitization of museum collections. The image…

Cataract Surgery with CoAx4 Illumination

A stable red reflex is one of the most important features of an ophthalmic surgical microscope for cataract surgery. It’s the red reflex that makes the structure of the lens visible and thus makes for…

A 17th-century compound microscope (© Golub Collection – University of California, Berkeley/Steven Ruzin, Curator)

A Brief History of Light Microscopy

The history of microscopy begins in the Middle Ages. As far back as the 11th century, plano-convex lenses made of polished beryl were used in the Arab world as reading stones to magnify manuscripts.…

From Light to Mind: Sensors and Measuring Techniques in Confocal Microscopy

This article outlines the most important sensors used in confocal microscopy. By confocal microscopy, we mean "True Confocal Scanning", i.e. the technique that illuminates and measures one single…

Workflows & Protocols: How to Use a Leica Laser Microdissection System and Qiagen Kits for Successful RNA Analysis

Laser Microdissection (LMD) allows isolating individual cells or chromosomes and is a well established technique for sample preparation prior downstream analysis of the nucleic acid content via PCR or…

What You Always Wanted to Know About Digital Microscopy, but Never Got Around to Asking

Digital microscopy is one of the buzz words in microscopy – and there are a couple of facts that are useful to know. Georg Schlaffer, Product Manager with Leica Microsystems, has often been asked…

Schematic graph of the light path in a Spalt-Ultramikroskop.

Confocal and Light Sheet Imaging

Optical imaging instrumentation can magnify tiny objects, zoom in on distant stars and reveal details that are invisible to the naked eye. But it notoriously suffers from an annoying problem: the…