Science Lab

Science Lab

Science Lab

Bienvenue sur le portail de connaissances de Leica Microsystems. Vous y trouverez des recherches scientifiques et du matériel didactique sur le thème de la microscopie. Le portail aide les débutants, les praticiens expérimentés et les scientifiques dans leur travail quotidien et leurs expériences. Explorez les didacticiels interactifs et les notes d'application, découvrez les bases de la microscopie ainsi que les technologies de pointe. Faites partie de la communauté Science Lab et partagez votre expertise.

Primary Beam Splitting Devices for Confocal Microscopes

Current fluorescence microscopy employs incident illumination which requires separation of illumination and emission light. The classical device performing this separation is a color-dependent beam…
Dronpa chromophore

Photoactivatable, Photoconvertible, and Photoswitchable Fluorescent Proteins

Fluorescent proteins (FPs) such as GFP, YFP or DsRed are powerful tools to visualize cellular components in living cells. Nevertheless, there are circumstances when classical FPs reach their limits.…
Pinhole diameter and diffraction pattern.

Pinhole Effect in Confocal Microscopes

When operating a confocal microscope, or when discussing features and parameters of such a device, we inescapably mention the pinhole and its diameter. This short introductory document is meant to…
Comparison when observing a rodent model organism with a Greenough versus CMO (common main objective) stereo microscope for a task like surgery.

Rodent and Small-Animal Surgery

Learn how you can perform rodent (mouse, rat, hamster) and small-animal surgery efficiently with a microscope for developmental biology and medical research applications by reading this article.
Image Guided Surgery

Navigating Through the Brain

One of the challenges of neurosurgery is orientation at the surgical site. When resecting tumors, removing arteriovenous malformations, or clipping aneurysms, surgeons often have to work near healthy…
Left: Tissue cells marked with an immunolabel (FITC) illuminated with wide-band UV excitation. Note the tissue structure with blue autofluorescence. Right: Same tissue and same immunostaining with FITC label illuminated with epi-illumination using narrow-band blue (490 nm) light. Note the increased image contrast (Ploem, 1967)

Milestones in Incident Light Fluorescence Microscopy

Since the middle of the last century, fluorescence microscopy developed into a bio scientific tool with one of the biggest impacts on our understanding of life. Watching cells and proteins with the…
HeLa cells stimulated with LPS. Image has been subjected to deconvolution.

Chronic Inflammation Under the Microscope

In the course of chronic inflammation certain body areas are recurrently inflamed. This goes along with many human diseases. With the help of widefield light microscopy, the underlying processes can…
Wifi education solutions

Factors for Selecting Student Microscopes

If chosen carefully, educational microscopes will open windows to a cosmos of minute detail which delight young minds in schools and universities – and ideally keeps them fascinated enough to make…
Gene editing with Cas9

Gene Editing with CRISPR/Cas9 - Breakthrough in Genome Engineering

The CRISPR/Cas9 system is one of several different bacterial systems for defense against viral attacks. It consists of two main components. One is a small piece of RNA which binds to the viral target…
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