Leica Microsystems: Science Lab

Science Lab

Das Wissensportal von Leica Microsystems bietet Ihnen Wissens- und Lehrmaterial zu den Themen der Mikroskopie. Die Inhalte sind so konzipiert, dass sie Einsteiger, erfahrene Praktiker und Wissenschaftler gleichermaßen bei ihrem alltäglichen Vorgehen und Experimenten unterstützen. Entdecken Sie interaktive Tutorials und Anwendungsberichte, erfahren Sie mehr über die Grundlagen der Mikroskopie und High-End-Technologien - werden Sie Teil der Science Lab Community und teilen Sie Ihr Wissen!

Image of an onion flake taken with a basic Leica compound microscope after it was tested for resistance to fungus and mold growth following part 11 of the ISO 9022 standard.

ISO 9022 Standard Part 11 - Testing Microscopes with Severe Conditions

This article describes a test to determine the robustness of Leica microscopes to mold and fungus growth. The test follows the specifications of the ISO 9022 part 11 standard for optical instruments.

Immersion Objectives

How an immersion objective, which has a liquid medium between it and the specimen being observed, helps increase the numerical aperture and microscope resolution is explained in this article.

Intensitätsverteilung (willkürliche Farbkodierung) eines Bildes von zwei Punkten, bei denen der Abstand zwischen ihnen dem Rayleigh-Kriterium entspricht.

Mikroskopische Auflösung: Konzepte, Faktoren und Berechnungen

Dieser Artikel erklärt in einfachen Worten mikroskopische Auflösungskonzepte wie die Airy-Scheibchen, das Abbe-Limit, das Rayleigh-Kriterium und der Halbwertsbreite (FWHM). Außerdem wird der…

How to Sanitize a Microscope

Due to the current coronavirus pandemic, there are a lot of questions regarding decontamination methods of microscopes for safe usage. This informative article summarizes general decontamination…

Digital Classroom Options

As teachers, you know your big challenge is to catch and keep the students’ attention and the best chance for this is by making the environment interactive. In the case of the Microscopy Classroom, we…

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…

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.…

Optical Microscopes – Some Basics

The optical microscope has been a standard tool in life science as well as material science for more than one and a half centuries now. To use this tool economically and effectively, it helps a lot to…