Biowissenschaften

Biowissenschaften

Biowissenschaften

Hier können Sie Ihr Wissen, Ihre Forschungsfähigkeiten und Ihre praktischen Anwendungen der Mikroskopie in verschiedenen wissenschaftlichen Bereichen erweitern. Erfahren Sie, wie Sie präzise Visualisierung, Bildinterpretation und Forschungsfortschritte erzielen können. Hier finden Sie aufschlussreiche Informationen über fortgeschrittene Mikroskopie, Bildgebungsverfahren, Probenvorbereitung und Bildanalyse. Zu den behandelten Themen gehören Zellbiologie, Neurowissenschaften und Krebsforschung mit Schwerpunkt auf modernsten Anwendungen und Innovationen.
Area of a printed circuit board (PCB) which was imaged with extended depth of field (EDOF) using digital microscopy.

Depth of Field in Microscope Images

For microscopy imaging, depth of field is an important parameter when needing sharp images of sample areas with structures having significant changes in depth. In practice, depth of field is…
These images show the microstructure of a hard metal with 10% cobalt which is used for heavy-duty tools. The large increase in magnification of the right image (compared to the left) has a risk of being outside the useful range or, in other words, empty magnification.

What is Empty Magnification and How can Users Avoid it

The phenomenon of “empty magnification”, which can occur while using an optical, light, or digital microscope, and how it can be avoided is explained in this article. The performance of an optical…

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.
Intensity distribution (arbitrary color coding) of an image of two points where the distance between them corresponds to the Rayleigh criterion.

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…
Steps of Koehler Illumination

Koehler Illumination: A Brief History and a Practical Set Up in Five Easy Steps

In this article, we will look at the history of the technique of Koehler Illumination in addition to how to adjust the components in five easy steps.
Angular aperture

Collecting Light: The Importance of Numerical Aperture in Microscopy

Numerical aperture (abbreviated as ‘NA’) is an important consideration when trying to distinguish detail in a specimen viewed down the microscope. NA is a number without units and is related to the…

Optimization of the Interplay of Optical Components for Aberration Free Microscopy

Optical microscopes are used to magnify objects which are otherwise invisible for the human eye. For this purpose high quality optics is necessary to achieve appropriate resolution. However, besides…
Schematic of the focal point

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…
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