Science Lab

Science Lab

Science Lab

Bienvenido al portal de conocimiento de Leica Microsystems. Aquí encontrará investigación científica y material didáctico sobre el tema de la microscopía. El portal ayuda a principiantes, profesionales experimentados y científicos por igual en su trabajo diario y en sus experimentos. Explore tutoriales interactivos y notas de aplicación, descubra los fundamentos de la microscopía, así como las tecnologías de gama alta. Forme parte de la comunidad Science Lab y comparta sus conocimientos.
Alexander von Inostranzeff (1843–1919)

125 Years of Comparison Microscopy

To be able to optically compare two objects with scientific accuracy, it must be possible to view them at the same time. This is particularly true for comparing small objects that can only be…
Acousto-optics, sketch

Acousto Optics in True Confocal Spectral Microscope Systems

Acousto-optical elements have successfully replaced planar filters in many positions. The white confocal, regarded as the fully spectrally tunable confocal microscope, was not possible without this…

Nobel Prize 2013 in Physiology or Medicine for Discoveries of the Machinery Regulating Vesicle Traffic

On October 7th 2013, The Nobel Assembly at Karolinska Institutet has decided to award The Nobel Prize in Physiology or Medicine 2012 jointly to James E. Rothman, Randy W. Schekman and Thomas C. Südhof…

Thermodynamic Considerations Regarding the LN2 in a High Pressure Freezer

Employing liquid nitrogen (LN2) as a coolant in the complex process of high pressure freezing raises certain considerations regarding phase transition not only of the liquid sample to be frozen but…

Carbon Thickness Evaluation in Electron Microscopy

The coating layers applied and used for electron microscopy imaging are commonly controlled and measured by quartz crystals. These crystals oscillate with a certain frequency (around 6 megahertz when…

Spectral Detection – How to Define the Spectral Bands that Collect Probe-specific Emission

To specifically collect emission from multiple probes, the light is first separated spatially and then passes through a device that defines a spectral band. Classically, this is a common glass-based…
Forensics microscopy

Every Clue Counts – Forensics Inconceivable Without Microscopy

There is no crime without clues. They may be obvious, like a cartridge case at the scene of the crime or clear signs of crowbar damage on a door. But sometimes, clues are microscopically small.…

Perusing Alternatives for Automated Staining of TEM Thin Sections

Contrast in transmission electron microscopy (TEM) is mainly produced by electron scattering at the specimen: Structures that strongly scatter electrons are referred to as electron dense and appear as…
QTM B, 1963, the first commercial automated image analysis system for microscope images, based on a TV camera and developed by Metals Research in Cambridge, England.

50 Years of Image Analysis

Modern image analysis systems perform highly sophisticated image processing functions on images from an automated microscope and digital camera. 50 years ago, the first image analysis system was…
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