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Science Lab

Science Lab

Science Lab

The knowledge portal of Leica Microsystems offers scientific research and teaching material on the subjects of microscopy. The content is designed to support beginners, experienced practitioners and scientists alike in their everyday work and experiments. Explore interactive tutorials and application notes, discover the basics of microscopy as well as high-end technologies – become part of the Science Lab community and share your expertise!
Camera image during auto alignment. The feedback lines indicate if the correct edges in the image are detected. Green: Vertical center line; Magenta: Upper edge of the light gap; White: Lower edge of the light gap (not visible here, falling together with red line); Red: Knife edge; Blue: Left and right edge of the block face being automatically detected.

Automatic Alignment of Sample and Knife for High Sectioning Quality

Automatic alignment of sample and knife on the ultramicrotome UC Enuity, enabling even untrained users to create ultrathin sections with reduced risk of losing precious sections.
Section ribbons with increasing section thickness - silver to purple ending in blue sections.

High Quality Sectioning in Ultramicrotomy

Discover the significance of achieving high-quality uniform sections with ultramicrotomy for precise imaging in electron microscopy.
Water Flea Daphnia imaged by Electron Microscopy. Courtesy of Mag. Dr. Gruber, University of Vienna, Austria

Streamline your EM Sample Preparation Workflow for Biological Applications

Master EM sample preparation, including ultramicrotomy, for life sciences in this expert eBook!
Material sample with a large height, size, and weight being observed with an inverted microscope.

Five Inverted-Microscope Advantages for Industrial Applications

With inverted microscopes, you look at samples from below since their optics are placed under the sample, with upright microscopes you look at samples from above. Traditionally, inverted microscopes…
Image of an integrated-circuit (IC) chip cross section acquired at higher magnification showing a region of interest.

Structural and Chemical Analysis of IC-Chip Cross Sections

This article shows how electronic IC-chip cross sections can be efficiently and reliably prepared and then analyzed, both visually and chemically at the microscale, with the EM TXP and DM6 M LIBS
EBSD grain size distribution of the cross section of a gold wire within a silicon matrix from inside a CPU (central processing unit of a computer). The grains are highlighted with arbitrary colors.

High-Quality EBSD Sample Preparation

This article describes a method for EBSD sample preparation of challenging materials. The high-quality samples required for electron backscatter diffraction are prepared with broad ion-beam milling.
Micrograph of dinoflagellate cells. Scale bar = 1 µm.

How Marine Microorganism Analysis can be Improved with High-pressure Freezing

In this application example we showcase the use of EM-Sample preparation with high pressure freezing, freeze substiturion and ultramicrotomy for marine biology focusing on ultrastructural analysis of…
Projection of a confocal z-stack. Sum159 cells, human breast cancer cells kindly provided by Ievgeniia Zagoriy, Mahamid Group, EMBL Heidelberg, Germany. Blue–Hoechst - indicates nuclei, Green–MitoTracker mitochondria, and red–Bodipy - lipid droplets

New Imaging Tools for Cryo-Light Microscopy

New cryo-light microscopy techniques like LIGHTNING and TauSense fluorescence lifetime-based tools reveal structures for cryo-electron microscopy.
Correlation of markers in the LM and the FIB image.

How to Target Fluorescent Structures in 3D for Cryo-FIB Milling

This article describes the major steps of the cryo-electron tomography workflow including super-resolution cryo-confocal microscopy. We describe how subcellular structures can be precisely located in…
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