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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!
Multicolor TauSTED Xtend 775 for Cell Biology applications that require nanoscopy resolution for multiple cellular components. Cells showing vimentin fibrils (AF 594), actin network (ATTO 647N), and nuclear pore basket (CF 680R). Sample courtesy of Brigitte Bergner, Mariano Gonzales Pisfil, Steffen Dietzel, Core Facility Bioimaging, Biomedical Center, Ludwig-Maximilians-University, Munich, Germany.

The Guide to STED Sample Preparation

This guide is intended to help users optimize sample preparation for stimulated emission depletion (STED) nanoscopy, specifically when using the STED microscope from Leica Microsystems. It gives an…

Studying Virus Replication with Fluorescence Microscopy

The results from research on SARS-CoV-2 virus replication kinetics, adaption capabilities, and cytopathology in Vero E6 cells, done with the help of fluorescence microscopy, are described in this…
Cell counts for each biomarker were divided by total number of cells to give a percentage of biomarker positive cells out of total cells for each biomarker.

Methods to Improve Reproducibility in Spatial Biology Research

Establish reproducibility results for a Cell DIVE multiplexed imaging study in cancer research using the BAB 200 automated system from ASLS and validated antibodies from CST
PDAC Multiplexed imaging of CST panels enables an examination of immune cell components in pancreatic ductal adenocarcinoma (IPDAC) tissue on a single slide.

Characterizing tumor environment to reveal insights and spatial resolution

Antibodies from Cell Signaling Technology are validated for use with the Cell DIVE multiplexing workflow and used to probe cell lineages in the tumor microenvironment
Pancreatic ductal adenocarcinoma tissue section imaged with Cell DIVE

Multiplexed Imaging Types, Benefits and Applications

Multiplexed imaging is an emerging and exciting way to extract information from human tissue samples by visualizing many more biomarkers than traditional microscopy. By observing many biomarkers…
Pancreatic ductal adenocarcinoma tissue section imaged with Cell DIVE showing 30 biomarkers

Multiplexed Imaging Glossary

Human tissues contain a many different biomarkers which can be explored to reveal the workings of biological pathways and interrogate disease states. Recent technological advances have made it…
Normal skin imaged with Cell DIVE, 11 biomarkers shown.

Tumor MHC Expression and Intralesional IL2 Response in Melanoma

Genomics profiling and Cell DIVE multiplex imaging allows researchers to understand the immune cell phenotypes that most strongly predict response to IL2 immunotherapy in melanoma patients suffering…

How to Prepare your Specimen for Immunofluorescence Microscopy

Immunofluorescence (IF) is a powerful method for visualizing intracellular processes, conditions and structures. IF preparations can be analyzed by various microscopy techniques (e.g. CLSM,…

Fluorescent Dyes

A basic principle in fluorescence microscopy is the highly specific visualization of cellular components with the help of a fluorescent agent. This can be a fluorescent protein – for example GFP –…
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