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!

Five-color FLIM-STED with One Depletion Laser

Webinar on five-color STED with a single depletion laser and fluorescence lifetime phasor separation.

A Versatile Palette of Fluorescent Probes

Researchers at the Max Planck Institute for Medical Research in Heidelberg have developed a general strategy to synthesize live-cell compatible fluorogenic probes, and the result are the new MaP (Max…

STED Sheds Insight on Mitochondrial Protein Synthesis

In this paper the authors have adapted a click chemistry-based method coupled with stimulated emission depletion nanoscopy (STED) to address these questions reporting that, in human cells in culture,…

STED imaging of mitochondria revealed cristae dynamics during fusion. A comparison of confocal (left) and STED (right) imaging.

Mitochondrial Dynamics Quantitatively Revealed by STED Nanoscopy

Mitochondria are vital subcellular organelles, which can generate energy to support the entire lifecycle of biological cells. However, conventional fluorescence microscopy cannot provide a high enough…

Benefits of Combining STED and Lifetime

In this interview, Professor Alberto Diaspro talks about the advantages of the White Light Laser and the TauSTED capabilities of STELLARIS 8 STED. He speaks about his experience with the confocal…

DNA Replication in Cancer Cells

DNA synthesis can be impeded by collisions between the DNA replication machinery and co-transcriptional R-loops leading to a major source of genomic instability in cancer cells. In this paper we…

Nanoscopy meets Lifetime: Introducing TauSTED

TauSTED combines the optical signals from STED and the photophysical information from the fluorescence lifetime at unprecedented speeds. This approach to STED uses phasor analysis in a novel way.…

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 TCS SP8 STED 3X nanoscope from Leica Microsystems. It…

Extending Nanoscopy Possibilities with STED and exchangeable fluorophores

When it comes to STED Nanoscopy, keeping high signal-to-noise is key to achieve the best possible resolution in fixed and living cells. This can be challenging in the case of experiments in 3D and/or…