Knowledge Base

Have you ever wondered how superresolution microscopy works? What’s the difference between STED, STORM, and MINFLUX? What is “resolution” and what is a “PSF”? What is so special about the STEDYCON? Read on to find out.

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Everything about light microscopes, dyes, and imaging

What is the resolution of a STED microscope?

Merge of two images showing 2-color-labeld nuclear pores. The resolution of the image increases from left to right.

STED can far exceed the resolution of a standard confocal microscope, which is limited to about 200 nm by diffraction. A moderate resolution increase is readily achievable with standard protocols. Going all the way requires some effort, but the payoff is remarkable. Are you ready to unlock the nanoworld? Details >

How does STED work?

A donut-shaped STED beam confines the fluorescence to a sub-diffraction sized area

You have heard of STED but don’t have a clear idea how it overcomes the diffraction-limited resolution of confocal microscopes? You maybe even think it to be somewhat complicated? In fact, it isn’t. It’s just physics, smartly applied. Details >

What has to be inside a STED microscope to achieve superresolution? How does its hardware differ from a confocal setup? (Hint: Not very much.) And what does that mean for the user? (Many good things.) Is handling a STED system any more complicated than using a confocal? (Not really.) Important questions – here are some in-depth answers. Details >