Techniques / Microscopy & Imaging

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Article

Can You Stand the Cold? Cryosectioning for Beginners

Before you can perform histology on your tissue samples – you need to prep them. This means you must fix them, embed them and section them into thin slices for analysis. A great way to slice your tissues is...
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Article

Microscopy – a Numbers Game

While the microscope is synonymous with biology, it is a child of physics and technology. When we learn about the microscope we learn physics—specifically, we learn about optics. Many great resources are...
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Article

The Art and Science of Figure Creation: Think BIG to see Small

There are those of us who began our careers literally in the dark. Yes, there was a time and not that long ago, that all figures had to be on film. Slide presentations were slides. Micrographs were, well,...
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Article

Halogen vs LED Lighting in Digital Microscopy

When it comes to light sources for microscopy, there is really no such thing as the “best.” The type of light source you use depends on the system you are working with and the type of result that you want....
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Challenges of Autofluorescence in Neuroscience

If you have ever imaged biological samples, you have likely encountered autofluorescence. That pesky background coloration you see under the microscope, which can make it difficult to distinguish your actual...
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Article

How to Maintain Live Cells on a Microscope Stage

Are you preparing to set up live cell imaging experiments? You’ve got all your cell lines, antibodies, reagents, and protocol ready. You just want to wake up in the morning and enter into that dark room....
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Article

How to Quantify Images in an Unbiased Way

Microscopists like to say that seeing is believing. The so-called belief in this context is a product of highly experienced imagination, which raises a concern about the objectivity. To remain objective, we try...
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Controlling Color Image Quality in Microscopy: Start at the Beginning

The only constant with microscopy imaging is variability in both color and image quality. You only need to look at images in journal articles, posters, around your laboratory, or compare your images with a...
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Article

Quick and Easy Automatic Cell Counting

Are you wondering how on earth you’re going to count thousands of cells across a stack of images? Well, I’m going to show you a simple method for automatic cell counting with ImageJ. For those of you...
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Three-Dimensional Scanning Electron Microscopy for Biology

Scanning electron microscopy (SEM) is a powerful technique, traditionally used for imaging the surface of cells, tissues and whole multicellular organisms (see An Introduction to Electron Microscopy for...
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