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Aug 31, 2022

Microscopy technique reveals hidden nanostructures in cells and tissues

Posted by in category: nanotechnology

Inside a living cell, proteins and other molecules are often tightly packed together. These dense clusters can be difficult to image because the fluorescent labels used to make them visible can’t wedge themselves in between the molecules.

MIT researchers have now developed a novel way to overcome this limitation and make those “invisible” molecules visible. Their technique allows them to “de-crowd” the molecules by expanding a cell or before labeling the molecules, which makes the molecules more accessible to fluorescent tags.

This method, which builds on a widely used technique known as previously developed at MIT, should allow scientists to visualize molecules and cellular structures that have never been seen before.

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