Miniature Fluorescence Microscope Today in Nature Methods1

Miniature microscopes capture neurons in action

Scientists have developed a miniature fluorescence microscope small enough to implant in the head of a living mouse and gather images from its brain without hindering its movement. The 1.9-gram, 2.4-cubic-centimetre device is described today in Nature Methods1. The device has already yielded results. The authors, led by applied physicist Mark Schnitzer and electrical engineer

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