Abstract
Confocal microscopy is a simple, super-resolution technique, which does not produce a marked increase in resolution compared to other advanced techniques, such as super-resolution nanoscopy. Here, we present a simple protocol to acquire "slightly, but easily resolved" images by pinhole closure (<1 airy unit) in a conventional confocal scanning microscope equipped with an avalanche photodiode, a detector with high sensitivity. We use murine neuroblastoma Neuro2a cells to demonstrate the image resolution obtained via this protocol without the use of any special software to enhance image quality.
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