Slide 1 of 10, A picture showing a microscope an onion and glass slides., Click to see a step-by-step slideshow.

On the Job Using a microscope to diagnose, cure disease By Cindy Atoji Keene Globe Correspondent,May 26, 2013, 12:00 a.m.

Instead of using expensive, high-resolution microscopes to improve the resolution, they developed one-step nanoscale expansion (ONE) microscopy.