“Look up, I’m just going to drip oven cleaner into your eye.”
If you heard this from your doctor, you would probably run screaming from the consulting room. But drops containing a substance commonly used to polish glass and remove grease could be used to treat glaucoma.
Sudipta Seal at the University of Central Florida in Orlando was testing cerium oxide nanoparticles, or nanoceria, for use as a catalyst to remove grime from oven walls, when he realised they might have medical applications. “Before using any nanoparticles we have to check for toxicity,” he says. Surprisingly, not only did nanoceria…
