News tagged with sunscreens

For perfect nano-crystals, just add water

A simplified technique to fabricate nano-crystals of cerium dioxide (CeO2), which have wide-ranging technological and industrial applications, has been "unexpectedly" demonstrated by a UNSW chemist.

dateJul 10, 2013 in Nanomaterials
shares0 comments 0

Titanium dioxide nanoreactor

Tiny particles of titanium dioxide are found as key ingredients in wall paints, sunscreens, and toothpaste; they act as reflectors of light or as abrasives. However with decreasing particle size and a corresponding change ...

dateFeb 21, 2013 in Nanomaterials
shares0 comments 0

Sunblock poses potential hazard to sea life

The sweet and salty aroma of sunscreen and seawater signals a relaxing trip to the shore. But scientists are now reporting that the idyllic beach vacation comes with an environmental hitch. When certain sunblock ingredients ...

dateAug 20, 2014 in Environment
shares0 comments 5

How to count nanoparticles

Nanoparticles of a substance can be counted and the size distribution can be determined by dispersing the nanoparticles into a gas. But some nanoparticles tend to aggregate when the surrounding conditions change. Scientists ...

dateOct 11, 2011 in Bio & Medicine
shares0 comments 0