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
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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 ...

dateFeb 21, 2013 in Nanomaterials
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To sun, or not to sun?

You ditched the baby oil with iodine ions ago, but you still have some burning questions about less-obvious sun no-no's. Now that spring is here and everyone's exposure time is likely to increase, get updated on the latest ...

dateApr 17, 2009 in Health
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Sunscreen can prevent melanoma

(PhysOrg.com) -- For the first time, researchers at the Queensland Institute of Medical Research (QIMR) have shown that daily sunscreen use can prevent melanoma in adults.

dateDec 09, 2010 in Cancer
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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 ...

dateAug 20, 2014 in Environment
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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
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