Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University ...
Materials Science
Oct 14, 2021
3
4088
An international collaboration of scientists has taken a significant step toward the realization of a nearly "green" zero-net-carbon technology that will efficiently convert carbon dioxide, a major greenhouse gas, and hydrogen ...
Materials Science
Sep 10, 2021
2
82
Both nitric oxide (NO) and hydrogen sulfide (H2S) act as gaseous signaling molecules with similar physiological effects. Many of the critical questions about the interplay between these two gasotransmitters hinge on their ...
Biochemistry
Aug 25, 2021
0
230
The current commercial production of methanol through the hydrogenation of the green-house gas CO2 relies on a catalyst consisting of copper, zinc oxide and aluminum oxide. Even though this catalyst has been used for many ...
Materials Science
Mar 4, 2021
0
16
Every year, over a million people develop health care-acquired infections during their hospital stays. And around 100,000 of them die from those complications.
Bio & Medicine
Dec 18, 2020
0
41
People can continue using mineral-based aerosol sunscreens without fear of exposure to dangerous levels of nanoparticles or other respirable particulates, according to Penn State research published in the journal Aerosol ...
Bio & Medicine
Dec 2, 2020
0
155
On the way to a CO2-neutral economy, we need to perfect a whole range of technologies—including the electrochemical extraction of hydrogen from water, fuel cells, or carbon capture. All these technologies have one thing ...
Materials Science
Nov 24, 2020
0
19
Though we usually think of ethanol as fuel for the gas tank, it can also be transformed into valuable chemicals that could help replace a variety of petroleum-based products beyond just gasoline. However, evolving ethanol ...
Materials Science
Nov 10, 2020
1
2537
A process developed at KAUST for depositing extremely thin and smooth films can make it easier to manufacture stable solar cells based on quantum dot technology.
Materials Science
Sep 21, 2020
0
142
Methanol is one of the most important basic chemicals used, for example, to produce plastics or building materials. To render the production process even more efficient, it would be helpful to know more about the copper/zinc ...
Materials Science
Aug 4, 2020
0
25
