The chemical precursors of present-day biomolecules could have formed not only in the deep sea at hydrothermal vents, but also in warm ponds on the Earth's surface. The chemical reactions that may have occurred in this "primordial ...
Biochemistry
Jun 23, 2022
0
204
A catalyst is a key ingredient for many chemical reactions. It facilitates a molecule to change into another molecule, without being changed itself, meaning it can be used multiple times. However, many catalysts are made ...
Materials Science
Jun 2, 2022
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132
Hydrogen fuel cells convert hydrogen to electricity with water vapor as the only by-product, making them an attractive green alternative for portable power, particularly for vehicles.
Materials Science
Apr 25, 2022
1
115
What happens when a cat climbs onto a sunflower? The sunflower is unstable, will quickly bend, and the cat will fall to the ground. However, if the cat only needs a quick boost to catch a bird from there, then the sunflower ...
Analytical Chemistry
Apr 4, 2022
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31
Diamonds aren't just glittery, sparkly gems for jewelry. The smallest ones, only a few nanometers wide, are also crucial for drug delivery, sensors and quantum computer processors. Producing diamond nanoparticles that are ...
Nanomaterials
Mar 23, 2022
0
30
Iron that rusts in water theoretically shouldn't corrode in contact with an "inert" supercritical fluid of carbon dioxide. But it does.
Materials Science
Jan 21, 2022
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356
In a number of biological processes, iron–sulfur clusters play a vital role, where they act as cofactors to enzymes. Research published in Angewandte Chemie now shows that cubic clusters can support unusual bonding states. ...
Analytical Chemistry
May 3, 2021
0
19
The high cost of platinum catalysts used in hydrogen fuel cells limits the commercialization of fuel cell electric vehicles. Scientists are studying alternative catalysts to increase cost-effectiveness and maintain efficiency ...
Materials Science
May 21, 2020
1
1914
A team of researchers from Plex Corporation, Bruker Scientific LLC and Harvard University has found evidence of a protein inside of a meteorite. They have written a paper describing their findings and have uploaded it to ...
Photosensitizers are molecules that absorb sunlight and pass that energy along to generate electricity or drive chemical reactions. They're generally based on rare, expensive metals; so the discovery that iron carbenes, with ...
Condensed Matter
Feb 6, 2020
0
476
