When photosynthetic cells absorb light from the sun, packets of energy called photons leap between a series of light-harvesting proteins until they reach the photosynthetic reaction center. There, cells convert the energy ...
Biochemistry
Jul 3, 2023
0
4533
(Phys.org) —Water is rarely pure; instead, it often contains dissolved ions or is mixed with other liquids. Scientists can change the composition of water by separating its mixtures, which is most commonly performed by ...
Chemists have found a new use for the waste product of nuclear power—transforming an unused and stockpile into a versatile compound which could be used to create valuable commodity chemicals as well as new energy sources.
Materials Science
Jan 10, 2020
40
4674
In addition to antibodies and white blood cells, the immune system deploys peptides to fight viruses and other pathogens. Synthetic peptides could reinforce this defense but don't last long in the body, so researchers are ...
Biochemistry
Aug 24, 2021
0
3004
Researchers at the University of Sheffield have developed a new compound that is able to kill both gram-positive and gram-negative antibiotic-resistant bacteria.
Biochemistry
Sep 4, 2020
0
4114
Hydrogen is one of the most important fuels of the future, and the sun will be one of our most important sources of energy. Why not combine the two to produce hydrogen directly from solar energy without any detours involving ...
Sep 25, 2007
0
0
In 2015, American consumers will finally be able to purchase fuel cell cars from Toyota and other manufacturers. Although touted as zero-emissions vehicles, most of the cars will run on hydrogen made from natural gas, a fossil ...
Materials Science
Aug 22, 2014
116
3
An electrochemical reaction that splits apart water molecules to produce oxygen is at the heart of multiple approaches aiming to produce alternative fuels for transportation. But this reaction has to be facilitated by a catalyst ...
Materials Science
Feb 25, 2022
9
1396
Textbook models will need to be re-drawn after a team of researchers found that water molecules at the surface of salt water are organized differently than previously thought.
Analytical Chemistry
Jan 15, 2024
3
408
Art curators will be able to recover images on daguerreotypes, the earliest form of photography that used silver plates, after a team of scientists led by Western University learned how to use light to see through degradation ...
Other
Jun 22, 2018
0
749
