(Phys.org)—Creating 3D visualizations of hydrogen atoms in proteins is especially challenging, often requiring their locations to be inferred from those of nearby carbon, nitrogen, oxygen or sulfur atoms stored in protein ...
Nitrogen, an element that is essential for all living cells, makes up about 78 percent of Earth's atmosphere. However, most organisms cannot make use of this nitrogen until it is converted into ammonia. Until humans invented ...
Materials Science
May 27, 2021
0
136
Organic compounds called thiophenes are found on Earth in coal, crude oil and oddly enough, in white truffles, the mushroom beloved by epicureans and wild pigs.
Space Exploration
Mar 5, 2020
36
5483
(Phys.org) —Chemical engineers at Stanford have designed a catalyst that could help produce vast quantities of pure hydrogen through electrolysis – the process of passing electricity through water to break hydrogen loose ...
Materials Science
Nov 6, 2014
17
2
Rice University scientists who want to gain an edge in energy production and storage report they have found it in molybdenum disulfide.
Nanomaterials
Nov 4, 2014
1
0
(Phys.org) —Geologists who analyzed 40 meteorites that fell to Earth from Mars unlocked secrets of the Martian atmosphere hidden in the chemical signatures of these ancient rocks. Their study, published April 17 in the ...
Space Exploration
Apr 16, 2014
0
0
There has been great interest in recent years in using tiny particles called quantum dots to produce low-cost, easily manufactured, stable photovoltaic cells. But, so far, the creation of such cells has been limited by the ...
Nanophysics
May 24, 2013
2
0
For the first time in history, a change will be made to the atomic weights of some elements listed on the Periodic table of the chemical elements posted on walls of chemistry classrooms and on the inside covers of chemistry ...
Materials Science
Dec 15, 2010
11
1
(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced sulfur dioxide ...
Earth Sciences
Apr 16, 2009
2
0
Certain types of peptides and microproteins for drug discovery research can be made more efficiently and quickly using a reaction solvent that helps mimic nature's way.
Biochemistry
Mar 22, 2024
0
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