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Search results for deuterated water

Astronomy Jun 16, 2025

Semi-heavy water ice detected around young sunlike star for first time

A team led by astronomers at Leiden University in the Netherlands and the National Radio Astronomy Observatory in Virginia (U.S.) have, for the first time, robustly detected semi-heavy water ice around a young sunlike star. ...

Analytical Chemistry Mar 25, 2025

New study uncovers key pathways in hydronium and hydroxide ion neutralization

A new study provides fresh insight into traditional acid-base chemistry by revealing that the mutual neutralization of isolated hydronium (H3O鈦) and hydroxide (OH鈦) ions is driven by electron transfer rather than the ...

Bio & Medicine Dec 11, 2024

Drug-free pain relief: Solvent molecules offer non-addictive alternative

Researchers have made a discovery regarding the TRPV1 (transient receptor potential vanilloid 1) ion channel and its role in pain perception. The study reveals how solvent molecules can modulate pain signals, offering a potential ...

Biochemistry Oct 14, 2024

Observing the mechanism of protonation site switching in hydrated nicotine

Proton transfer is central to numerous important systems, from biology to energy storage. Probing the details of proton transfer reactions can provide insight into how to control these processes.

Planetary Sciences Aug 20, 2024

Astronomers discover spectacular increase in the deuterium to hydrogen ratio in Venus's atmosphere

Thanks to observations by the Solar Occultation in the Infrared (SOIR) instrument on the Venus Express space probe of the European Space Agency (ESA), researchers have discovered an unexpected increase in the abundances of ...

Analytical Chemistry May 21, 2024

New catalyst transforms carbon dioxide from industrial emissions into commonly used chemicals

A low-cost, tin-based catalyst can selectively convert carbon dioxide to three widely produced chemicals鈥攅thanol, acetic acid and formic acid.

Planetary Sciences Jan 17, 2023

A hybrid fission/fusion reactor could be the best way to get through the ice on Europa

In the coming years, NASA and the European Space Agency (ESA) will send two robotic missions to explore Jupiter's icy moon Europa. These are none other than NASA's Europa Clipper and the ESA's Jupiter Icy Moons Explorer (JUICE), ...

Analytical Chemistry Dec 21, 2022

Neutron experiments reveal what maintains good function in bones

Around 500 million years ago, early vertebrates in the seas became fish, adopting an inner skeleton and a flexible spine based on a nanocomposite of fibers and mineral, known as bone material. This "invention" of evolution ...

Planetary Sciences Dec 16, 2022

Earth's water is 4.5 billion years old, says new study

The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water got here, and lots of evidence supporting them.

Biochemistry Dec 15, 2022

Simplifying a method that prevents premature degradation of drugs in the body

What people ingest is broken down biochemically by the organism in the metabolism: valuable substances are digested, less essential ones are discarded and excreted. In the case of drugs, this degradation sometimes begins ...

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