Search results for deuterated water

Astronomy Apr 23, 2026

3I/ATLAS contains 30 times more semi-heavy water than comets in our solar system

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water relative to ordinary water in an interstellar object. Astronomers using the Atacama Large Millimeter/submillimeter ...

Biochemistry Mar 25, 2026

Scalable flow chemistry speeds deuteration of fatty acids with tunable isotope selectivity

The National Deuteration Facility has developed a capability to use a flow chemistry process to increase efficiency, increase production capacity and reduce decomposition in the synthesis of deuterated molecules.

Analytical Chemistry Nov 25, 2025

When substrates dictate the route: Deuterium source reshapes hydrogen isotope exchange pathways

A collaboration between the groups of Professor Mónica H. Pérez-Temprano at the Institute of Chemical Research of Catalonia (ICIQ) and Professor Anat Milo at Ben-Gurion University of the Negev has uncovered how the characteristics ...

Astrobiology Oct 15, 2025

First-ever detection of 'heavy water' in a planet-forming disk

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even Earth—is older than the disk's star itself, offering breakthrough insights into the history of water in ...

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⁺) and hydroxide (OH⁻) ions is driven by electron transfer rather than the proton ...

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—ethanol, acetic acid and formic acid.

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