Studies on the NMR methodology for characterizing the structure of polymers and biopolymers based on the understanding of the NMR chemical shift/structure correlation using solution-state and ...

Solution-state nuclear magnetic resonance (NMR) spectroscopy is the classical NMR spectroscopy approach used for molecular structure determination, where the experimental sample is studied while ...

A novel dynamic [3]catenane consisting of a large four-station central macrocycle which incorporates a bay tetrachloro-functionalized perylene diimide (PDI) unit and two triazolium anion-binding ...

Rick Tsai, a chiropractor and 30-year resident of East Palestine, Ohio, joins NewsNation after sharing a video of chemical residue in local creeks and testing water that showed toxic levels of ...

Evidence for Si–H activation is provided by the 1 H NMR spectrum of triethylsilane, Figure 2, where the Si–H signal shows coalescence after the addition of 0.10 mol % 1a. Figure 2 Time-dependent 1 H ...

Scientists have identified a new source of energetic particles near the Sun. These definitive observations were made by instruments aboard NASA's Parker Solar Probe, which detected the powerful ...

The four executive orders recently signed by President Trump help to address the growth of the U.S. nuclear-energy sector in domestic power generation, but it’ll be a challenge for the nation to ...

The 1983 ABC movie “The Day After” was a landmark moment that proved contentious even before it aired, as a new documentary shows. By Alissa Wilkinson When you purchase a ticket for an ...

CAIRO (Reuters) -International Atomic Energy Agency (IAEA) chief Rafael Grossi said Iranians warned him that an Israel strike on the country's nuclear facilities could cause Iran to be more ...

In the 1970s, the Shah of Iran—then a close U.S. ally—poured Tehran’s massive oil revenues into an ambitious nuclear program. In June 1974, Iran signed a $4 billion deal with France to ...

Iran demands sanctions relief guarantee in nuclear talks with US. Washington has not been clear on ‘how and through what mechanism’ sanctions would be lifted, says Tehran.