An evaporating colloidal particle–laden droplet leaves behind a ring-like residue after drying. We routinely observe this ubiquitous phenomenon for dried coffee drops; thus, it is known as the "coffee ...

Get Instant Summarized Text (Gist) A perovskite-based catalyst, SrMn 1-x Ru x O 3, enables selective oxidation of sulfides to sulfones using molecular oxygen at 30°C with 99% selectivity ...

Graphene oxide, a two-dimensional aromatic scaffold decorated by oxygen-containing functional groups, possesses rich chemical properties and may present a green alternative to precious metal ...

This study systematically investigates the cytotoxicity evolution of protonated carbon nitride toward red blood cells and ...

Dr. Park Jun-woo's team successfully suppresses the dissolution of lithium polysulfides using CNT and oxygen functional groups. Developed a 1,000mAh-class high-capacity, large-area pouch-type ...

A smarter way to make sulfones: Using molecular oxygen and a functional catalyst. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 05 / 250509122010.htm ...

As a recent leap in green chemistry, scientists from Japan have unveiled a new catalyst that enables high yields of sulfones using molecular oxygen—close to room temperature. By fine-tuning the ...