A significant advancement in molecular engineering has produced a large, hollow spherical shell nanostructure through the self-assembly of peptides and metal ions, report researchers from Japan. This dodecahedral link structure, measuring 6.3 nanometers in diameter, was achieved by combining geometric principles derived from knot theory and graph theory with peptide engineering. The resulting structure demonstrates remarkable stability while featuring a large inner cavity suitable for encapsulating macromolecules, opening pathways for producing complex artificial virus capsids.

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 structure of oxygen vacancies in perovskite oxide catalysts, the researchers successfully reduced the reaction temperature from 80–150°C to nearly 30°C, offering improved energy efficiency. The study marks a significant milestone in advancing complex sulfide oxidation reactions, offering sustainability with excellent efficiency.

In the absence of air, microorganisms produce hydrogen using an enzyme called [FeFe]-hydrogenase, one of the most efficient hydrogen-producing biocatalysts known and a promising tool for green hydrogen energy. However, these enzymes are rapidly destroyed when exposed to air, which has so far limited their industrial use. Joint efforts led by scientists from the Photobiotechnology group and the Center for Theoretical Chemistry at Ruhr University Bochum, Germany, isolated a new type of oxygen-stable [FeFe]-hydrogenase and revealed its “tricks” for this oxygen-stability. The results are published in “Journal of American Chemical Society” on April 23, 2025.

A research team led by POSTECH Professor Hyung Joo Lee found that NO₂ exposure levels were consistently higher in areas with higher socioeconomic status—an outcome shaped by South Korea’s distinctive history of rapid economic development and urban planning.

KAIST researchers have developed an innovative photodetector capable of detecting a broad range of mid-infrared spectra, garnering significant attention.