Materials science, chemistry and energy research.
Researchers have introduced a curated database containing more than 30,000 entries on solid-state hydrogen-storage materials, drawn from over 4,000 experimental literature sources. The database includes storage capacity and key heat- and disorder-related properties, giving researchers a way to compare materials under different operating conditions.
Researchers report a nickel-iron catalyst that sustained water electrolysis for more than 3,400 hours at an industrial current density. The reported hydrogen production cost was $2.28 per kilogram, below the European Commission’s 2030 target.
A study in Nature Communications found that many imine reductases and reductive aminases can make chiral amines from equal amounts of the starting materials. Screening and an AI system helped identify enzymes with broad activity, and selected reactions produced gram quantities of optically pure products.
Researchers developed Orbformer, an AI model that learns transferable descriptions of molecules from 22,000 structures, including molecules with breaking bonds. After fine-tuning, it reached chemical accuracy on established tests and more demanding bond-breaking and Diels–Alder reaction problems, while reducing the need to solve each new molecule from scratch.
A compact near-infrared device uses lead-free perovskite materials to screen alcohol and water content in commercial samples. Its circuit turns optical signals into five visual levels, covering alcohol concentrations of 30–60% and water contents of 45–100%.
Nanopore confinement enabled delayed fluorescence in crystalline organic frameworks, allowing them to use energy that would otherwise be lost through non-emissive triplet states. The resulting materials formed high-efficiency light-emitting films and were used in solution-processed organic light-emitting diodes, although the abstract does not report detailed performance figures.
A solar still fitted with rotating aluminum discs produced 24% more desalinated water than a drum-based still and 310% more than a standard passive still in experiments. Estimated water costs ranged from 8.2 to 10.3 cents per liter, with projected payback periods under seven months.
A new all-biomass fiber uses silk and cellulose in a porous structure inspired by polar bear hair. The fibers were strong enough to make a flexible glove that showed good thermal insulation.
A bioinspired magnetic catalyst steered oxygen reduction toward either hydrogen peroxide or water, depending on the structure of its magnetic iron oxide component. The single-domain design reached 63.9% hydrogen peroxide selectivity, while the multi-domain design favored the four-electron route to water.
A water-stable porous material revealed how it takes up atmospheric moisture, beginning with a strongly bound water molecule and proceeding through water layers. The nickel material also showed fast loading, regeneration at 60 °C or below and projected water productivity under simulated conditions.
A study of layered Nb3Cl8 finds switchable electric polarization, unusual flat electronic bands and multiple chiral lattice vibrations in one material. The results suggest a platform for studying interacting electronic, optical and magnetic effects at small scales, although the work does not report device performance.
Researchers made biodegradable films from pectin, glycerol, and purple sweet-potato color that respond to pH changes. The color shift was sensitive and the films could be used to monitor shrimp freshness, based on changes linked to shrimp quality indicators.
Nickel-doped zinc oxide nanoparticles were made using an extract from Salvia hispanica. In lab tests, they inhibited bacterial biofilms and reduced the activity of several virulence genes, while also triggering apoptosis and cell-cycle arrest in cancer cells. The researchers also report stronger antibacterial effects against Staphylococcus aureus than against normal cells’ growth.
A study in Scientific Reports reports a way to convert rainbow trout processing waste into single-cell protein grown by purple sulfur bacteria in biofloc technology. The protein product showed antioxidant activity and, in a small feeding test, supported Daphnia magna growth at 40% dietary inclusion.
