
A study in *Materials* shows that copper nanoparticles produced via a beetroot‑based green synthesis exhibit markedly stronger antimicrobial activity when embedded in polypropylene than both silver‑based composites and chemically reduced copper. The green‑synthesized copper particles are smaller, less prone to agglomeration, and carry phytochemical layers that boost reactive oxygen species generation. Testing against Staphylococcus aureus, Bacillus cereus, Escherichia coli and Candida krusei revealed clear inhibition zones, whereas silver composites and chemically reduced copper showed minimal or no effect. The work highlights synthesis route as a critical factor for nanocomposite performance.

Physik Instrumente (PI) unveiled a suite of next‑generation precision motion‑control and nanopositioning solutions aimed at high‑tech manufacturing. The offerings target fast‑focusing, photonics array alignment, laser processing, semiconductor testing, and high‑resolution microscopy. PI emphasizes scalability for silicon photonics chip production, AI‑driven...

After 25 years of research, nanofibers remain scientifically promising but face industrial barriers, according to a Frontiers in Nanotechnology review. Scaling production methods such as electrospinning and centrifugal spinning proves difficult, while solvent use drives high costs and waste. The...
Scientists at Columbia University and Brookhaven National Laboratory have created a bottom‑up nanofabrication platform that uses self‑assembled 3D DNA scaffolds as templates to produce inorganic nanostructured frameworks. By employing both vapor‑phase and liquid‑phase precursor infiltration, the method converts DNA lattices...

Cornell researchers have shown that ultrasmall core‑shell silica nanoparticles, dubbed "prime dots," can reprogram the tumor microenvironment of melanoma, activating innate immunity and converting immunologically "cold" tumors into "hot" ones. The study published in Nature Nanotechnology documents multiple mechanisms—including pattern‑recognition...

Korea Institute of Science and Technology (KIST) unveiled a titanium‑based maxene nanosheet system that recovers palladium with 99.9% purity in just 30 minutes. The TiOₓ/Ti₃C₂Tₓ nanosheets work at room temperature, require no toxic chemicals or electricity, and enable simple filtration...