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Hydrogel microspheres for controlled release of bioactive compounds

Phys.org   -   Scientific News Websites

Controlled-release systems deliver medication and other bioactive compounds to the ideal spot inside a body and over a specific time. New research from the U of A and the U of A System Division of Agriculture could improve these systems used for p...

Jul 28, 2025

New coating uses graphene oxide to deliver silver ions for long-lasting antimicrobial action

Phys.org   -   Scientific News Websites

Researchers at the National Graphene Institute have developed a new type of antimicrobial coating that could improve hygiene across health care, consumer, and industrial products. Working in partnership with medical technology company Smith & ...

Jul 28, 2025

Ultra-small optical devices rewrite the rules of light manipulation

Phys.org   -   Scientific News Websites

In the push to shrink and enhance technologies that control light, MIT researchers have unveiled a new platform that pushes the limits of modern optics through nanophotonics, the manipulation of light on the nanoscale, or billionths of a meter.

Jul 28, 2025

Why you may get future vaccines via dental floss

Phys.org   -   Scientific News Websites

Researchers have demonstrated a novel vaccine delivery method in an animal model, using dental floss to introduce the vaccine via the tissue between the teeth and gums. The testing found that the new technique stimulates the production of antibodi...

Jul 28, 2025

New mRNA pill bypasses injections for gut-targeted therapy

Phys.org   -   Scientific News Websites

Researchers at Harvard Medical School and Brigham and Women's Hospital designed an ingestible capsule that delivers liquid mRNA to the intestines, producing gene expression and reducing inflammation in rats.

Jul 28, 2025

Stable skyrmion bags created in thin ferromagnetic films

Nanowerk   -   Nanotechnology Websites

Researchers demonstrate a robust method to generate skyrmion bags as complex magnetic spin textures in thin ferromagnetic films for advanced spintronic control. Skyrmion bags are donut-like, topologically rich spin textures that go beyond the wide...

Jul 28, 2025

Template-guided synthesis enables efficient design of functional molecular cages

Nanowerk   -   Nanotechnology Websites

Researchers efficiently synthesize functionalized oligophenylene cages using covalent templates and cooperative intermolecular coupling.

Jul 28, 2025

Metalenses gain durability, adaptive optics, and self-cleaning capability

Nanowerk   -   Nanotechnology Websites

Researchers developed a new encapsulation approach for metalenses. Metalenses, composed of subwavelength nanostructures that manipulate light, are celebrated for their potential to replace bulky optical components. Their unique functionalities—ran...

Jul 28, 2025

New spectrometer Is small enough to fit on your phone

Nanowerk   -   Nanotechnology Websites

Researchers built a miniaturized spectrometer that measures UV to near-IR light, enabling handheld devices and future imaging spectrometer arrays.

Jul 28, 2025

Quantum material enables reprogrammable nanophotonic devices

Nanowerk   -   Nanotechnology Websites

Researchers use chromium sulfide bromide to create ultra-compact nanophotonic devices with magnetic tunability, high refractive index, and strong light-matter coupling.

Jul 28, 2025

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