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Optics & Photonics Sep 20, 2021

The nanophotonics orchestra presents: Twisting to the light of nanoparticles

Physics researchers at the University of Bath in the UK discover a new physical effect relating to the interactions between light and twisted materials—an effect that is likely to have implications for emerging new nanotechnologies ...

Materials Science Sep 1, 2021

Encapsulated NiCo alloy nanoparticles catalyzing HDO reactions

The conversion of abundant biomass and their derivatives into high value-added fuels and chemicals is envisaged as a promising green avenue to reduce our reliance on conventional fossil resources. Among them, the pyrolysis ...

Nanomaterials Aug 24, 2021

Sizing nanoparticles using fluid-filled tubes

The functionality of nanoparticles in a host of applications, including drug delivery and nano-optics, is often dictated by their mass and size. Measuring these properties simultaneously for the same nanoparticle has also ...

Bio & Medicine Jul 16, 2021

Acidity-activatable dynamic nanoparticles boost cancer immunotherapy

Immunotherapy has great potential in clinical cancer treatment due to systematic activation of antitumor immunity. However, low immunogenicity, or negative feedback on immunotherapy, greatly hinders the efficacy of currently ...

Nanomaterials Jul 14, 2021

Small molecule plays outsize role in controlling nanoparticle

Ligands are much like nanosized barnacles, binding to many kinds of surfaces. This form of adsorption is crucial for a range of chemical processes, from purification and catalysis to the design of nanomaterials.

Bio & Medicine Jul 7, 2021

The shape of nanoparticles in body fluids may reveal the type of cancer

A recent study by scientists from Japanese universities has shown that the shape of cell-derived nanoparticles, known as "extracellular vesicles" (EVs), in body fluids could be a biomarker for identifying types of cancer. ...

Bio & Medicine Jun 21, 2021

Lanthanide nanoparticles enable continuous-wave NIR STED microscopy

National University of Singapore researchers have developed a new generation of near infra-red (NIR)-emitting nanoprobes for super-resolution imaging in deep tissues. These nanoprobes are based on lanthanide-doped nanomaterials ...

Earth Sciences Jun 8, 2021

New research suggests mineral nanoparticles as ubiquitous enzyme mimetics in Earth systems

Globally, the Earth system has thousands of terragrams (Tg) (1 Tg = 1012g) of mineral nanoparticles moving around the planet each year. These mineral nanoparticles are ubiquitously distributed throughout the atmosphere, oceans, ...

Nanophysics May 13, 2021

New advancement in nanophotonics explains how collections of hot nanoparticles cool down

Everyone has sat outside on a sunny day and been warmed by the sun's rays. This happens through a process known as radiative heat transfer: the sun emits light (electromagnetic radiation), which travels to the Earth and heats ...

Bio & Medicine May 11, 2021

Light-controlled nanoparticles will play key role in biosensor development

Scientists from ITMO University have developed a production method for biointegrable nanoparticles that can be controlled via heat. With light irradiation, these particles change not only their shape, but their color, too. ...

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