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Nanophysics May 25, 2023

Making the structure of 'fire ice' with nanoparticles

Cage structures made with nanoparticles could be a route toward making organized nanostructures with mixed materials, and researchers at the University of Michigan have shown how to achieve this through computer simulations.

Nanomaterials May 18, 2023

High-temperature shock synthesis of high-entropy alloy nanoparticles for catalysis

High-temperature shock (HTS) is an emerging synthesis method with kinetics-dominated non-equilibrium characteristics, which can achieve an ultrafast heating/cooling rate of ~105 K/s and a peak temperature larger than ~3000 ...

Bio & Medicine May 9, 2023

Researchers discover that various species share a similar mechanism of molecular response to nanoparticles

Researchers at FHAIVE (Finnish Hub for Development and Validation of Integrated Approaches), Tampere University, have discovered a new response mechanism specific to exposure to nanoparticles that is common to multiple species.

Nanophysics May 1, 2023

Silver nanoparticles spark key advance in thermoelectricity for power generation

Several high-performance thermoelectric materials have been discovered over the past two decades, but without efficient devices to convert the energy they produce into emission-free power, their promise has been unfulfilled. ...

Bio & Medicine Apr 27, 2023

Iron oxide nanoparticles for medical applications: Study clarifies effect of microstructure on magnetic properties

Iron oxide nanoparticles are often used in medical technology as contrast agents for magnetic resonance imaging or as transport agents for drugs in the bloodstream, for example in tumor therapy. For these applications, the ...

Nanophysics Apr 26, 2023

Researchers use nanoparticles to increase light frequency and resolution of imaging systems

Physicists at the Australian National University (ANU) are using nanoparticles to develop new sources of light that will allow us to "peel back the curtain" into the world of extremely small objects—thousands of times smaller ...

Materials Science Apr 11, 2023

Researchers develop natural, washable antimicrobial cleaning wipes

Most antimicrobial wipes, which are predominantly made of synthetic fibers like polyester and polypropylene, are discarded after a single use and end up in landfills where they can stay for hundreds of years and become a ...

Biotechnology Apr 11, 2023

New imaging method enables pollution monitoring through precise detection of gold nanoparticles in woodlice

The woodlouse goes by many names: roly-poly, pill bug, potato bug, tomato bug, butchy boy, cheesy bob and chiggy pig, to name just a few. It is best known for contracting into a ball when agitated. This crustacean (yes, it's ...

Bio & Medicine Apr 5, 2023

Team develops anticancer nanoparticles with ultrasound activation

Chemotherapy treatments produce strong side effects. A new agent that accumulates in the tumor tissue and is activated there by ultrasound waves does not have this problem.

Bio & Medicine Apr 3, 2023

Lipid nanoparticles stimulate innate immune cells more efficiently in younger individuals, finds study

Although the mRNA COVID-19 vaccines from Pfizer-BioNTech and Moderna are safe and effective at preventing severe illness in adults and children, including immunocompromised individuals, researchers have noticed that these ...

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