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Bio & Medicine Jan 30, 2024

DNA particles that mimic viruses hold promise as vaccines

Using a virus-like delivery particle made from DNA, researchers from MIT and the Ragon Institute of MGH, MIT, and Harvard have created a vaccine that can induce a strong antibody response against SARS-CoV-2.

Nanophysics Jan 29, 2024

Quick and easy preparation of small-sized metal nanoparticles by microchip laser

Pulsed laser ablation in liquid (PLAL) is a reliable and versatile technique for producing metal nanoparticles (NPs) in solution. Its advantages, including the absence of reducing agents, operational simplicity, high purity ...

Optics & Photonics Jan 29, 2024

An efficient numerical program for studying light scattering at the nanoscale

When light encounters a particle, it interacts with the particle instead of just passing through smoothly. The light waves can get scattered in different directions because of the light-matter interactions.

Nanophysics Jan 29, 2024

Utilizing active microparticles for artificial intelligence

Artificial intelligence using neural networks performs calculations digitally with the help of microelectronic chips. Physicists at Leipzig University have now created a type of neural network that works not with electricity ...

Nanophysics Jan 29, 2024

Researchers slow down light in metasurfaces with record low loss

The speed of light can be intentionally reduced in various media. Various techniques have been developed over the years to slow down light, including electromagnetically induced transparency (EIT), Bose-Einstein condensate ...

Bio & Medicine Jan 26, 2024

Locusts' sense of smell boosted with custom-made nanoparticles

Our sensory systems are highly adaptable. A person who cannot see after turning off a light in the night slowly achieves superior power to see even small objects. Women often attain a heightened sense of smell during pregnancy. ...

Ecology Jan 25, 2024

Environmental risks of new pesticides with nanoparticles insufficiently examined, say researchers

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden University scientists, who have published an article in the journal Environmental Science & Technology. ...

Bio & Medicine Jan 24, 2024

Researchers uncover molecular mechanisms behind effects of MXene nanoparticles on muscle regeneration

Tissue engineering, which involves the use of grafts or scaffolds to aid cell regeneration, is emerging as a key medical practice for treating volumetric muscle loss (VML), a condition where a significant amount of muscle ...

Bio & Medicine Jan 24, 2024

Nanoparticle spray reduces risk of airborne bacterial infections caused by air filtration systems

A novel nanoparticle spray coating process has been shown to all but eliminate the growth of some of the world's most dangerous bacteria in air filtration systems, significantly reducing the risk of airborne bacterial and ...

Bio & Medicine Jan 23, 2024

Bioengineers on the brink of breaching blood-brain barrier

Imagine the brain as an air traffic control tower, overseeing the crucial and complex operations of the body's "airport." This tower, essential for coordinating the ceaseless flow of neurological signals, is guarded by a ...

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