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Optics & Photonics Aug 23, 2024

Ultra-sensitive photothermal microscopy technique detects single nanoparticles as small as 5 nm

The detection of individual particles and molecules has opened new horizons in analytical chemistry, cellular imaging, nanomaterials, and biomedical diagnostics. Traditional single-molecule detection methods rely heavily ...

Bio & Medicine Aug 21, 2024

Lipid nanoparticle mRNA therapy improves survival in mouse models of maple syrup urine disease

Researchers from the University of Pennsylvania, Perelman School of Medicine, Gene Therapy Program, and Moderna, have shown that repeated administration of lipid nanoparticle-encapsulated mRNA therapy significantly extended ...

Bio & Medicine Aug 19, 2024

New method uses nanoparticles to reprogram exhausted immune cells

A novel study led by Prof. Mira Barda-Saad and her research team at the Goodman Faculty of Life Sciences at Bar-Ilan University has unveiled a novel method to rejuvenate natural killer (NK) cells in the fight against cancer. ...

Bio & Medicine Aug 5, 2024

Tea brews up silver nanoparticles for wound healing in the developing world

Wound infections, particularly associated with burns, are a serious health problem causing high morbidity and mortality. Aside from hygiene and basic dressings, antibiotics are the standard treatment for serious wounds. However, ...

Bio & Medicine Jul 26, 2024

New nanoparticles boost immune system in mice to fight melanoma and breast cancer

Vanderbilt researchers have developed a set of nanoparticles that stimulate the immune system in mice to fight cancer and may eventually do the same in humans.

Optics & Photonics Jul 25, 2024

Nonreciprocal interactions go nonlinear: Non-Hermitian dynamics observed in coupled nanoparticles

Using two optically-trapped glass nanoparticles, researchers observed a novel collective Non-Hermitian and non-linear dynamic driven by non-reciprocal interactions. This contribution expands traditional optical levitation ...

Analytical Chemistry Jul 24, 2024

Reducing carbon dioxide to acetate with a polyaniline catalyst coated in cobalt oxide nanoparticles

Acetic acid, also known as acetate, and other products that can be developed from acetic acid are used in a variety of industries, from food production to medicine to agriculture. Currently, acetate production uses a significant ...

Bio & Medicine Jul 23, 2024

Study links nanoparticles to oxidative stress and neuron death

Researchers at the University of Kentucky have a better understanding of the regulation of extracellular vesicles by oxidative stress and how these vesicles spread oxidative stress and may damage neurons. Extracellular vesicles ...

Bio & Medicine Jul 19, 2024

New nanoparticle delivery method targets sickle cell mutations in bone marrow

Current gene therapies to treat sickle cell disease are complex, time-consuming, and are sometimes linked to serious side effects like infertility or blood cancer. To address these challenges, Johns Hopkins researchers have ...

Bio & Medicine Jul 10, 2024

Study: Nanoparticle vaccines enhance cross-protection against influenza viruses

To offer cross-protection against diverse influenza virus variants, nanoparticle vaccines can produce pivotal cellular and mucosal immune responses that enhance vaccine efficacy and broaden protection, according to a study ...

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