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Search results for gold nanoparticles

Bio & Medicine Oct 16, 2023

Drug-delivery technique with vessel-targeted gold nanoparticles shows growing promise for brain cancer treatment

A technique developed by University of Texas at Dallas and UT Southwestern Medical Center researchers to deliver medication through the blood-brain barrier has shown promise in a preclinical study for treating glioblastoma, ...

Bio & Medicine Sep 28, 2023

Wearable aptamer nanobiosensor wirelessly monitors estrogen in sweat

The sex hormone commonly known as estrogen plays an important role in multiple aspects of women's health and fertility. High levels of estrogen in the body are associated with breast and ovarian cancers, while low levels ...

Nanomaterials Sep 22, 2023

Gold nanoclusters can improve electrochemical water splitting to produce hydrogen

As energy demand continues to rise, research into new, efficient renewable and clean energy sources is an urgent priority. Currently, renewable energy sources like solar, wind, tide, and geothermal make up less than 40% of ...

Bio & Medicine Sep 11, 2023

Hybrid nanoparticles shine new light on targeting cancer cells

Scientists at the Indian Institute of Science (IISc) have developed a new approach to potentially detect and kill cancer cells, especially those that form a solid tumor mass. They have created hybrid nanoparticles made of ...

Bio & Medicine Sep 8, 2023

Synthesis of nanoparticles by microorganisms: Exploring the green power of fungi

They are used as medicines, drug carriers and to combat microbes in hospitals, destroy plant pathogens and reduce the amount of traditional fertilizers used in agriculture—nanoparticles are taking over medicine and the ...

Materials Science Sep 1, 2023

Striking gold with molecular mystery solution for potential clean energy

Hydrogen spillover is exactly what it sounds like. Small metal nanoparticles anchored on a thermally stable oxide, like silica, comprise a major class of catalysts, which are substances used to accelerate chemical reactions ...

Nanomaterials Aug 28, 2023

Gilded mysteries unveiled: Ancient art meets nanotechnology in nanoscale goldbeating

Goldbeating, an age-old craft pioneered by ancient Egyptian artisans more than five millennia ago, involves the meticulous thinning of bulk gold into gossamer-like leaves. Throughout history, this intricate process has adorned ...

Nanomaterials Aug 14, 2023

Gold buckyballs, oft-used nanoparticle 'seeds' found to be one and the same

Rice University chemists have discovered that tiny gold "seed" particles, a key ingredient in one of the most common nanoparticle recipes, are one and the same as gold buckyballs, 32-atom spherical molecules that are cousins ...

Bio & Medicine Jul 13, 2023

Researchers' sweeping discovery shows how kidney cells self-renew

University of Texas at Dallas scientists have discovered a previously unknown "housekeeping" process in kidney cells that ejects unwanted content, resulting in cells that rejuvenate themselves and remain functioning and healthy.

Nanophysics Jun 28, 2023

Researchers develop a nano-antenna that forms a near field of circularly polarized light

A research group from Kobe University in Japan have proposed and tested a nano-antenna that uses the specific optical resonance of dielectric nanoparticles to form a near field of circularly polarized light. This technique ...

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