Âé¶¹ÒùÔº

See also stories tagged with Colloidal gold

Search results for gold nanoparticles

Nanophysics Sep 2, 2025

Golden nano sandwich makes nanoparticles visible

Nanoparticles are everywhere. Nanoparticles find a wide range of applications in biomedical applications, sensing, energy conversion, and industrial processes. But nanoparticles can also have negative implications as environmental ...

Bio & Medicine Aug 22, 2025

New nanoparticle methods speed up detection of viruses in food and water

Waiting is the hardest part. Especially in the case of testing for water or food contamination, which can take days or even a week in some cases for the results, leaving the possibility that people have been unknowingly exposed.

Analytical Chemistry Aug 21, 2025

New formula improves accuracy of particle concentration measurements in diverse samples

Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, such as the number of marbles in a jar.

Analytical Chemistry Aug 19, 2025

Clean hydrogen's iridium problem? Solved in an afternoon with new megalibrary

For decades, researchers around the world have searched for alternatives to iridium, an extremely rare, incredibly expensive metal used in the production of clean hydrogen fuels.

Bio & Medicine Aug 18, 2025

Light-and-sound-based thermometer helps gold nanoparticles destroy cancer

Biomedical engineers at Duke University have developed a method to more precisely heat up gold nanoparticles to target and destroy cancerous tumors. Using imaging methods that combine light and sound to peer deeper into tissue, ...

Nanophysics Aug 8, 2025

Ultrathin metal and semiconductor films emit multicolor light, paving way for new optical sensing devices

A new breakthrough in the field of physics led by doctoral student Yueming Yan could allow for the creation of small, thin, low-power optical devices to be used in both medical imaging and environmental sensing.

Bio & Medicine Aug 6, 2025

Bacterial detection using glycan-targeting nanoparticles in Raman spectroscopy

In a study published in the Gold Bulletin journal by a group of researchers from the Center for Applied Âé¶¹ÒùÔºics and Advanced Technology (CFATA) and National School of Higher Education (ENES), Leon, both from the National ...

Nanomaterials Aug 6, 2025

Confined dewetting yields uniform metal nanoparticles for advanced diagnostics and detection

Researchers from the Indian Institute of Science Education and Research (IISER) Pune and the Indian Institute of Technology-Bombay have developed an innovative, cost-effective method to produce high-quality metal nanoparticles, ...

Analytical Chemistry Aug 5, 2025

Emulsion technology can purify wastewater with sunlight and droplets of oil

Wastewater often contains a cocktail of organic pollutants, ranging from pesticides to pharmaceutical residues. These are difficult to remove using conventional purification methods.

Nanophysics Jul 31, 2025

Nanodevice uses sound to sculpt light, paving the way for better displays and imaging

Light can behave in very unexpected ways when you squeeze it into small spaces. In a paper in the journal Science, Mark Brongersma, a professor of materials science and engineering at Stanford University, and doctoral candidate ...

page 1 from 40