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Search results for gold nanoparticles

Nanophysics Mar 1, 2022

Seeing below the surface of bimetallic nanoparticles

Nanoparticles are important in many disciplines because their high surface area compared with their volume gives them interesting properties. Continued development of analytical methods for nanoparticles is therefore crucial. ...

Quantum Physics Feb 14, 2022

Switching plasmonic nanogaps between classical and quantum regimes

Quantum plasmonics is the study of quantum properties of light and its interaction with matter at the nanoscale. While intriguing, they are difficult to regulate on account of the lack of proper surface spaces to reversibly ...

Biochemistry Feb 4, 2022

Regenerative medicine: Spider silk Janus fibers could attract nerve cells and stimulate their growth

Spider silk has enormous potential in regenerative medicine thanks to being a natural fiber that is tough, stable, and biodegradable. Researchers have now produced double-sided spider silk fibers, which could provide damaged ...

Bio & Medicine Feb 2, 2022

Simple, inexpensive, fast and accurate nanosensors pinpoint infectious diseases

In recent years, deadly infectious diseases, including Ebola and COVID-19, have emerged to cause widespread human devastation. Although researchers have developed a range of sophisticated methods to detect such infections, ...

Bio & Medicine Jan 26, 2022

Using chiral gold nanoparticles to enhance immune response

A team of researchers affiliated with multiple institutions in China, the U.S. and Brazil has used "handedness" in chiral gold nanoparticles to enhance immune response to the influenza virus in mice. The group describes their ...

Materials Science Jan 19, 2022

Unexpected energy storage capability where water meets metal surfaces

Although interfaces between metals and water are the local areas where crucial processes of energy technologies such as water splitting occur, comparably little is known about their structure and changes during such processes. ...

Bio & Medicine Jan 7, 2022

Great balls of fire: How heating up testicles with nanoparticles might one day be a form of male birth control

Women have a variety of methods for contraception, but only two methods are commonly available to men: condoms and vasectomies. Both methods have their drawbacks.

Materials Science Jan 6, 2022

Gold solution to catalysis grand challenge

A simple, low-cost method of directly converting natural gas into useful chemicals and fuels, using the precious metal gold as a key ingredient, has been proposed by researchers at Cardiff University in collaboration with ...

Analytical Chemistry Jan 5, 2022

New analysis approach could increase the number of usable donor kidneys

A new way to evaluate the quality of kidneys before transplantation could one day help increase the number of usable donor kidneys. The method uses highly sensitive spectroscopy analysis to detect biomarkers related to kidney ...

Nanomaterials Dec 17, 2021

Binary mesocrystals from the nano-building kit

Mesocrystals are a class of solids formed by the regular arrangement of nanocrystals, which are tiny nanoparticles that have unique properties due to their small size. In mesocrystals, these take on a highly organized, superordinate ...

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