A research group led by Prof. Yang Liangbao from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences ...

Read more about the self-assembly of gold nanoparticles into small clusters. (Image: HU Berlin/HZB) AuNPs exhibit a strong surface plasmon resonance (SPR) effect, which is the collective oscillation ...

What is Localized Surface Plasmon Resonance? Localized surface plasmon resonance (LSPR) is a phenomenon that occurs when light interacts with conductive nanoparticles that are smaller than the ...

For instance, 100 nm spherical gold nanoparticles have a surface plasmon resonance (SPR) peak at 570 nm, while 100 nm Gold NanoUrchins display an SPR peak around 680 nm. TEM of 100 nm Gold NanoUrchins ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water.

A recent Scientific Reports article explored the synthesis and integration of gold ... such as surface plasmon resonance (SPR). SPR occurs when light interacts with metal nanoparticles, increasing ...

However, these nanoparticles were not fully optimized due to the ... powder Due to the outstanding optical properties derived from surface plasmon resonance, gold nanorods are utilized in biomedical ...

This study presents a highly sensitive optical fiber sensor for arsenic detection in water, achieving a remarkable 0.09 ppb ...

Researchers from the Indian Institute of Technology Guwahati created a new optical sensor that offers a straightforward ...

As light travels through the optical fiber, the evanescent wave interacts with gold nanoparticles, triggering localized surface plasmon resonance—a phenomenon where electrons on the nanoparticle ...