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Search results for gold nanoparticles

Nanomaterials Jun 27, 2024

New method visualizes ligands on gold nanoparticles in liquid

The University of Antwerp and CIC biomaGUNE have come up with a promising method for understanding the role of surface molecules in the formation of nanoparticles. The groundbreaking research, published in Nature Chemistry, ...

Optics & Photonics Jun 26, 2024

Time-compression in electron microscopy: Terahertz light controls and characterizes electrons in space and time

Scientists at the University of Konstanz in Germany have advanced ultrafast electron microscopy to unprecedented time resolution. Reporting in Science Advances, the research team presents a method for the all-optical control, ...

Bio & Medicine Jun 24, 2024

New organoid culture method can verify human toxicity of nanomaterials

The Korea Research Institute of Standards and Science (KRISS) has developed the world's first organoid culture method capable of accurately assessing human toxicity of nanomaterials. Overcoming the limitations of the conventional ...

Analytical Chemistry Jun 17, 2024

Researchers convert alcohols into aldehydes without solvents by using gold-coated milling vessels

A gold-coated milling vessel for ball mills proved to be a real marvel in the research work by Inorganic Chemistry at Ruhr University Bochum, Germany. Without any solvents or environmentally harmful chemicals, the team led ...

Nanophysics Jun 14, 2024

Strong coupling and catenary field enhancement in the hybrid plasmonic metamaterial cavity and TMDC monolayers

Researchers in the field of nanophotonics have spent significant time in recent years investigating fascinating concepts known as polaritons and/or plexcitons. These ideas revolve around the strong coupling of light photons ...

Nanophysics Jun 5, 2024

Gold nanoparticles that selectively emit left- or right-handed light

When chiral gold nanoparticles are irradiated with near-infrared femtosecond pulses, visible emission of luminescence is observed. In a study published in Advanced Optical Materials, this luminescence was found to yield high ...

Nanophysics Jun 3, 2024

New momentum-space polarization filters enable high signal-to-noise ratio nano imaging

A research team led by Prof. Zhang Dongguo from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) developed an optical module that consists of cascaded momentum-space polarization ...

Bio & Medicine May 31, 2024

A nanomaterial one-two punch quickly heals wounds in diabetic animal model

Wounds that are superficial for some can be life-threatening for others. With diabetic wounds, healing can be slow, particularly in the feet, increasing the tissue's susceptibility to infection. Foot ulcers and other diabetic ...

Bio & Medicine May 30, 2024

New method advances cancer detection by counting tiny blood-circulating particles

A University of Houston researcher is reporting a new method to detect cancer which could make cancer detection as simple as taking a blood test. With a 98.7% accuracy rate, the method—which combines PANORAMA imaging with ...

Nanomaterials May 28, 2024

Producing gold nano-particles (and hydrogen) in water without the need for toxic chemicals

In a surprise discovery, Flinders University nanotechnology researchers have produced a range of different types of gold nanoparticles by adjusting water flow in the novel vortex fluidic device—without the need for toxic ...

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