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Search results for plasmon

Biochemistry May 10, 2022

A highly sensitive SERS substrate for gas sensing

Trace gas sensing is critical for monitoring environmental pollution and detecting volatile organic compounds released from the human body. As a powerful analytical tool for identifying trace molecules, surface-enhanced Raman ...

Optics & Photonics May 5, 2022

Research on the photonic crystal topological state beyond the optical diffraction limit

A new publication from Opto-Electronic Advances considers research on photonic crystal topological states beyond the optical diffraction limit.

Optics & Photonics May 3, 2022

Metamaterial significantly enhances chiral nanoparticle signals

The left hand looks like the right hand in the mirror but the left-handed glove does not fit on the right hand. Chirality refers to this property where the object cannot be superimposed on to the mirror image. This property ...

Nanophysics Apr 28, 2022

Harnessing the powers of light to operate computers

It is said that light is the source of life, and in the near future, it will possibly form the basis of our everyday personal computing needs too. Recently, researchers from the University of Tsukuba have harnessed specific ...

Nanophysics Apr 1, 2022

Reducing nitroarenes to amines without need for extreme conditions or toxic reagent production

A team of researchers affiliated with entities in the Czech Republic, Greece and Germany has developed a way to reduce nitroarenes to amines that does not produce toxic reagents and does not involve extreme conditions. They've ...

Nanomaterials Mar 30, 2022

Researchers create a sea of nano-sized gold stars

Researchers from the Department of Energy's Pacific Northwest National Laboratory (PNNL) and the University of Washington (UW) have successfully designed a bio-inspired molecule that can direct gold atoms to form perfect ...

Nanomaterials Mar 21, 2022

Researchers develop silicon cuboid nanoantenna

In a new publication from Opto-Electronic Advances, researchers from South China University of Technology, Guangzhou, China, discuss silicon cuboid nanoantenna with simultaneous large Purcell factor for electric dipole, magnetic ...

Optics & Photonics Mar 3, 2022

Nanomodulators of light on optical micro-probes to study the brain

When it comes to recording and stimulating brain activity, scientists can rely on a formidable tool: light. An international research team, coordinated by IIT- Istituto Italiano di Tecnologia (Italian Institute of Technology), ...

Analytical Chemistry Mar 2, 2022

New optical biosensor enables rapid and quantitative serological testing of COVID-19

Serological tests play an important role in the surveillance and management of epidemics or pandemics, as well as in acquired immunity studies. Currently, COVID-19 serology is performed by well-established immunoassay techniques, ...

Nanophysics Mar 2, 2022

Arrays of metallic nanoparticles can form an optical cavity tunable by liquid crystals

The manuscript "Electric tuning and switching of the resonant response of nanoparticle arrays with liquid crystals" by Erik van Heijst and co-workers (PSN) has been selected as featured article and journal cover in the last ...

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