Search results for nanometer

Optics & Photonics Jun 18, 2024

New method enhances X-ray microscopy for detecting tiny defects

X-ray microscopes are essential for examining components and materials because they can be used to detect changes and details in the material. Until now, however, it has been difficult to detect small cracks or tiny inclusions ...

Analytical Chemistry Jun 18, 2024

Researchers film energy materials as they form

Shooting a movie in the lab requires special equipment. Especially when the actors are molecules—invisible to the naked eye—reacting with each other.

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 ...

Biotechnology Jun 14, 2024

Novel insights into fluorescent 'dark states' illuminate ways forward for improved imaging

Scientists at St. Jude Children's Research Hospital have reported a way to improve molecular scale distance measurements using single-molecule fluorescence resonance energy transfer (smFRET). smFRET quantifies the excitation ...

Condensed Matter Jun 14, 2024

Exploring the origin of polaron formation in halide perovskites

Halide perovskites are a class of materials with an underlying structure resembling that of mineral perovskites, but with X sites occupied by halide ions, while their A and B sites are occupied by cations. These materials ...

Bio & Medicine Jun 13, 2024

New tool to detect protein-protein interactions could lead to promising avenues for gene therapy and other treatments

SMU nanotechnology expert MinJun Kim and his team have developed a faster, more precise way to detect the properties and interactions of individual proteins crucial in rapid, accurate, and real-time monitoring of virus-cell ...

Earth Sciences Jun 12, 2024

Satellite 'megaconstellations' may jeopardize recovery of ozone hole

When old satellites fall into Earth's atmosphere and burn up, they leave behind tiny particles of aluminum oxide, which eat away at Earth's protective ozone layer. A new study finds that these oxides have increased 8-fold ...

Nanophysics Jun 12, 2024

New method integrates quantum dots with metasurfaces for enhanced luminescence

A study published in Nano Letters demonstrates the use of quantum dots to create metasurfaces, enabling two objects to exist in the same space.

Nanophysics Jun 11, 2024

Switching nanomagnets using infrared lasers

When molecules are irradiated with infrared light, they begin to vibrate due to the energy supply. For Andreas Hauser from the Institute of Experimental Physics at Graz University of Technology (TU Graz), this well-known ...

Bio & Medicine Jun 10, 2024

Nanoparticles reprogram mouse immune systems to cope with allergens

Two doses of allergen-encapsulating nanoparticles delivered intravenously prevented anaphylaxis during a food allergy test in mice, according to a study led by University of Michigan researchers.

page 2 from 40