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Search results for nanoscopy

Bio & Medicine Aug 29, 2022

Microscopy technique reveals hidden nanostructures in cells and tissues

Inside a living cell, proteins and other molecules are often tightly packed together. These dense clusters can be difficult to image because the fluorescent labels used to make them visible can't wedge themselves in between ...

Optics & Photonics Jul 6, 2022

Frequency-domain STED microscopy for selective background noise suppression

Nanoscopy describes the ability to see beyond the generally accepted optical limit of 200–300 nm. Stimulated emission depletion (STED) microscopy, developed by Stefan W. Hell and Jan Wichmann in 1994, and experimentally ...

Optics & Photonics May 19, 2022

Light-controlled reactions at the nanoscale

Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation ...

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.

Nanomaterials Feb 1, 2022

Analysis and containment of defect formation in Zn3P2 crystals: A nanoscale approach

A study published in Nanoscale demonstrates that high-quality Zn3P2 crystals, free of interface defects, can be fabricated with a nanoscale approach. It consists in using selective area epitaxy to grow nanowires of Zn3P2, ...

Cell & Microbiology Nov 23, 2021

Unraveling the interactions of individual sugar molecules with cells

Sugars interact with the cell surface through sugar-binding proteins called lectins. These interactions play a fundamental role in many of the cell's biological processes. One important function is the modulation of the immune ...

Quantum Âé¶¹ÒùÔºics Sep 1, 2021

Improved fabrication technique paves way for improved quantum devices

Âé¶¹ÒùÔºicists and engineers have found a way to identify and address imperfections in materials for one of the most promising technologies in commercial quantum computing.

Optics & Photonics Jul 14, 2021

A scattering-type scanning nearfield optical microscope probes materials at the nanoscale

An MIT physicist has built a new instrument of interest to MIT researchers across a wide range of disciplines because it can quickly and relatively inexpensively determine a variety of important characteristics of a material ...

General Âé¶¹ÒùÔºics Jun 1, 2021

Light-shrinking material lets ordinary microscope see in super resolution

Electrical engineers at the University of California San Diego developed a technology that improves the resolution of an ordinary light microscope so that it can be used to directly observe finer structures and details in ...

Nanophysics May 13, 2021

Contact-free nanoscopy concept shows potential for investigating conductivity of materials

A team of physicists from Germany, the .S. and the U.K. managed to observe the motion of electrons from one atomically thin layer into an adjacent one with nanoscale spatial resolution. The new contact-free nanoscopy concept, ...

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