Search results for nanoscopy

Cell & Microbiology Jul 23, 2023

Zooming across time and space simultaneously with superresolution to understand how cells divide

Cell division, or the process of how daughter cells emerge from a mother cell, is fundamental to biology. Every cell inherits the same protein and DNA building blocks that make up the cell it originally came from. Yet exactly ...

Optics & Photonics Jul 17, 2023

Shrinking light: Waveguiding scheme enables highly confined subnanometer optical fields

Imagine shrinking light down to the size of a tiny water molecule, unlocking a world of quantum possibilities. This has been a long-held dream in the realms of light science and technology. Recent advancements have brought ...

Biotechnology Mar 10, 2023

Major advance in super-resolution fluorescence microscopy

Scientists led by Nobel Laureate Stefan Hell at the Max Planck Institute for Medical Research in Heidelberg have developed a super-resolution microscope with a spatio-temporal precision of one nanometer per millisecond. An ...

Nanophysics Feb 20, 2023

Researchers develop innovative tool for measuring electron dynamics in semiconductors

At the heart of every mobile phone, laptop and autonomous vehicle is a tiny semiconductor whose properties and, ultimately, performance are determined by free electrons. Now, UC Berkeley researchers have developed a new way ...

Optics & Photonics Nov 4, 2022

Spin photonics to move forward with new anapole probe

Topological nontrivial spin textures are intriguing in various physical systems, ranging from high energy to condensed matter physics. The magnetic Skyrmions formed by a swirling magnetization in magnetic materials have potential ...

Bio & Medicine Oct 12, 2022

Super-resolution quantification of single small extracellular vesicles

It has been commonly accepted that tumorigenesis and cancer progression constitute a multistep process. The most commonly used method for cancer diagnosis and prognosis to guide treatment decisions is based on a complex combination ...

Biochemistry Sep 15, 2022

Observing the difference in structural dynamics of 1 nm single-molecules at room temperature for the first time

Chemists' long-held dream of observing the structural dynamics of a single molecule have been now been made possible. Single molecules sized about 1 nanometer exist in a volatile state under ambient conditions. Considering ...

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 demonstrated ...

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 ...

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