439 Current news about the topic microscopy

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How acidic are atoms?

Precisely understand and improve chemical properties of surfaces

30-Apr-2021

The acidity of molecules can be easily determined, but until now it was not possible to measure this important property for atoms on a surface. With a new microscopy technique from the Vienna University of Technology (TU Wien), this has now been achieved. The degree of acidity or alkalinity of a ...

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Watching cell division live

Highest resolution insights into living cells

16-Apr-2021

Bacteria as unicellular organisms normally reproduce by binary cell division, i.e. the duplication of the entire organism consisting of a single cell. This allows particularly rapid multiplication, such as the exponential growth known from pathogens, and requires the separation and distribution ...

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Electromagnetic Fields of Nanostructures Visualized in 3D for the First Time

30-Mar-2021

Researchers at Graz University of Technology (TU Graz) and the University of Graz, together with experts from France, have succeeded in imaging so-called surface phonons in three dimensions for the first time. The research success could accelerate the development of new, efficient ...

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New microscopy method resolves fluorescent molecules with resolution at the nanometer scale

22-Mar-2021

Scientists working with Stefan Hell at the Max Planck Institute (MPI) for Biophysical Chemistry in Göttingen and the Heidelberg-based MPI for Medical Research have developed another light microscopy method, called MINSTED, which resolves fluorescently labeled details with molecular sharpness. ...

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Super-Resolution RNA Imaging in Live Cells

Innovative method provides new insight into molecular processes involving RNA

02-Mar-2021

Ribonucleic acid (RNA) is key to various fundamental biological processes. It transfers genetic information, translates it into proteins or supports gene regulation. To achieve a more detailed understanding of the precise functions it performs, researchers based at Heidelberg University and at ...

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World's first video recording of a space-time crystal

Periodic pattern consisting of magnons is formed at room temperature

10-Feb-2021

A German-Polish research team has succeeded in creating a micrometer-sized space-time crystal consisting of magnons at room temperature. With the help of the scanning transmission X-ray microscope MAXYMUS at Bessy II at Helmholtz Zentrum Berlin, they were able to film the recurring periodic ...

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Mast cells: sentinels and high-speed messengers of the immune defense

A team of scientists unravels a crucial mechanism of cell-cell-communication during the defense against pathogens

09-Feb-2021

In order to fight pathogens, mast cells regulate inflammatory reactions of the immune system. Both mast cells and neutrophils are white blood cells and are critical for the body’s immune defense. A team of scientists around the immunologist Prof. Dr. Anne Dudeck and the bioengineer Jan Dudeck has ...

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Fluorescence microscopy at highest spatial and temporal resolution

Researchers simplify the MINFLUX microscope and have succeeded in differentiating molecules that are extremely close together and tracking their dynamics.

21-Jan-2021

Only a few years ago, an ostensibly fundamental resolution limit in optical microscopy was superseded - a breakthrough which in 2014 led to the Nobel Prize in Chemistry for super-resolution microscopy. Since then, there has been another quantum leap in this area, which has further reduced the ...

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Why do metal oxide surfaces behave differently?

New research method answers important questions

15-Jan-2021

Metal surfaces play a role as catalysts for many important applications - from fuel cells to the purification of car exhaust gases. However, their behaviour is decisively affected by oxygen atoms incorporated into the surface. This phenomenon has been known for a long time, but until now it has ...

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Hard-magnetic coatings for high-precision microscopy

Examination of minuscule cell structures in precise detail and at great speed

07-Jan-2021

Microscopy is at the forefront of the fight against the coronavirus. Special microscopes, which enable scientists to view minute cell structures, are an indispensable tool in the development of vaccines and new therapies. Such equipment comprises not only a microscope with high optical resolution ...

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