Search results for AFM

Biotechnology Apr 28, 2023

Dynamic 3D structure extraction from HS-AFM images

Allowing the direct observation of biomolecules in dynamic action, high-speed AFM has opened a new avenue to dynamic structural biology. An enormous number of successful applications developed within the last 15 years provide ...

Cell & Microbiology Apr 27, 2023

Researchers describe a twisted cell–cell adhesion molecule complex structure

Our bodies comprise different tissues and organs, which are composed of many cells that must adhere to form functional higher order structures. This adherence is facilitated by specialized proteins called cell–cell adhesion ...

Nanophysics Apr 26, 2023

Unraveling the mechanism of green emission peaks in single polyfluorene chains

Molecular aggregates are clusters of small molecules held together by relatively weak forces believed to be originating from electronic interactions between the molecules. Owing to their exceptional photophysical properties, ...

Nanophysics Apr 6, 2023

Discovery of ferroelectricity in an elementary substance

National University of Singapore (NUS) physicists have discovered a novel form of ferroelectricity in a single-element bismuth monolayer that can produce regular and reversible dipole moments for future applications of non-volatile ...

Archaeology Apr 4, 2023

One of sunken warship Vasa's crewmen was a woman

When the human remains found on board the Swedish warship Vasa were investigated, it was initially determined that the skeleton designated "G" was a man. New research now shows that the skeleton is actually from a woman.

Bio & Medicine Mar 31, 2023

New type of friction discovered in ligand-protein systems

An interdisciplinary research team of the Institutes of Physical Chemistry and Physics of the University of Freiburg and the Max Planck Institute of Biophysics in Frankfurt-am-Main has discovered a new, direction-dependent ...

Bio & Medicine Mar 14, 2023

Detect, bind and cut: Biomolecular action at the nanoscale

Researchers at Kanazawa University report in ACS Nano how high-speed atomic force microscopy can be used to study the biomolecular mechanisms underlying gene editing.

Analytical Chemistry Mar 9, 2023

Electrocatalysis under the atomic force microscope

A further development in atomic force microscopy now makes it possible to simultaneously image the height profile of nanometer-fine structures as well as the electric current and the frictional force at solid-liquid interfaces. ...

Bio & Medicine Mar 6, 2023

Biomolecular sliding at the nanoscale

In organisms whose cells have a nucleus, like plants and animals, the basic packaging units of DNA are the so-called nucleosomes. A nucleosome consists of a segment of DNA wound around eight proteins known as histones. Gene ...

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 ...

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