Search results for AFM

Molecular & Computational biology Jun 1, 2021

Unraveling DNA packaging: How histones and DNA interact

The genetic material of most organisms is carried by DNA, a complex organic molecule. DNA is very long—for humans, the molecule is estimated to be about 2 m in length. In cells, DNA occurs in a densely packed form, with ...

Cell & Microbiology May 28, 2021

Watch me move it, move it: Gliding structure in Mycoplasma revealed

Much of human invention and innovation has been the result of our discovery and replication of natural phenomena, from birds in flight to whales that dive deep into the ocean. For the first time, researchers have captured ...

Optics & Photonics May 10, 2021

A scanning quantum sensing microscope with nanoscale electric-field imaging

Recently, Professor Jiang Ying from International Center for Quantum Materials and Research Center for Light-Element Advanced Materials of Peking University, in collaboration with Professor Jörg Wrachtrup from Stuttgart ...

General Physics May 6, 2021

Physicists find a novel way to switch antiferromagnetism on and off

When you save an image to your smartphone, those data are written onto tiny transistors that are electrically switched on or off in a pattern of "bits" to represent and encode that image. Most transistors today are made from ...

Materials Science Apr 2, 2021

In-situ nanoscale insights into the evolution of solid electrolyte interphase shells

The interfacial decomposition products forming the so-called solid-electrolyte interphase (SEI) during the first charging/discharging significantly determine the electrochemical performances of lithium (Li) batteries. To ...

Optics & Photonics Mar 29, 2021

Faster and less-invasive atomic force microscopy for visualizing biomolecular systems

High-speed atomic force microscopy (HS-AFM) is an imaging technique that can be used for visualizing biological processes, for example the activity of proteins. Nowadays, typical HS-AFM frame rates are as high as 12 frames ...

Materials Science Mar 24, 2021

Understanding the structural and chemical heterogeneities of surface species at the single-bond limit

Advances in tip-based microscopy in materials science have allowed imaging at angstrom-scale resolution, although the technique does not provide clear characterization of the structural and chemical heterogeneities of surface ...

Biotechnology Mar 11, 2021

Researchers probe cell nucleus response with needle-tip technique

Kaitlin McCreery is the coauthor of a new paper published in Small that deals with diagnosing diseases such as osteoarthritis in soft tissue. McCreery is currently a Ph.D. student in the Neu Lab where she studies the biophysical ...

Environment Mar 4, 2021

Study uncovers how big droughts in the Greater Mekong trigger carbon dioxide emission bursts

A study on big droughts in the Greater Mekong region revealed findings that can help reduce the carbon footprint of power systems while providing insights into better designed and more sustainable power plants.

Materials Science Feb 25, 2021

On the line: Watching nanoparticles get in shape

Liquid structures—liquid droplets that maintain a specific shape—are useful for a variety of applications, from food processing to cosmetics, medicine, and even petroleum extraction, but researchers have yet to tap into ...

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