By varying the energy and dose of tightly focused electron beams, researchers have demonstrated the ability to both etch away and deposit high-resolution nanoscale patterns on two-dimensional layers of graphene oxide. The ...
Nanophysics
Sep 17, 2020
3
138
In higher organisms, detection of DNA in the cytoplasm triggers an immune reaction. The enzyme that senses "misplaced" DNA is also found in the nucleus, but nuclear DNA has no such effect. LMU researchers now report why that ...
Molecular & Computational biology
Sep 11, 2020
0
32
Though the Summer Olympics were postponed, there's at least one place to see agile hurdlers go for the gold.
Materials Science
Sep 8, 2020
0
84
Cells that are infected by a virus or carry a carcinogenic mutation, for example, produce proteins foreign to the body. Antigenic peptides resulting from the degradation of these exogenous proteins inside the cell are loaded ...
Bio & Medicine
Aug 28, 2020
0
302
Despite decades of study, exactly how herpesviruses invade our cells remains something of a mystery. Now researchers studying one herpesvirus, the varicella zoster virus (VZV) that causes chicken pox, may have found an important ...
Biochemistry
Aug 19, 2020
0
92
Electron movement—what scientists call electron transfer—powers many of life's functions. For example, a good deal of the energy we derive from the foods we eat is captured by a process that removes electrons from food ...
Materials Science
Jul 29, 2020
0
142
For half a millennium, people have tried to enhance human vision by technical means. While the human eye is capable of recognizing features over a wide range of size, it reaches its limits when peering at objects over giant ...
Optics & Photonics
Jun 26, 2020
0
21
EPFL researchers have developed a high-precision technology that enables them to carve nanometric patterns into two-dimensional materials.
Nanomaterials
Jun 23, 2020
0
671
A key to solving global hunger—which is predicted to intensify during the COVID-19 pandemic—may lie in the ocean. In fact, the ocean could produce up to 75 percent more seafood than it does today, and drive sustainable ...
Environment
Jun 2, 2020
1
4
Researchers at the National Institute of Standards and Technology (NIST) have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave ...
Optics & Photonics
May 21, 2020
3
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