Of the many marvels of the human immune system, the processing of antigens by the class I proteins of the major histocompatability complex (MHC-I) is among the most mind-boggling. Exactly how these proteins carry out their ...
Cell & Microbiology
Dec 3, 2019
0
116
Metalenses—flat surfaces that use nanostructures to focus light—are poised to revolutionize everything from microscopy to cameras, sensors, and displays. But so far, most of the lenses have been about the size of a piece ...
Nanomaterials
Dec 3, 2019
0
1390
For the first time, scientists in Bremen were able to observe bacteria forming pearl chains that protrude from the cell surface. These pearl chains serve to better absorb and store substances from the environment. The researchers ...
Cell & Microbiology
Sep 26, 2019
0
18
Plants, algae and other photosynthetic organisms remove carbon dioxide from the air, incorporating it into starches in a process known as carbon fixation. In green algae, which contribute up to a third of global carbon fixation, ...
Biotechnology
Sep 12, 2019
0
32
Solar cells that use mixtures of organic molecules to absorb sunlight and convert it to electricity, that can be applied to curved surfaces such as the body of a car, could be a step closer thanks to a discovery that challenges ...
Materials Science
Sep 11, 2019
0
170
Monitoring and tracking biological threats or epidemics require the ability to carry out medical and laboratory tests in the field during a disaster or other austere situations. Expensive laboratory equipment is often unavailable ...
Analytical Chemistry
Aug 20, 2019
0
64
An innovative way to pattern metals has been discovered by scientists in the Department of Chemistry at the University of Warwick, which could make the next generation of solar panels more sustainable and cheaper.
Materials Science
Aug 14, 2019
0
110
Recent advances in solar cell technology use polycrystalline perovskite films as the active layer, with an increase to efficiency of as much as 24.2%. Hybrid organic-inorganic perovskites are especially successful, and they ...
Condensed Matter
Jul 30, 2019
0
648
A particularly aggressive, metastasizing form of cancer, HER2-positive breast cancer, may be treated with nanoscopic particles "imprinted" with specific binding sites for the receptor molecule HER2. As reported by Chinese ...
Bio & Medicine
Jul 3, 2019
0
1
Blood diseases such as leukemia and lymphoma are currently treated with bone marrow transplants—a transfer of blood stem cells from a healthy person to a patient in need. But the demand for patient-matched blood stem cells ...
Cell & Microbiology
May 20, 2019
0
196
