2/22/12
Like a shredder, the immunoproteasome cuts down proteins into peptides that are subsequently presented on the cellular surface. The immune system can distinguish between self and nonself peptides and selectively kills cells that due to a viral infection present non-self peptides at their ...
2/22/12
Kiel biologist discovers new animal enzyme to use plant toxins for self-defence Certain insects, such as the African variegated grasshopper (Zonocerus variegatus) or the cinnabar moth (Tyria jacobaeae), native in Europe and Asia, feed on toxic plants in order to protect themselves from ...
2/22/12
Phosphorus and arsenic are on top of each other in one group of the periodic table, so they have many similar properties. In addition to tubular forms, phosphorus is found in white, red, black, and purple structural forms. At room temperature, black phosphorus is the stable form; the others are ...
2/22/12
Ring-like protein complex helps ensure accurate protein production In fairy tales, magic rings endow their owners with special abilities: the ring makes the wearer invisible, fulfils his wishes, or otherwise helps the hero on the path to his destiny. Similarly, a ring-like structure found in a ...
2/22/12
The intermediary report on "10 Years of Research: Risk Assessment, Human and Environmental Toxicology of Nanomaterials" by the joint DECHEMA/VCI Working Group "Responsible Production and Use of Nanomaterials" is now available in English. Experts from industry and research institutions have ...
2/22/12
Faster, smaller and more energy-efficient – that is what computers of the future should be like. A new phenomenon stands to make a major contribution in this direction: It needs 100,000 times less current than existing technologies, and the number of atoms needed for a data bit could diminish ...
2/22/12
For the first time, scientists follow the development of individual immune cells in a living zebrafish embryo T-cells are the immune system’s security force. They seek out pathogens and rogue cells in the body and put them out of action. Their precursors are formed in the bone marrow and migrate ...
2/22/12
Road maps and city maps in the Internet could be even more attractive and user-friendly than today. This is what computer scientists of the University of Würzburg are currently working on. One of their objectives is to develop maps the scale of which changes gradually rather than abruptly when ...
2/22/12
Topics Range from Digital Knowledge Representation to Ecological Networks The Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) has approved the establishment of four new Research Units. This decision was taken by the DFG’s Senate at its February meeting in Bonn. The purpose of ...
2/22/12
On February 14th the Federal Foreign Minister Dr. Guido Westerwelle inaugurated the German House of Science and Innovation (DWIH - Deutsches Wissenschafts- und Innovationshaus) in Sao Paulo. The University Alliance Metropolis Ruhr (UAMR) will also have an office there. Westerwelle emphasized the ...
