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Scientists analyse the deformation behaviour of silicon in nano/micro devices
Mobile phones, data storage for laptops, solar cells, power electronics for renewable energy, or sensors in cars are applications where silicon is the first-choice material despite that its mechanical behaviour at elevated temperature is not yet fully understood. To design efficient and reliable ...
Scientists identify mutations in the genome caused by the intestinal bacterium Escherichia coli
Some bacterial pathogens cause damage in the genomes of their infected cells which could lead to the initiation of cancer. While it is difficult to link an infection with an onset of cancer that arises many years later in life, researchers have been looking for definitive proof that such links ...
Scientists found a method for the "green" production of the important starting material for the chemical industry
Sometimes potentially useful enzymes are not easy to discover because their biocatalytic capabilities may go beyond their natural and thus known range of action. By recombining a newly discovered enzymatic capability, a research team from the Max Planck Institute for Terrestrial Microbiology led ...
High-speed method for identifying and sorting cells requires no external cell labeling
In medicine and biology, there is great interest in efficient and inexpensive methods for identifying and separating different cell types, for example for medical diagnostics or for regenerative therapies using stem cells. Up to this point, the method of choice has been the so-called flow ...
Microroller could to revolutionize the minimally invasive treatment of illnesses
A team of scientists from the Max Planck Institute for Intelligent Systems (MPI-IS) in Stuttgart invented a tiny microrobot that resembles a white blood cell travelling through the circulatory system. It has the shape, the size and the moving capabilities of leukocytes and could perhaps be well ...
Lysosome to mitochondria communication
As people get older, they often feel less energetic, mobile or active. This may be due in part to a decline in mitochondria, the tiny powerhouses inside of our cells, which provide energy and regulate metabolism. In fact, mitochondria decline with age not only in humans, but in many species. Why ...
Tiny change in the mass of individual atoms for the first time measured
A new door to the quantum world: when an atom absorbs or releases energy via the quantum jump of an electron, it becomes heavier or lighter, according to Einstein’s theory of relativity (E = mc²). However, the effect is minuscule for a single atom. Nevertheless, the team of Klaus Blaum and Sergey ...
New chemical tools can control the concentration of lipids in living cells
Lipids, or fats, have many functions in our body: They form membrane barriers, store energy or act as messengers, which regulate cell growth and hormone release. Many of them are also biomarkers for severe diseases. So far, it has been very difficult to analyze the functions of these molecules in ...
Researchers are using organ-like cell cultures to investigate compounds to combat the new virus
Before new drugs can be administered to people, researchers first have to investigate their effects using cell cultures and animal testing. Human cell cultures are increasingly being used as a model system for this purpose. At the Max Planck Institute for Infection Biology in Berlin, a research ...
How the investigation of ion oscillations can lead to better batteries
Electrolytes play a key role in many areas: They are crucial for the storage of energy in our body as well as in batteries. In order to release energy, ions - charged atoms - must move in a liquid such as water. Until now the precise mechanism by which they move through the atoms and molecules of ...
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