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The invention provides novel lithium salts of pentafluorophenylamide, in particular, lithium pentafluorophenyl (trifluoromethylsulfonyl)imide (Li-PFTFSI). Li-PFTFSI has improved thermal stability and ion mobility compared to known lithium salts.
These characteristics make Li-PFTFSI desirable for use as electrolytes in lithium ion batteries.
The newly developed method aims at producing small gratings on different materials, especially on glass surfaces, by ablating small amounts of material. The gratings can be small enough to form patterns with a diffractive effect causing the material to schiller in different colors.
Immunization is an important tool to fight diseases caused by viral, bacterial or fungal pathogenes. The invention provides a new approach for the generation of oligomeric vaccines. The underlying principle is the high affinity interaction between S-protein and a modified S-tag of bovine pancreatic RNase A which is applied to hemagglutinin (H5). The technology can be applied to produce high molecular vaccines. They have many advantages compared to recently used vaccines including high immunogenicity, high stability, short production time and lower production costs. The approach could therefore be used for the immunization of livestock.
Traditional battery materials, e. g. for Li-ion batteries are brittle, thus not suitable for high capacity flexible batteries. Rigid organic redox polymer batteries have low volumetric energy and power density.
Using a new colloid consisting, of redox pol-ymer and graphene oxide that is trans-formed into reduced graphene oxide during preparation, thickness scalable cathodic and anodic battery materials reaching 1.3 mAh/cm2 for flexible and at least 21 mAh/cm2 for rigid materials are available. The new technologa offers the following advantages:
higher capacities materials for flexible batteries,
scalability 1 20 mAh/cm2,
tailord redox-potential and
"Q-primers" are ammonium compounds, which make it possible to permanently functionalize virtually any surface. It is an environmentally friendly and cost-effective process that allows the production of ultra-thin layers and an "on demand" functionalization. The carrier quat primer can be equipped with any functional groups so that an universally applicable strategy for the modification of surfaces is now available.
This innovative carbonization process of carbon precursor fibers creates in a fast and energy saving manner carbon fibers (CF) which are highly porous (small pore diameters from 0.1 to 10 nm) and have a high surface area (100 to 2500 m2/g). The pyrolysis step needs only minutes or even seconds.
No additional additives like pore-providing templates, catalytic compounds or corrosive liquids are required. However, filler materials like pigments, dyes, graphene nanoplatelets or metal- and semiconductor nanoparticles can be admixed to vary the performance of the produced carbon fibers, e.g. to increase electrical conductivity. Overall, this technology combines conventional carbonization and activation treatments into one process and is more economical by saving time, costs and resources compared to already known thermal carbonization methods.
Applications of carbon fibers are known in the art. Electric applications like super caps and electrodes or filtration and adsorption for gas, water and solvent purification might be preferable.
A herbal remedy is effective against the Ebola virus. The natural compound silvestrol reduces the number of pathogens in infected cells. Also the production of virulent proteins is largely suppressed if the natural substance is used.
Parenteral controlled drug delivery is of crucial importance for the pharmacotherapy of many diseases (e.g. breast and prostate cancer, local inflammation). By means of controlled release systems it is possible to decrease the frequency of administration (from hours to months), to increase drug efficiency and to decrease side effects. The problem is solved by providing Direct Injectable Polymer Solutions (DIPOs) which act as a depot after administration. Their polarity and degradation rate is adjustable. They are much less acidic compared to PLA/PLGA polymers.
Dendrimers are spherical, highly branched polymers used in the fields of drug delivery and drug targeting, DNA/RNA delivery, imaging, protein labelling, protein crosslinking and protein separation, coagulation inhibition, and surface, cell and tissue recognition. They are also used as macroamphiphiles and catalyst supports. All previously existing dendrimers require special, branched and partially protected or polyreactive building blocks for their synthesis. A disadvantage is the limited range of dendrimers with varying structures that can be produced, and the concentration to few dendron forming functional groups.
The new technology offers the possibility of synthesising dendrimers with almost any combination of branch lengths, degree of branching, internal and terminal groups. This is achieved by means of multiple iterative multicomponent reactions, e.g. with acidic, alkaline, hydrophilic, lipophilic, sugar and other functional groups.
DNA assembly methods such as such as Gibson and Golden Gate cloning are basic tools for synthetic biology. Both methods allow assembly of constructs from multiple DNA fragments in a one-pot one-step assembly reaction. Standardization of parts is another essential element of modern synthetic biology. A novel method has been developed to assemble constructs from several individual DNA parts - each kept on a solid carrier - directly in a one-pot one-step reaction.
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Die letzten 5 Focus-News des innovations-reports im Überblick:
New technology could allow an MRI contrast agent to 'blink off,' helping doctors diagnose disease
Magnetic resonance imaging, or MRI, is a widely used medical tool for taking pictures of the insides of our body. One way to make MRI scans easier to read is...
At the Hannover Messe 2018, the Bundesanstalt für Materialforschung und-prüfung (BAM) will show how, in the future, astronauts could produce their own tools or spare parts in zero gravity using 3D printing. This will reduce, weight and transport costs for space missions. Visitors can experience the innovative additive manufacturing process live at the fair.
Powder-based additive manufacturing in zero gravity is the name of the project in which a component is produced by applying metallic powder layers and then...
Physicists at the Laboratory for Attosecond Physics, which is jointly run by Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics, have developed a high-power laser system that generates ultrashort pulses of light covering a large share of the mid-infrared spectrum. The researchers envisage a wide range of applications for the technology – in the early diagnosis of cancer, for instance.
Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of...
University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.
Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.
Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...