Up to now, metal strips made of silver, copper and lead have been used for the Oddy test. These indicators made of pure metal often have limitations or are highly operator-dependent, which leads to poor reproducibility of the tests and thus runs counter to the efforts to standardize the Oddy test, which is used worldwide.

Classical methods for the determination of glycan structures, such as the applied HPLC- and electrophoresis-based methods, are time-consuming due to the release and fluorescence labeling of the glycans. Enzymatic methods for glycan release can often take several hours. In addition, the release of protein-bound O-glycans requires the undesirable use of highly toxic substances.

There are various possibilities for cleaning solar modules, which have various disadvantages: 1. self-cleaning by lotus effect Disadvantage: works only at higher installation angles and regular rainfall 2. manual cleaning Disadvantage: very high operating costs 3. cleaning systems permanently installed on solar tables Disadvantages: very high investment costs, maintenance-intensive 4. manually transportable robots Disadvantage: investment […]

Additive manufacturing processes are increasingly being used productively due to their new design possibilities. These include, for example, layer-by-layer construction with a print head or powder-based processes.

Systems for the comprehensive monitoring of all types of equipment are now in use at many points in the power supply network. Nevertheless, there are numerous requirements that cannot yet be met by conventional approaches. For this reason, partners from industry and research are working on solutions. The joint project Monalisa (BMBF, 03EK3531D) focuses on […]

Using a test tube as reactor and metal indicators made of strips of silver, lead and copper, samples of the material to be examined are placed in a heating cabinet at 60 °C for a period of 28 days with the addition of water in the test tube. Chemical reactions of the ingredients of a […]

The biotechnological production of biopharmaceutical active substances using multi-stage chromatographic separation processes should be as gentle on the product as possible and cost-effective.

Current mobile phones have standardized physical sensors and interfaces. These include acceleration sensors, GPS sensors and Bluetooth/NFC. There are different approaches to the use of mobile phones in road traffic. Google Android offers the “car mode”, which increases the user comfort of the mobile phone. Apple iOS has the “CarPlay” system. Here the functionality of […]

Using a test tube as reactor and metal indicators made of strips of silver, lead and copper, samples of the material to be examined are placed in a heating cabinet at 60 °C for a period of 28 days with the addition of water in the test tube. Chemical reactions of the ingredients of a […]

The optical control of a power semiconductor via optical fibers (FO), which ensures separation of the electrical potential, simplifies the design of a power electronic converter. Previously, there were only light-controlled thyristors that could be optically switched on but not off. This disadvantage is overcome by the inventive solution.

Ein sehr hoher Anteil von Elektrounfällen tritt im Bereich der Niederspannung auf. Bei einem Großteil der Unfälle erfolgt eine Körperdurchströmung, wobei spannungsführende Bauteile berührt werden.

Methods that attach external sensors to the cable sheath are known. The cable temperature is deduced from the values using calculation models. Another possibility is the use of optical fibers that are inserted into the cable sheath. The light changes its polarization or will be reflected depending on the temperature.

Ventilation systems for workplaces and assembly rooms are often used to maintain not only indoor air quality but also thermal comfort. For this purpose, these systems are usually equipped with system components in such a way that at least three thermodynamic air treatments can be carried out: Heating, cooling and dehumidification.

Two-dimensional input devices are available at most PC workstations and users are trained in the use of these devices. Three-dimensional input devices, however, are rarely available, so central interaction concepts cannot be based on three-dimensional entries in current commercial tools.