Current methods to diagnose Alzheimer´s Disease (AD) comprise computer tomography (CT), magnet resonance imaging (MRI) or positron emission tomography (PET) visualizing abnormalities in the brain. Other approaches concerns to the determination of biomarkers such as tau/ phospho-tau or beta Amyloid in body fluids (blood, liquor). However, CSF level of tau is a general marker for neuronal dysfunction and not specific for AD alone (also increased in Creutzfeldt Jacob). In AD patients, decreased levels of Abeta42 could be shown, however the values of concentrations in various AD patients differ dramatically so that Abeta42 alone is not a sufficient reliable marker. Furthermore Abeta42 seems to be decreased only in patients who already have clinical symptoms of AD. It is a strong medical need for diagnostic markers which are able to predict AD at a very early stage before clinical symptoms occur. This would allow earlier treatments before neuronal damage starts. <br><br> <strong>Technology</strong><br> We offer a novel approach for the early recognition of pre-symptomatic stages of AD even 20-30 years before clinical changes/ symptoms like mild cognitive impairment (MCI) or AD occur. The assay is based on the detection of the Aß38:Aß42 concentration ratio. A decrease of the Aß38:Aß42 ratio (value <1,5) in a phenotypically healthy, pre-symptomatic person is hypothized to be indicative that this person will develop MCI and AD later in life. This statement is based on findings in the human neuroblastoma cell line SHSY5Y stably expressing APP by investigating the expression and procession of AAP and is further based on postulating a gamma-secretase cleavage mechanism of APP-TMS (TM: transmembrane).<br><br>
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More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
Automated manufacturing processes are the basis for ultimately establishing the series production of CFRP components. In the project HolQueSt 3D, the LZH has...
Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
"The structural robustness of thin metal films has significant importance for the reliable operation of smart skin and flexible electronics including...
The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...
The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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