Human organs deteriorate rapidly without free-flowing blood. The condition, known as ischemia, can be a problem during surgical operations or the transport of graft organs. MICROTRANS answer is a small silicon needle with multiple sensors, capable of continuously measuring the electrical impedance of tissues.
Heart surgeons carefully monitor a beating heart on an electrocardiograph. But if they need to artificially stop the heart during a procedure, these measurements may be lacking for as long as 30 minutes.
In the MICROCARD project, an earlier project funded under the European Commissions ESPRIT programme, European researchers tested a system that continuously monitors the condition of organs. They came up with a needle-shaped microsensor, carved from a silicon wafer, for inserting directly into an organ. Its chemical sensors assessed parameters such as pH and potassium, but were more accurate in chemical solutions than in living tissues.
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At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.
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Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.
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