Nanotechnology researchers at the University of Illinois in Urbana-Champaign have demonstrated a tiny, implantable detector that could one day allow diabetics to monitor their glucose levels continuously-without ever having to draw a blood sample.
The work, which is the first application of a whole new class of biological sensors, was funded by the National Science Foundation (NSF) and announced December 12 in the online edition of the journal Nature Materials.
Principal investigator Michael Strano, a professor of chemical and biomolecular engineering at Illinois, explains that the new sensors are based on single-walled carbon nanotubes: cylindrical molecules whose sides are formed from a lattice of carbon atoms. The idea is to exploit the nanotubes ability to fluoresce, or glow, when illuminated by certain wavelengths of infrared light-"a region of the spectrum where human tissue and biological fluids are particularly transparent," says Strano.
Mitchell Waldrop | EurekAlert!
Not of Divided Mind
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
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