A new model describes the properties of optic nanoantennas at distances inferior to the nanometre by means of quantum mechanics, an advancement which completes the explanations based on classic physics equations which have been applied until now.
Wieder sorgen Wuerzburger Physiker fuer neue Erkenntnisse in der Spintronik: In extrem duennen topologischen Isolatoren haben sie spin-polarisierte Stroeme nachgewiesen, welche die Theorie seit sechs Jahren vorhersagt. Zugleich zeigen sie einen Weg der Anwendung fuer neuartige Rechner.
As the field of nanomedicine matures, an emerging point of contention has been what shape nanoparticles should be to deliver their drug or DNA payloads most effectively. A pair of new papers by scientists at The Methodist Hospital Research Institute (TMHRI) and six other institutions suggests these microscopic workhorses ought to be disc-shaped, not spherical or rod-shaped, when targeting cancers at or near blood vessels.
It would make life a lot easier if the surfaces of window panes, corrosion coatings or microfluidic systems in medical labs could keep themselves free of water and other liquids. A new simulation program can now work out just how such surfaces have to look for a variety of applications.
An expanded "DNA alphabet" could carry more information than natural DNA, potentially coding for a much wider range of molecules and enabling a variety of powerful applications, from precise molecular probes and nanomachines to useful new life forms.
Wissenschaftler des INM - Leibniz Institut fuer Neue Materialien haben herausgefunden, dass sich bestimmte Nanopartikel zu Gruppen anordnen, als waeren sie Atome. Wie die Atome von Metallen oder Edelgasen bilden sie dabei je nach Anzahl ganz bestimmte Formen.
Mammalian cells can now do what an electronic calculator can: perform logical calculations. ETH-Zurich researchers have equipped cells with a complex genetic network that can do more than just one plus one.
Researchers at the Center for Nanophysics and Advanced Materials of the University of Maryland have developed a new type of hot electron bolometer a sensitive detector of infrared light, that can be used in a huge range of applications from detection of chemical and biochemical weapons from a distance and use in security imaging technologies such as airport body scanners, to chemical analysis in the laboratory and studying the structure of the universe through new telescopes.
Researchers are demonstrating that proteins found in nature, but that do not normally bind the flu, can be engineered to act as broad-spectrum antiviral agents against a variety of flu virus strains, including H1N1 pandemic influenza.
By using a laser microbeam technology called optical tweezers, UC Irvine and UCLA researchers have uncovered fundamental properties of a key molecular signaling system involved with development, cancer and cardiovascular disease.