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Nanomaterials in tissue engineering: Fabrication and applications

Nanomaterial technologies can be used to fabricate high-performance biomaterials with tailored physical, chemical, and biological properties. Nanomaterials are therefore currently the development focus for emerging biomedical technologies such as scaffolding, tissue regeneration, and controlled drug delivery. This important book provides readers with a thorough overview of this developing field.

Posted: Aug 30th, 2013

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Researchers design robust nanoparticles for crude oil recovery

Scientists prepared magnetic shell cross-linked knedel-like nanoparticles for removal of environmental pollutants and determined their loading capabilities. These well-defined nanoparticles showed efficient oil sorption capacity of 10-fold their initial dry weight when introduced into an aqueous environment polluted with a complex crude oil.

Posted: Aug 30th, 2013

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Idealer Nanokristall aus Massenkunststoff hergestellt

Polyethylen ist ein Massenkunststoff, der in vielen Haushaltsgegenständen zu finden und daher besonders preiswert herzustellen ist. Einem Forscherteam aus Konstanz, Bayreuth und Berlin gelang es nun, aus diesem Kunststoff einen idealen Nanokristall zu synthetisieren.

Posted: Aug 30th, 2013

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Transparent artificial muscle plays Grieg to prove a point

In a materials science laboratory at Harvard University, a transparent disk connected to a laptop fills the room with music - it's the 'Morning' prelude from Peer Gynt, played on an ionic speaker. No ordinary speaker, it consists of a thin sheet of rubber sandwiched between two layers of a saltwater gel, and it's as clear as a window.

Posted: Aug 29th, 2013

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Novel topological crystalline insulator shows mass appeal

Physicists have theorized that topological crystalline insulators possess unique surface states as a result of crystalline symmetry. An international team of researchers has confirmed that experimental signature and revealed that disrupting the lattice-like structure imparts mass upon previously mass-less electrons. Furthermore, the researchers found manipulating structural symmetry offers a degree of control over the electronic phases of the solid-state material.

Posted: Aug 29th, 2013

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Self-powered nanoparticles developed to deliver healing drugs directly to bone cracks

A novel method for finding and delivering healing drugs to newly formed microcracks in bones has been invented by a team of chemists and bioengineers at Penn State University and Boston University. The method involves the targeted delivery of the drugs, directly to the cracks, on the backs of tiny self-powered nanoparticles. The energy that revs the motors of the nanoparticles and sends them rushing toward the crack comes from a surprising source - the crack itself.

Posted: Aug 29th, 2013

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Physicists create interface between atoms and superconductors

The coherence of quantum systems is the foundation upon which hardware for future information technologies is based. Quantum information is carried by units called quantum bits, or qubits. They can be used to secure electronic communications - and they enable very fast searches of databases. But qubits are also very unstable. Physicists have now developed a new electronic component which will help to deal with this problem.

Posted: Aug 29th, 2013

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Electrons jostling in a traffic jam

Quantum point contacts in electrical circuits are narrow constrictions that can impede the passage of electrons in unexpected ways. Physicists have now achieved a detailed microscopic understanding of this transport anomaly.

Posted: Aug 29th, 2013

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