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3D-printed scaffolds could enable the release biomolecules into the body with exceptional control (w/video)

Tissue development is guided by gradients of biomolecules that direct the growth, migration, and differentiation of cells. Biomedical engineers are interested in recreating these developmental gradients in adults to aid the growth of new tissue in areas that have sustained damage. Now, researchers are one step closer to this goal thanks to the creation of new 3D-printed scaffolds that enable researchers to release biomolecules into the body with exceptional control.

Posted: Sep 22nd, 2015

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New graphene oxide biosensors may accelerate nanotechnology to cure HIV and cancer

Researchers have devised a novel type of graphene oxide-based biosensor that could potentially significantly speed up the process of drug development. The outstanding properties of this carbon allotrope help to improve significantly the biosensing sensitivity, which in future may enable the development of new drugs and vaccines against many dangerous diseases including HIV, hepatitis and cancer.

Posted: Sep 22nd, 2015

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Nanoscaffolds as a modular platform for biosensor assembly

Modern nanofabrication methods have contributed to recent progress in biosensor technology, but challenges remain in developing biosensor assembly platforms that meet important preparation and performance criteria. Now, a team of researchers has developed a new approach that meets at least three of these criteria: system modularity, good signal amplification, and easy purification.

Posted: Sep 22nd, 2015

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First circularly polarized light detector on a silicon chip

Invention of the first integrated circularly polarized light detector on a silicon chip opens the door for development of small, portable sensors that could expand the use of polarized light for drug screening, surveillance, optical communications and quantum computing, among other potential applications.

Posted: Sep 22nd, 2015

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Laser pulses for ultrahigh molecular sensitivity

Scientists have developed a worldwide unique broadband and coherent infrared light source. The record peak brilliance of the light source makes it an ultrasensitive detector for the infrared molecular finger print region, ideal to detect minute changes in the spectral features from cells or tissue which are tell-tale signs of DNA mutation or the presence of cellular malfunctions such as cancer.

Posted: Sep 22nd, 2015

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Diverse set of Turing nanopatterns coat corneae of insects

In 1952, the legendary British mathematician and cryptographer Alan Turing proposed a model, which assumes formation of complex patterns through chemical interaction of two diffusing reagents. Russian scientists managed to prove that the corneal surface nanopatterns in 23 insect orders completely fit into this model.

Posted: Sep 22nd, 2015

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NNI Launches Nanotechnology Signature Initiative Webinar Series

The National Nanotechnology Coordination Office (NNCO) will host a series of webinars from October to December 2015 sponsored by Federal agencies participating in the Nanotechnology Knowledge Infrastructure (NKI) and the Nanotechnology for Sensors and Sensors for Nanotechnology (Sensors) Signature Initiatives.

Posted: Sep 21st, 2015

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