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New invention regulates nerve cells electronically

A major step toward being able to regulate nerve cells externally with the help of electronics has been taken by researchers in Sweden. The breakthrough is based on an ion transistor of plastic that can transport ions and charged biomolecules and thereby address and regulate cells.

Posted: May 21st, 2010

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Prospects in the use of nanotechnologies in plant growing

Nanotechnologies in agriculture are mostly associated with the reproduction of agricultural species and the processing and improvement of the quality of production. Nanotechnologies are already being used for disinfection of the air and of various materials, including food for animals, for purification of water in agro-ecological systems, for the treatment of seeds and cultures, for stimulation of the growth and the development of plants, as well as for the development of new types of packing materials allowing the continuous preservation of the ready products.

Posted: May 21st, 2010

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Nanotechnologies in contemporary plant-growing

In plant-growing, nanobiotechnologies, being methods for changing the structure of substances, are realized at nano- and sub-nano levels. Growth regulators of a new generation and sophisticated biotechnologies at the nano-level are already successfully applied in plant-growing on more than 50 cultures.

Posted: May 21st, 2010

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Theorists find surprising behaviours in quantum random networks

Scientists have proven that these quantum complex networks have surprising properties: even in a very weakly connected quantum network, performing some measurements and other simple quantum operations allows to generate arbitrary graphs of connections that are otherwise impossible in their classical counterparts.

Posted: May 21st, 2010

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A library of synthetic bio-membranes for use in nanomedicine, drug delivery

An international collaboration led by chemists and engineers from the University of Pennsylvania has prepared a library of synthetic biomaterials that mimic cellular membranes and that show promise in targeted delivery of cancer drugs, gene therapy, proteins, imaging and diagnostic agents and cosmetics safely to the body in the emerging field called nanomedicine.

Posted: May 20th, 2010

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Plasmonic promises: First observation of plasmarons in graphene

Scientists working at the Advanced Light Source (ALS) at the Lawrence Berkeley National Laboratory have discovered striking new details about the electronic structure of graphene, crystalline sheets of carbon just one atom thick. They found that composite particles called plasmarons play a vital role in determining graphene's properties.

Posted: May 20th, 2010

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