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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

Biocompatibility assessment of next generation materials for brain implantable microelectrodes  [2011]

Khan, Saida P.; Auner, Gregory G.; Palyvoda, Olena; Newaz, Golam M.;

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Proper interfacing between the microelectrode device and the cells is very important for functional stimulation of brain; the microelectrodes need to be in close proximity to the cells. The materials currently being used in device or research (silicon, polymer, platinum) do not support neuronal attachment on their surfaces. Here, we investigated primary neuronal cell attachment on Pyrex glass, sapphire, and iridium oxide as promising alternative materials. Sapphire was found to be an excellent substrate to support neuron attachment in serum free condition. Using micro-patterning, sapphire was shown to have great potential as a substrate for next generation neural implants.

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Materials letters

ISSN : 0167-577X