Researchers at the University of Illinois at Urbana-Champaign have developed a needle less than 100 nanometers thick that can be used to deliver molecules into single cells and collect electro-chemical recordings. The group has published its work in Nano Letters. Over the past 5 years, other groups have unveiled similar nano-needles, but to my knowledge there are two characteristics that make this one superior. Instead of tapering to a point, the needle remains the same width along its entire length, allowing researchers to fully insert it without increasing damage to the cell; It is also capable of delivering …
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Can a polymath engineer beat IBM to market with the world's first consumer nano device?