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A Renewable Nanosensor Based on a Glass Nanopipette

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posted on 27.12.2006, 00:00 by Joe D. Piper, Richard W. Clarke, Yuri E. Korchev, Liming Ying, David Klenerman
A fluorescent nanosensor based on reporter dye molecules trapped in the tip of a nanopipette has been developed. This 100 nm sized nanosensor has been shown to be capable of measuring local pH and mapping sodium concentration with a temporal resolution of a few milliseconds.