Abstract
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.
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Coloring Agents / chemistry
-
Dextrans / chemistry*
-
Electrodes
-
Glass / chemistry*
-
Hydrogen-Ion Concentration
-
Nanotechnology / instrumentation*
-
Nanotechnology / methods
-
Nanotubes / chemistry*
-
Particle Size
-
Sodium Chloride / chemistry
-
Surface Properties
Substances
-
Coloring Agents
-
Dextrans
-
Sodium Chloride