Nanopipette
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Nanopipettes are pipettes in nanometer scale,[1] generally made from quartz capillaries with the help of laser-based pipette puller system.[2] Glass and carbon nanopipettes are most encountered ones in literature. Carbon nanopipettes are nanopipette shaped, hollow carbon layer. The thickness or diameter of nanopipettes can be altered. Glass nanopipettes have a wide range of usage areas like electrophysiological settings, microinjection needles etc.[3] After glass nanopipettes are fabricated and coated with carbon layer in different ways, wet-etching method is applied to get carbon nanopipettes.[4][5] Wet-etching method is done to get rid of glass nanopipettes.[4]
Nanopipettes allowed to explore protusions, dendrites and more general the properties of nanostructures, known as nanophysiology.[6][7]