At the bottom of the micropipette a small piston moves in an air-tight bore. Removable plastic tips are fitted to the cone-shaped end. Due to an air buffer, no liquid comes in touch with the piston.

The P-2000 micropipette puller represents a significant advance in the technology of fabrication of micropipettes, optical fiber probes, and nanospray tips. The P-2000 integrates a CO 2 laser ...