World Precision Instrument Pneumatic PicoPump with vacuum

Supplier:  World Precision Instrument SYSPV830

Although syringe and piston techniques are popular for microinjection in the nanoliter range, microinjection of sub-nanoliter volumes through a very small opening in a glass micropipette is often better accomplished with a controlled burst of gas pressure. Designed to simplify intracellular injection and a variety of other micro­in­jec­tion tasks, WPI’s PicoPumps use precisely regulated pres­sures for se­cur­ing cells and injecting them with fluid. Injected volumes range from picoliters to nanoliters. Separate ports supply positive and negative pressure—pos­i­tive pressure for high-pressure ejection, and suction for supporting the cell or for filling the pipette from the tip. In the time between injections, a secondary default “hold” pressure is applied to the pipette to prevent fluid up­take through capillary action or diffusion. The pressure pulses are typically controlled by a precision timer.

Catalog No. 50-252-1047