Patent ID: 6656432
Filing Date: 2003-12-02
Classification: B01J,B01L,C12Q,C40B,G01N,Y10T

Abstract:
A dispenser comprising:a plurality of micropipettes, each of said micropipettes comprising an inlet port through which a sample solution is delivered from the outside, a cavity into which the sample solution is poured and which is filled with the sample solution, and an injection port for expelling the sample solution in communication with said cavity, said inlet port, said cavity and said injection port being formed in or on at least one substrate, and a piezoelectric/electrostrictive element provided on at least one wall surface of the substrate that forms said cavity, wherein said injection ports are vertically and horizontally aligned and arranged with one another, and a mechanism including a plurality of cartridges filled with different types of sample solutions, each cartridge being connected to the inlet port of each respective micropipette so as to deliver a different sample solution to each respective micropipette.