Nozzle device in an apparatus for biochemical reactions

Details Nozzle device in an apparatus for biochemical reactions Nozzle device in an apparatus for biochemical reactions

1987-05-21

1989-03-28

Jones, Larry

Chemistry: molecular biology and microbiology

Miscellaneous

435287, 435291, 435292, 422101, C12M 112, B01L 1100

Patent

active

048164089

ABSTRACT:
A nozzle device in an apparatus for biochemical reaction, including a biochemical reaction chamber, includes a nozzle having a tip and a porous filter fixed to the tip. The nozzle further includes an outer nozzle tube defining a first bore extending to the tip, a second bore extending through the porous filter and being coaxial with the first bore, an inner tube extending through the first bore to the tip and defining a third bore, the inner tube being tightly fitted into, and extending through, the second bore and having an outer diameter smaller than that of the inner diameter of the first bore to define an annular space in communication with the filter. The third bore is connected to a source of liquid and the annular space is connected with a source of suction, so that a liquid can be discharged to the reaction chamber from the first bore and sucked out of the reaction chamber through the filter.

REFERENCES:
patent: 3846077 (1974-11-01), Ohringer
patent: 4212845 (1980-07-01), Stelling et al.
patent: 4321327 (1982-03-01), Chen et al.
patent: 4586546 (1986-05-01), Mezei et al.
patent: 4590165 (1986-05-01), Gilles et al.
patent: 4635665 (1987-01-01), Namba et al.
patent: 4644807 (1987-02-01), Mar
patent: 4699884 (1987-10-01), Noss et al.

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