Methods for preventing air injection into a detection chamber su

Details Methods for preventing air injection into a detection chamber su Methods for preventing air injection into a detection chamber su

1991-12-19

1993-10-19

Housel, James C.

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

436177, 422 58, 422102, G01N 110, G01N 2100

Patent

active

052544796

ABSTRACT:
A method for forcing liquid out of a burstable compartment into a detection chamber without also forcing residual air of that compartment to interfere with liquid detection. The method features applying pressure sufficient to eject the liquid but not the residual air, and retaining that pressure as long as the reaction period of the liquid takes place, called the incubation period, and then completing the ejection to eject residual air into the chamber.

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patent: 4007010 (1977-02-01), Woodbridge, III
patent: 4065263 (1977-12-01), Woodbridge, III
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patent: 4795265 (1989-01-01), Dahlberg et al.
patent: 4965047 (1990-10-01), Hammond
patent: 5061446 (1991-10-01), Guigan
patent: 5154888 (1992-10-01), Zander et al.

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