Method and apparatus for monitoring processes using a single...

Details Method and apparatus for monitoring processes using a single... Method and apparatus for monitoring processes using a single...

2011-07-12

2011-07-12

Ludlow, Jan M (Department: 1773)

Chemistry: analytical and immunological testing

Including chromatography

C422S070000, C073S061560, C210S198200, C210S656000

Reexamination Certificate

active

07977114

ABSTRACT:
Embodiments of the invention feature methods and apparatus for the efficient utilization of detectors and other components. The apparatus comprises a pump for receiving and propelling one or more samples in a fluid path. The apparatus further comprises a valve element in fluid communication with the pump for receiving the samples from the pump and directing the sample along one fluid path selected from a group. The group comprises a delay path comprising a delay volume, and a chromatography assembly having at least one chromatography column. The apparatus further comprises a detector or grouping of detectors in fluid communication with the delay path and the chromatography assembly for detecting compounds of interest to allow a single detector or single grouping of detectors to receive samples from the two fluid paths.

REFERENCES:
patent: 5108708 (1992-04-01), Hanus
patent: 6344172 (2002-02-01), Afeyan et al.
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