Chemistry: analytical and immunological testing – Including sample preparation – Liberation or purification of sample or separation of...
Reexamination Certificate
2010-07-07
2011-10-11
Drodge, Joseph (Department: 1778)
Chemistry: analytical and immunological testing
Including sample preparation
Liberation or purification of sample or separation of...
C073S863230, C422S503000, C422S504000, C422S507000, C422S527000, C435S287300, C435S288500, C436S178000, C436S180000
Reexamination Certificate
active
08034628
ABSTRACT:
An on-chip packed reactor bed design is disclosed that allows for an effective exchange of packing materials such as beads at a miniaturized level. Also disclosed is a method of treating a sample within a microfluidic analysis system, comprising; providing a main channel having a trapping zone; providing a slurry of a reagent treated packing material; inducing a flow of said packing material into said trapping zone through a flow channel connected to said trapping zone to load said trapping zone and form a packed bed of said packing material; and flowing a sample containing analytes through said packed bed, said reagent treating the sample. The present invention extends the function of microfluidic analysis systems to new applications including on-chip solid phase extraction (SPE) and on-chip capillary electrochromatography (CEC). The design can be further extended to include integrated packed bed immuno- or enzyme reactors.
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paten
Harrison D. Jed
Li Paul
Oleschuk Richard
Shultz-Lockyear Loranelle
Skinner Cameron
Drodge Joseph
The Governors of the University of Alberta
Wilson Sonsini Goodrich & Rosati
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