G - Physics – 01 – N
Patent
G - Physics
01
N
150/8
G01N 30/92 (2006.01) B01L 3/00 (2006.01) G01N 1/38 (2006.01) G01N 33/53 (2006.01) G01N 35/00 (2006.01) G01N 30/46 (2006.01) G01N 30/60 (2006.01)
Patent
CA 2040733
An assay tray assembly and an assay tray primarily for chromatographic analysis has a plastics moulded test tray 1 mounted on a plastics moulded collection tray 72. The test tray has a spaced array of chambers 3 disposed as per a microtiter plate. Each chamber has a bottom outlet port 5 formed by a flange 8 which retains within the chamber a chromatographic medium to which test liquid deposited in the chamber is to be subjected for the percolate or eluate liquid to emerge from the respective outlet ports. The collection tray 72 has a spaced array of wells 16 disposed as per a microtiter plate to correspond with the chambers 3 and the tray 1 is mounted on the tray 72 for each chamber to communicate with a corresponding well 16. Each chamber 3 has a tubular spigot part 12 which extends into the respective well 16 to alleviate cross contamination of the liquid derived from the outlet ports 5. The depth of entry of the tubular spigots 12 into their respective wells 16 is restricted by abutment between the bottom of the test tray with the top of the collection tray. The volume of each well 16 beneath the tubular spigot it receives is adequate to accommodate all of the eluate or percolate derived from the chamber 3 with which it communicates to alleviate liquid on the spigot parts from dripping into wells with which those tubular spigots are not associated (and thereby cause cross contamination) when the trays are separated for analysis of the percolate or eluate.
Bojanic Dejan
Merson James Richard
Limited Pfizer
Smart & Biggar
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