Reagent delivery system
AssigneeThe Secretary of State for Defense
InventorDavid James Squirrell
Life of this patent
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Abstract
A delivery apparatus for selectively delivering one or more liquid reagents into a reaction or test chamber (2), especially of an assay apparatus, the apparatus comprising: one or more respective storage chambers (5,6) for containing the one or more liquid reagents and arranged generally above the reaction or test chamber (2); and a plunger element (4) arranged and operable for insertion into the mouth of a selected storage chamber so as to displace a selected reagent from therewithin into the reaction or test chamber (2) generally therebelow by gravitational liquid overflow from the mouth of the chamber. The apparatus may conveniently be provided as a discrete delivery unit, with the storage chambers (5,6) pretilled with the selected reagents.
Claims29
A discrete support unit component for use in a reaction, test or assay apparatus, the discrete support unit component comprising:
- multiple reagent chambers containing at least one liquid and one dry reagent useful for processing DNA, the reagent chambers being sealed;
- wherein the reagent chambers are in the form of open-mouthed cylindrical supported tubes, the open-mouthed cylindrical supported tubes formed from a molded plastic material, and
- wherein the mouths of the reagent chambers are sealed by a puncturable metal foil laminate sheet.
Dependencies are inferred from the claim text.