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US 11,885,801 B2Granted
Delay process to provide timed chemistry to lateral-flow immunoassays
AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy
InventorDavid A. Kidwell
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Abstract
The present invention provides for a release system for delaying application of chemical reagents in a lateral-flow immunoassay. A chemistry release fiber comprising a permeable membrane and a chemical release agent is used to delay chemical reagent delivery to the indicator of a lateral-flow immunoassay. Also disclosed is the related method of delaying application of chemical reagents in a lateral-flow immunoassay.
Claims6
A release system for delaying application of a chemical reagent to a lateral-flow immunoassay, comprising:
- a membrane;
- an absorbent material containing a chemical reagent;
- wherein the absorbent material comprises absorbed color forming reagents;
- an adhesive covering;
- and
- wherein the absorbed color forming reagents comprises a phenylenediamine salt with a napthol or a phenol.
3 more elements
Dependencies are inferred from the claim text.