FOOD AND DRUG ADMINISTRATION USA Tender

Per Amendment 1 - Proposal Receipt Date/time Extended To 9/27/2024 At 12:00 Pm Est. _________________________________________________________________________________ introduction development Of Amb A 1- Specific Capture And Biotin-labeled Detection Aptamers For Use In Enzyme Linked Immunosorbent Assay (elisa)/immunoenzymetric Assay (iema) background in The United States Ragweed Allergen Extracts Are Standardized, Which Means That Their Potencies Are Determined In Comparison To A Us Reference Standard. Potency Of The Extract Is Determined By Measuring Amb A 1 Content. The Laboratory Of Immunobiochemistry (lib) Needs To Develop Reference Standard Amb A 1-specific Capture And Biotin-labeled Detection Monoclonal Aptamers Suitable For Use In Enzyme Linked Immunosorbent Assay (elisa)/immunoenzymetric Assay (iema) To Measure Biological Potencies Of Commercial Ragweed Pollen Extracts Marketed In The United States. scope amb A 1-specific Capture And Biotin-labeled Detection Monoclonal Antibodies Suitable For Use In Enzyme Linked Immunosorbent Assay (elisa)/immunoenzymetric Assay (iema).