{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11525830","patent":{"patent_number":"US-11525830","title":"Biosensor for detecting influenza A virus using Au—FE3O4 composite","assignee":null,"inventors":[],"filing_date":"2018-10-15T00:00:00.000Z","publication_date":"2022-12-13T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":8,"abstract":"A biosensor for detecting an influenza A virus in a sample is disclosed, which includes: an influenza A virus antibody immobilized on a surface of Au—Fe3O4 composite; where the antibody binds with the influenza A virus in the sample, which converts 4-methylumbelliferyl-N-acetyl-α-D-neuraminic acid (MUNANA) to 4-methylumbelliferone (4-MU), where the 4-MU emits green light at pH of 5.5-6.5; and wherein the 4-MU emits blue light at pH of 9.3-11.3. In the biosensor, 1,1′-oxalyldiimidazole chemiluminescence (ODI-CL) reagent may be utilized to emit the blue and green lights."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Biosensor for detecting influenza A virus using Au—FE3O4 composite","description":"A biosensor for detecting an influenza A virus in a sample is disclosed, which includes: an influenza A virus antibody immobilized on a surface of Au—Fe3O4 composite; where the antibody binds with the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11525830","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11525830","citation_suggestion":"Patentable. \"Biosensor for detecting influenza A virus using Au—FE3O4 composite\" (US-11525830). https://patentable.app/patents/US-11525830","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11525830","json":"https://patentable.app/api/llm-context/US-11525830","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:13:49.976Z"}