{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9701841","patent":{"patent_number":"US-9701841","title":"Cell permeable, fluorescent dye","assignee":null,"inventors":[],"filing_date":"2016-04-19T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":25,"abstract":"The invention pertains to a near-infrared fluorescent dye that is cell permeable and can be attached to selected proteins in living cells. The dye has the general formulaor its corresponding spirolactonewherein    The dye (i) absorbs and emits light at wavelengths above 600 nm; (ii) possesses high photostability; (iii) has high extinction coefficients and high quantum yields; (iv) can be derivatized with different molecules; and (v) is membrane-permeable and shows minimal background binding to biomolecules and biomolecular structures."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Cell permeable, fluorescent dye","description":"The invention pertains to a near-infrared fluorescent dye that is cell permeable and can be attached to selected proteins in living cells. The dye has the general formulaor its corresponding spirolact","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9701841","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-9701841","citation_suggestion":"Patentable. \"Cell permeable, fluorescent dye\" (US-9701841). https://patentable.app/patents/US-9701841","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9701841","json":"https://patentable.app/api/llm-context/US-9701841","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:37:20.658Z"}