PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34080278-3 2021 Here we report a series of fluorescent naphthalimides, which did not originally show observable phosphorescence in solutions, as aggregates, in polymer films, or in any other tested host materials including heavy-atom matrices at cryogenic temperatures, can now efficiently produce ultralong RTP (Phi = 0.17, tau = 243 ms) in phthalimide hosts. Naphthalimides 39-53 microtubule associated protein tau Homo sapiens 309-312