Description
AA3-DLin is an ionizable cationic lipid with a pKa value of 5.8. AA3-DLin is used to delivery mRNA combined with lipid nanoparticles (LNPs). AA3-DLin LNP COVID-19 vaccines encapsulating SARS CoV-2 spike mRNAs successfully induces strong immunogenicity in a BALB/c mouse model[1]