
IAJD 294 is a single-component ионизируемый amphiphilic Janus dendrimer that autonomously coassembles with mRNA via simple injection into uniform monodisperse dendrimersome nanoparticles (DNPs, 85 nm diameter, PDI<0.2), eliminating complex multi-component formulations. Its optimized 3,5-benzoyl ester linkage and symmetric hydrophobic tails enable dual-organ targeting: Spleen: 2.97 × 10⁷ RLU (50% of total activity) Lymph nodes: 10⁶ RLU (10× higher than IAJD 87) through partial hydrophobic interdigitation (stabilizing DNPs for enhanced lymphatic uptake) and pKa ~6.5 (facilitating endosomal escape), validating constitutional isomerism for precision delivery.
IAJD 294 is a single-component ionizable amphiphilic Janus dendrimer that autonomously coassembles with mRNA via simple injection into uniform monodisperse dendrimersome nanoparticles (DNPs, 85 nm diameter, PDI<0.2), eliminating complex multi-component formulations. Its optimized 3,5-benzoyl ester linkage and symmetric hydrophobic tails enable dual-organ targeting: Spleen: 2.97 × 10⁷ RLU (50% of total activity) Lymph nodes: 10⁶ RLU (10× higher than IAJD 87) through partial hydrophobic interdigitation (stabilizing DNPs for enhanced lymphatic uptake) and pKa ~6.5 (facilitating endosomal escape), validating constitutional isomerism for precision delivery.
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