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flag Disordered lipid nanoparticles deliver mRNA more effectively than tightly packed ones, a new study finds.

flag A new study from the University of Copenhagen finds that lipid nanoparticles (LNPs), used in mRNA vaccines and therapies, deliver their cargo more effectively when internally disorganized rather than tightly packed. flag Analyzing up to a million particles at a time, researchers discovered that amorphous, less structured LNPs release their RNA more efficiently inside cells due to charge repulsion breaking them apart under cellular conditions. flag This challenges the long-held belief that maximum cargo packing and order improve delivery. flag The findings, set to be presented at the Biophysical Society Annual Meeting in February 2026, suggest that optimizing for controlled internal disorder could enhance treatments for cancer and genetic disorders.

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