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Hydrodynamic nanoparticle size determination by quasielastic light scattering. The MO/EPA molar ratios in the MO/EPA/DOPE-PEG2000 dispersions are 1:0 mol/mol (a), 85:15 mol/mol (b), 50:50 mol/mol (c), 70:30 mol/mol (d), 40:60 mol/mol (e), and 30:70 mol/mol (f). The bimodal distributions represent the fractions of small-size and large-size particles coexisting in the sample volumes. Aqueous phase: 1 × 10–2 M phosphate buffer containing BHT.
