Complexation of phosphocholine liposomes with polylysine. Stabilization by surface coverage versus aggregation.

Abstract

Complexation between linear poly-L-lysine (PLL) and negatively charged phosphocholine unilamellar liposomes has been investigated by means of dynamic light scattering, microelectrophoresis, and differential scanning calorimetry. It is found that complexation results in charge inversion (vesicle coating/stabilization) or vesicle aggregation depending on… (More)

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