Doxorubicin-poly(acrylic acid) complexes: interaction with liposomes.


Complexation of antitumor drug, doxorubicin (DOX), with poly(acrylic acid) (PAA) in buffer solutions was examined. The DOX-to-PAA binding was governed by electrostatic and stacking interactions resulting in a complex of characteristic composition with a PAA/DOX = 1.6 molar ratio. Sizes of the complex particles were found to lie in 600-900-nm range. However… (More)


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