2023
DOI: 10.4025/actascitechnol.v45i1.60454
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DNA Release from Polyaziridine Polyplexes Aided by Biomacromolecules: Effect of pH

Iram Bibi,
Syed Waqar Hussain Shah

Abstract: The pH dependence of heparin and dextran sulfate aided release of DNA from its polyplexes with polyaziridine (PA) has been investigated using Quartz crystal microbalance with dissipation monitoring (QCM-D). The acoustic behavior of ternary systems indicated that the DNA decondensation was favored at physiological pH. When pH < 7.4, PA was significantly positively charged and ternary complexation occurred. When pH exceeded 7.4, very small proportion of DNA was released upon heparin addition due to marked red… Show more

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