Redox and pH Responsive Poly (Amidoamine) Dendrimer-Heparin Conjugates via Disulfide Linkages for Letrozole Delivery

<div>The in vitro release profiles of free Let (cycle), Let from P-SS-Hep/Let in pH 4.5 containing 10 mM GSH (lozenge), in pH 4.5 containing 10 <i>μ</i>M GSH (triangle), in pH 7.4 containing 10 mM GSH (square), and in pH 7.4 containing 10 <i>μ</i>M GSH (white cycle), respectively.</div>

BioMed Research International

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Figure 7

Figure 7: Redox and pH Responsive Poly (Amidoamine) Dendrimer-Heparin Conjugates via Disulfide Linkages for Letrozole Delivery 