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  • Title: Importance of size-to-charge ratio in construction of stable and uniform nanoscale RNA/dendrimer complexes.
    Author: Shen XC, Zhou J, Liu X, Wu J, Qu F, Zhang ZL, Pang DW, Quéléver G, Zhang CC, Peng L.
    Journal: Org Biomol Chem; 2007 Nov 21; 5(22):3674-81. PubMed ID: 17971997.
    Abstract:
    Formation of RNA/dendrimer complexes between various RNA molecules and PAMAM dendrimers was studied using atomic force microscopy. Our results demonstrate that effective construction of stable nanoscale and uniform RNA/dendrimer complexes depends critically on the size of the RNA molecule, the dendrimer generation and the charge ratio between the dendrimer and the RNA. Larger RNA molecules, higher generations of dendrimers and larger dendrimer-to-RNA charge ratios lead to the formation of stable, uniform nanoscale RNA/dendrimer complexes. These findings provide new insights in developing dendrimer systems for RNA delivery.
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