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Highly monodisperse and water-soluble Ribonuclease-A (RNase A) copped-Ag 2 S quantum dots (QDs) clusters were synthesized in aqueous phase via biomimetic route. The final products were characterized by UV–vis absorption, photoluminescence (PL) spectra, X-ray powder diffraction (XRD) and high-resolution transmission electron microscopy (HR-TEM). Our results revealed that RNase A-Ag 2 ...
Targeted quantum dots have shown potential as a platform for development of cancer imaging. Aptamers have recently been demonstrated as ideal candidates for molecular targeting applications. In the present work, polyamidoamine dendrimers were used to modify quantum dots and improve their solubility in water solution. Then, dendrimer-modified quantum dot nanocomposites conjugated with a DNA aptamer,...
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