Design strategies of hybrid metallic nanoparticles for theragnostic applications.

Abstract : Metallic nanoparticles (MNPs) such as iron oxide and gold nanoparticles are interesting platforms to build theragnostic nanocarriers which combine both therapeutic and diagnostic functions within a single nanostructure. Nevertheless, their surface must be functionalized to be suitable for in vivo applications. Surface functionalization also provides binding sites for targeting ligands, and for drug loading. This review focuses on the materials and surface chemistry used to build hybrid nanocarriers that are inorganic cores functionalized with organic materials. The surface state of the MNPs largely depends on their synthesis routes, and dictates the strategies used for functionalization. Two main strategies can be found in the literature: the design of core-shell nanosystems, or embedding nanoparticles in organic materials. Emerging tendencies such as the use of clusters or alternative coating materials are also described. To present both hydrophilic and lipophilic nanosystems, we chose the doxorubicin anticancer agent as an example, as the molecule presents an affinity for both types of materials.
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Submitted on : Monday, March 9, 2015 - 5:24:24 PM
Last modification on : Wednesday, March 21, 2018 - 10:54:09 AM

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Juliette Gautier, Emilie Allard-Vannier, Katel Hervé-Aubert, Martin Soucé, Igor Chourpa. Design strategies of hybrid metallic nanoparticles for theragnostic applications.. Nanotechnology, Institute of Physics, 2013, 24 (43), pp.432002. ⟨http://iopscience.iop.org/0957-4484/24/43/432002/⟩. ⟨10.1088/0957-4484/24/43/432002⟩. ⟨hal-01128463⟩

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