Dendrimers are a unique class of synthetic macromolecules having highly branched, three dimensional, nanoscale architecture with very low polydispersity and high functionality. These features have made their application in nanotechnology, pharmaceutical and medicinal chemistry particularly attractive. This review briefly discusses the various aspect of dendrimer including properties, preparation of dendrimers types, characterization, dendrimer based products and their use as pharmaceutical, therapeutic, diagnostic agent and their potential for applications in drug delivery. The biocompatibility of dendrimers follows patterns known from other small particles. Cationic surfaces show cytotoxicity; however, derivatization with fatty acid or PEG chains, reducing the overall charge density and minimizing contact between cell surfaces and dendrimers, can reduce toxic effects. This review clearly demonstrates the various application of dendrimer and indeed substantiates the high hopes for future.
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