Research is being done on a number of nanoparticles created to facilitate drug delivery. One such molecule with potential to link treatment with detection and diagnosis is known as a dendrimer. Dendrimers are man-made molecules about the size of an average protein, and have a branching shape. This shape gives them vast amounts of surface area to which scientists can attach therapeutic agents or other biologically active molecules. Researchers aim eventually to create nanodevices that do much more than deliver treatment.

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