Figure 1.

Growth in the number of published articles. Since the focus of this paper is on nanocarrier-based drug delivery for cancer therapy, the following parameters were searched in PubMed: ((cancer) OR (tumor)) AND ((((((((((((((nanoparticle) OR (nanocarrier)) OR (liposome)) OR (micelles)) OR (dendrimers)) OR (Niosomes)) OR (nanoemulsions)) OR (nanocrystals)) OR (Exosomes)) OR (quantum dots)) OR (carbon nanotubes)) OR (nanodiamonds)) OR (nanocapsules)) OR (hybrid nanomedicine)).