Mass Transport: Barriers and Opportunities for Drug Delivery, R SerdaBiological barriers: targeting and crossing the endothelilum, S Ferrati, B Melendez and A MackStromal barriers to delivery, R HwangMucosal barriers to drug- and gene- nanoparticles, M Kim and S LaiModeling the tumor microenvironment as a biobarrier in cancer nanotherapeutics, H Frieboes, et al.The tumor microenvironment, C LooImaging tools for cellular uptake and intracellular trafficking, J BurksEndocytosis, N Sirisaengtaksin, B Brown, and A BeanCellular barriers to delivery, C Dempsey et al.Nanovectors Targeting Cell Surface Receptors, S Srinivasan, et alThe fabrication and mass transport of polymeric nanocarriers, L Bai, J Sakamoto and H ShenMorphology control of nanotextured drug carriers, T Hu & K Lin.