Can Nanoparticles Really Be Used for Drug Delivery?

Bob Greene: One thing that I actually never really thought of before preparing for this podcast is that the nanoparticles are exposed to all of physical stresses when you put them in the bloodstream. He was wondering if that can be a problem or whether they can actually be used to make drug delivery, for example, more specific. Greene: Well, no, I think, I think that's a possibility. By the way, I was just going to highlight another thing, you know, going back to the question you asked Katie on barriers.