IB Biology Extended Essay Exemplar: What are the differences in cytotoxicity and apparent permeability of two nanoparticle formulations (B1 and B2) with varying ligand concentrations (0%mol, 2%mol, 4%mol, 6%mol, 8%mol, and 10%mol) at five time points (30 min., 45 min., 60 min., 90 min., 120 min.) across the Blood-Brain Barrier, using traditional and inverted in vitro models with bEnd.3 endothelial mouse cells over a 7-day period, for potential Alzheimer’s disease treatment? | RevisionDojo