From adsorption to covalent bonding: Apolipoprotein E functionalization of polymeric nanoparticles for drug delivery across the blood-brain barrier

. Author manuscript; available in PMC: 2021 Feb 3.

Published in final edited form as: Adv Ther (Weinh). 2020 Jun 26;4(1):2000092. doi: 10.1002/adtp.202000092

Figure 7. Transwell® systems to simulate the BBB in vitro. Mono-, co- (A-D), and triple co-cultures (E-F) of CECs with astrocytes and/or pericytes in contact (B, D) or non-contact (A, C) set-up. Reprinted with permission of Ref. 98. Copyright 2014, Elsevier.