1. The Role of Physical Barrier Functions of Polyethylene Glycol Modified Nanoparticles in Modulating Their Blood Circulation Open Access Author: Ben Mabrouk, Amira Title: The Role of Physical Barrier Functions of Polyethylene Glycol Modified Nanoparticles in Modulating Their Blood Circulation Graduate Program: Materials Science and Engineering Keywords: drug deliveryPEGylationliver endothelial cellsnanoparticle clearance.Nanoparticles ClearanceLiver Endothelial cellsNMR RelaxometryDrug Delivery File: Download Master_Thesis_Final_corrected_Amira_Ben_Mabrouk.pdf Committee Members: Urara Hasegawa, Thesis Advisor/Co-AdvisorJames Hansell Adair, Committee MemberJohn Mauro, Program Head/ChairScott H Medina, Committee Member