Director of Research (if dissertation) or Advisor (if thesis)
Murphy, Catherine J.
Department of Study
Chemistry
Discipline
Chemistry
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
nano-bio interactions
fluorescence correlation spectroscopy
lipid corona
Abstract
When a nanoparticle enters a biological environment, molecules are known to adsorb on the surface forming a corona. Systematically studying the formation of a corona is important to develop knowledge as to how a given nanomaterial will transform once entering a biological environment. A common interface met by a nanomaterial in the human body is the cell membrane, which is composed of phospholipid bilayer. Fluorescence correlation spectroscopy (FCS) is a promising tool that can be used to probe nanoparticle-cell interactions. FCS experiments focusing on exposure of lipid vesicles to different polystyrene nanoparticles indicate possible formation of a lipid corona. Further study varying the nanoparticle charge and lipid vesicle fluidity can help elucidate the mechanism of lipid corona formation. Such work can provide insight into understanding the complex nature of the nano-bio interface.
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