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Experimental investigation of interactions between proteins and carbon nanomaterials

Posted on:2016-11-10Degree:M.SType:Thesis
University:Clemson UniversityCandidate:Sengupta, BishwambharFull Text:PDF
GTID:2471390017977976Subject:Biophysics
Abstract/Summary:
The global market for nanomaterials based products is forecasted to reach ;Carbon nanomaterials (CNMs) such as carbon nanotubes, graphene, and graphene oxide are widely used ENMs. It is now known that defects in CNMs play an important role not only in materials properties but also in the determination of how materials interact at the nano-bio interface. In this regard, this work investigates the influence of defect-induced hydrophilicity on the bio-corona formation using micro Raman, photoluminescence, infrared spectroscopy, electrochemistry, and molecular dynamics simulations. Our results show that the interaction of proteins (albumin and fibrinogen) with CNMs is strongly influenced by charge transfer between them, inducing protein unfolding which enhances conformational entropy and higher protein adsorption.
Keywords/Search Tags:Carbon, Cnms
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