Research on Nanofibers Detailed by Scientists at North Carolina State University
Research on Nanofibers Detailed by Scientists at North Carolina State University, Life Science Weekly, June 12
Our news editors obtained a quote from the research by the authors from North Carolina State University, “Using fluorescently labeled BSA and surface analysis, we observe that the distribution of BSA is affected by the pH of the electrospinning solution. Therefore, we further probe the relevant forces on the protein in solution during electrospinning. The role of hydrodynamic friction was assessed using glutaraldehyde and HCl as a tool to modify the viscosity of the solution during electrospinning. By varying the pH and the polarity of the applied electric field, we evaluated the effects of electrostatic forces and dielectrophoresis on the protein during fiber formation. We surmise that electrostatic forces and hydrodynamic friction are insignificant relative to dielectrophoretic forces; therefore, it is possible to separate species in a blend using polarizability contrast.”
According to the news editors, the researchers concluded: “A coaxial distribution of protein in the core can be obtained by electrospinning at the isoelectric point of the protein, whereas surface enrichment can be obtained when the protein carries a net charge.”
For more information on this research see: Effect of pH on Protein Distribution in Electrospun PVA/BSA Composite Nanofibers. Biomacromolecules, 2012;13(5):1269-78. (American Chemical Society – www.acs.org; Biomacromolecules – www.pubs.acs.org/journal/bomaf6)
The news editors report that additional information may be obtained by contacting C. Tang, Dept. of Chemical and Biomolecular Engineering, North Carolina State University , Raleigh, North Carolina 27695, United States (see also ).
Keywords for this news article include: Raleigh, United States, North Carolina, Nanotechnology, Emerging Technologies, North and Central America.
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