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Nanoparticle Transport in Crowded, Confined Media

Originally delivered Mar 30, 2022
  • Type:
    Archived Webinar
  • Level:
    Intermediate
  • Duration:
    1.25 hours
  • PDHs:
    1.00

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Transport of nanoscale particles through crowded, confined matrices is essential for drug delivery, diagnostic assays, and processing of nanocomposite materials. Because nanoparticles are comparable in size to heterogeneities within these matrices, their transport properties may be altered by local fluid properties and nearby confining surfaces. I will discuss our recent experiments and simulations of nanoparticle transport in three settings: polymer solutions, which model viscoelastic liquids; supercooled and glassy colloidal liquids, which model crowded suspensions; and porous media. Understanding of the coupling of nanoparticles dynamics to liquid relaxations and geometric confinement will lead to better control over the spreading of nanoparticles through complex, heterogeneous materials.

Presenter(s): 

Jacinta Conrad

Jacinta Conrad is a physical scientist studying transport and dynamics within soft, complex materials and matrices. Using a broad range of microscopy, rheology, scattering, and computational methods, her group seeks to understand how microscale particles, including colloids, nanoparticles, bacteria, viruses, and proteins, explore and/or transport through confined and crowded environments containing polymers, macromolecules, or other dispersed species. Insights gained from fundamental studies of these non-equilibrium processes inform the design of new materials for preventing fouling and...Read more

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