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Heteroaggregation between citrate-stabilized gold nanoparticles and hematite colloids : mechanisms and quantification of nanoparticle-colloid interactions

Creator:

Smith, Brian M.

Abstract:

Understanding the aggregation behavior of engineered nanomaterials (ENMs) in aqueous environments is essential to understanding their fate, transport, and toxicity. Because naturally occurring colloids will likely be present at much higher concentrations than ENMs in environmental systems, heteroaggregation and attachment with these natural colloids could significantly influence ENM fate and...

Resource Type:

Masters Thesis
The effects of engineered coatings and natural organic matter on nanoparticle aggregation

Creator:

McDowell, Shannon A.

Abstract:

In order to better predict the aggregation state of nanomaterials, the factors that influence aggregation must be understood. The combined effects of natural and engineered coatings have been shown to factor into nanoparticle aggregation behavior in preliminary research. In this study, aggregation behaviors of gold nanoparticles with two different engineered...

Resource Type:

Masters Thesis
Molecular origins of surfactant-mediated stabilization of protein

Creator:

Lee, Hyo Jin

Abstract:

Nonionic surfactants are commonly used to stabilize proteins during upstream and downstream processing and drug formulation. Surfactants stabilize the proteins through two major mechanisms: (i) their preferential location at nearby interfaces, in this way precluding protein adsorption; and/or (ii) their association with protein into "complexes" that prevent proteins from interacting...

Resource Type:

Dissertation

ScholarsArchive@OSU

Heteroaggregation between citrate-stabilized gold nanoparticles and hematite colloids : mechanisms and quantification of nanoparticle-colloid interactions

The effects of engineered coatings and natural organic matter on nanoparticle aggregation

Molecular origins of surfactant-mediated stabilization of protein

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