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Questions and Answers
What is the primary technique used to measure the surface charge of nanoparticles?
What is the primary technique used to measure the surface charge of nanoparticles?
- Contact angle measurement
- Hydrophobic interaction chromatography (HIC)
- Zeta potential (correct)
- Octanol–water partitioning
What determines the extent to which a nanomaterial can be dispersed in a medium?
What determines the extent to which a nanomaterial can be dispersed in a medium?
- Ligand shell composition
- Hydrophobicity of the nanomaterial surface (correct)
- Surface charge density
- Electrical double layer (EDL) thickness
What is the result of highly positively- or negatively charged particles in an aqueous environment?
What is the result of highly positively- or negatively charged particles in an aqueous environment?
- Neutral colloidal dispersions
- Stable colloidal dispersions (correct)
- Unstable colloidal dispersions
- Aggregated colloidal dispersions
What is the purpose of measuring the surface charge density of nanoparticles?
What is the purpose of measuring the surface charge density of nanoparticles?
How can the surface charge density of nanoparticles change?
How can the surface charge density of nanoparticles change?
What is the term for the layer that forms around nanoparticles in an aqueous environment, leading to stable colloidal dispersions?
What is the term for the layer that forms around nanoparticles in an aqueous environment, leading to stable colloidal dispersions?
What is the role of hydrophobicity in the biological milieu?
What is the role of hydrophobicity in the biological milieu?
What method is used to measure the hydrophobicity of nanomaterials?
What method is used to measure the hydrophobicity of nanomaterials?
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