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Questions and Answers
What is the most commonly used technique to measure the surface charge of nanoparticles?
What is the most commonly used technique to measure the surface charge of nanoparticles?
- Hydrophobic interaction chromatography
- Zeta potential (correct)
- Octanol-water partitioning
- Contact angle measurement
What is the effect of highly positively- or negatively charged particles on colloidal dispersions?
What is the effect of highly positively- or negatively charged particles on colloidal dispersions?
- They form stable colloidal dispersions (correct)
- They have no effect on colloidal dispersions
- They form unstable colloidal dispersions
- They increase the hydrophobicity of the nanomaterials
What can cause a change in the surface charge density of nanoparticles?
What can cause a change in the surface charge density of nanoparticles?
- Only interactions with biomolecules
- Neither the external environment nor interactions with biomolecules
- Only the external environment
- Both the external environment and interactions with biomolecules (correct)
What is a key indicator for colloidal stability?
What is a key indicator for colloidal stability?
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What dictates the dispersion of nanomaterials in a medium?
What dictates the dispersion of nanomaterials in a medium?
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What is the significance of hydrophobicity in the biological milieu?
What is the significance of hydrophobicity in the biological milieu?
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What is one of the methods to measure the hydrophobicity of nanomaterials?
What is one of the methods to measure the hydrophobicity of nanomaterials?
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What is the impact of hydrophobicity on the fate of nanomaterials?
What is the impact of hydrophobicity on the fate of nanomaterials?
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