Question

Aggregation of nanoparticles can be prevented by:​

Answer 1

Answer:

The prepared nanoparticles must be stabilized in the solution with sulfur-containing molecules, polymers, or proteins to prevent their aggregation [14,15]. ... Gold nanoparticles that are larger than 10 nm play important roles in biomedical imaging and plasmonic applications [18–20].

Answer 2

Explanation:

The method is crucial for storage. " ideas:

if in solution: regular ultrasonification and sterical or electrosterical stabilization would do.

A simple way would be to store nanoparticles in a solid - say resin, polymer, ceramic - and "crack"/"Disolve" the solid shortly before nanoparticle usage. Again this depends on the method of synthesis. Also, to play with different solvents (organic/aqueous) may also be helpful. Determine the Zetapotential with respect to ph or surfactant concentration will give determine the concentraton/ph at which you have maximum repellence between particles.

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