Agglomeration of nanoparticles is a major concern and pose many challenges in different applications. But to avoid such problem one can either use a compatible capping agent such as any functionalized material or chemical moiety which enhances the stability of the nanoparticles and keep it bonded which further enables its reusability and reproducibility. Most basic and widely used example of such a process is the development of citrate-capped gold/silver nanoparticles. But again these chemical compounds does not provide much stability and leads to exposure of nanoparticles (Au/Ag) into the environment causing many problems thus, due to this, a suitable polymeric material might prove to be a great alternative.

Hope this might provide you a rough idea about how to find a suitable material for enhancing the stability of your nanoparticles(any) based on the field of interest of your application.

Hello Ravichandran

You can use stabilizing agent.You have not specified which nanoparticles you are talking about.During synthesis main focus is given to stability.By using appropriate method of synthesis which includes a ggood stabilizing agent you can synthesize good stable nanoparticles for given application.

Hello

It all depends upon which nanoparticles you are trying to synthesize and also method of synthesis.Using capping agents or by using a method of synthesis which can give stable particles problem can be solved.

Hello Ravichandhran Gobi

Yes, nanoparticle agglomeration can represent an obstacle for biomedical applications. The stability of nanoparticles depends on the type of nanoparticle, the surface chemistry, and the environment in which they are used. In general, nanoparticles are more stable in aqueous solutions than in organic solvents. Additionally, the surface chemistry of the nanoparticles can affect their stability, as certain functional groups can increase the stability of the nanoparticles. Finally, the environment in which the nanoparticles are used can also affect their stability, as certain pH levels, ionic strength, and temperature can all affect the stability of the nanoparticles.

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PVP, PVA, and PEG are polymers that are commonly used as stabilizers in the synthesis of nanoparticles. They are used to prevent the nanoparticles from aggregating and to improve their dispersibility in aqueous solutions. PVP is a polyvinylpyrrolidone polymer, PVA is a polyvinyl alcohol polymer, and PEG is a polyethylene glycol polymer. These polymers form a protective layer around the nanoparticles, which helps to prevent them from sticking together and allows them to remain suspended in solution. This improves the stability of the nanoparticles and makes them easier to handle and use in various applications.