Aida Maaz

5 Questions 8 Answers 0 Followers

Questions related from Aida Maaz

How can I separate metal nanoparticles from their suspension without having them stuck to the wall by centrifuge?

by centrifuge the suspension I am losing quite large amount of the particles being stuck to the wall of the tubes, and there is no way to wash them out. I am considering adding a surfactant (SLS,...

05 May 2019 3,925 4 View

How could I know and control the concentration of Au Nanoparticles suspension as 10% of the expected Au NPs are often lost from washing process?

For seed mediated synthesis of gold nano-crystals with different shapes and sizes. I need to know the exact amount of Au seeds being used for the preparation and which is crucial to the final...

02 February 2019 6,863 3 View

What is the proper way to sterilize polymeric microparticles prepared for ocular drug delivery?

I've experimented sterilization with autoclave, but the melting point of used polymer polycaprolactone is 60 ° C and so it is not suitable for my formula...and so on sterilization with filtration...

12 December 2014 3,879 15 View

Zetasizer measured the size of the nanoparticles according to three criteria; number, volume and intensity. What is the benefit of each one?

Zetasizer instrument gives us these three comparisons with average size of particles, what is the difference between them? And on any measure we should depend upon?

09 September 2014 8,925 14 View

Is it possible for the pH of aqueous phase to affect the poly caprolactone polymer during nanoparticles preparation?

I noticed that Zeta Potential value was increased in alkaline aqueous phase, when I prepared Nano formula with PCL poly caprolactone polymer by nano-precipitation method

09 September 2014 630 6 View