Hassan Hajjali

5 Questions 8 Answers 0 Followers

Questions related from Hassan Hajjali

Any suggestions on how to recover microparticles?

I want to prepare microparticles by the water in oil emulsion solvent diffusion method, using vegetable oil instead of solvents. The problem is, the recovery of microparticles and elimination of...

04 April 2014 7,738 9 View

How do you purify a lipid-NP that is less dense than water?

I prepared a solid lipid-NP but after ultracentrifugation the SLN precipitate was on the surface and the entrapped drug was on the bottom. It is very difficult to separate the SLN and the...

04 April 2014 300 6 View

Does anyone know a technique to determine the encapsulation efficiency of curcumin in solid lipid nanoparticles?

I have prepared curcumin-loaded solid lipid nanoparticles, but the problem was in encapsulation efficiency because I was unable to separate the untrapped drug from the curcumin-loaded solid lipid...

03 March 2014 9,352 3 View

Does anyone know how to interprete DLS measurements?

I use DLS to determine the size of lipids nanoparticles, it gives me 3 distributions (intensity, number, volume).

03 March 2014 5,266 16 View

How can I prevent phase separation?

The aim for my study is to prepare solid lipid nanoparticles stabilized with lecithin sodium deoxycholate and tween 80. The problem is that after the sonication process, and during the...

03 March 2014 6,708 7 View