Parastoo Sabaeifard

4 Questions 13 Answers 0 Followers

Questions related from Parastoo Sabaeifard

How can we remove DMSO from nanoparticles?

I use DMSO as the solvent for PLGA and a hydrophobic drug. After particles preparation, how can I remove DMSO? I tried centrifugation but the pellets are as sticky as they can not be resuspended....

11 November 2014 4,031 14 View

What is the optimum size range for polymeric nanoparticles to use for antibiotics delivery?

My particles have less than 50 nm diameter, are they suitable to use as a drug carrier or not? Are they too small?

02 February 2014 6,396 11 View

In dynamic light scattering method, what does Z-average mean?

I used two different zetasizer instruments to determine nanoparticles' size and I got 2 different Z-averages, Z-average (d.nm) and Z-average (r.nm). What are the differences? Which one shows the...

02 February 2014 4,055 13 View

What should be reported as a nanoparticle size? Intensity, volume or number?

For polymeric nanoparticles sized by DLS method (dynamic light scattering) which one is more accurate? Unfortunately, in almost all the articles it is not mentioned whether the reported size is...

02 February 2014 4,984 89 View