Gelareh Rezvan

3 Questions 4 Answers 0 Followers

Questions related from Gelareh Rezvan

Zeta potential of laponite RD is less than what has been reported in the papers.Is there any specific sample preparation?

Hi, I am trying to observe the zeta potential of Laponite RD, by BYK, by changing the pH using auto titration. I mixed 100uL of 0.25 wt.% laponite suspension with 4 mL pure water. The initial pH...

08 July 2020 9,813 3 View

Gelatin nano particles, obtained by two-step desolvation, do not re-disperse in water. What is the problem?

Hello I have synthesized gelatin type A nano-particles by two-step desolvation. After 4 days of freeze-drying, the powder was kept in the freezer (-80 C). Today I tried to redisperse the...

19 February 2020 9,604 10 View

The small dimension of gelatin nano gel. what is the problem?

Hi I am trying to Synthesis gelatin (type A) nano particles by two-step desolvation method. By DLS, the dimension of gelatin particles are less than 50 nm. I am not sure what is wrong with my...

24 July 2019 1,062 3 View