Sepehr Yousefdoost

11 Questions 14 Answers 0 Followers

Questions related from Sepehr Yousefdoost

What is the relationship between Ultrasonic homogenizer and polydispersity index?

To form nanocapsules, how does ultrasonication affect on PDI?

07 December 2017 8,951 1 View

Which solvent do you think is suitable to disperse calcium alginate nanocapsules not dissolve (breakdown)?

Hi everyone I prepared alginate nanocapsules as pellet followed by centrifuge. After removing supernatant, Now I have these capsules. My goal is to give alginate nanocapsules as liquid to...

05 November 2016 5,584 9 View

How can I calculate encapsulation efficiency of nanocapsules containing silymarin?

Hi.Dear friends, I need your help. I prepared nanocapsule. core = liquid silymarin (dissolved in ethanol), shell = alginate. (silymarin is a herbal extract that is dissolved in ethanol or methanol...

18 October 2016 7,694 11 View

How to calculate encapsulation efficiency of silymarin-loaded nanocapsules?

Hi dears, My question is about encapsulation efficiency of silymarin-loaded nanoparticles. As you know, the equation is as below:EE% = Total amount of extract - Surface amount of extract / Total...

25 June 2016 4,213 3 View

Nanocrystal and encapsulation?

Hi everybody I need a number of papers pertaining encapsulation of nanocrystals in the filed of drug or food industries. thanks for helping.

03 June 2016 4,259 1 View

How can I dry capsules?

Dear friends, I've prepared alginate nanocapsules which are in distilled water. How can I dry them other than freeze-drying and spray-drying methods? In other word, in order to get a dried and...

05 May 2016 3,489 1 View

Practical procedure of encapsulation efficiency??

Hi Before asking let me tell you about my work. My goal is nanoencapsulation of Silibum marianum total extract (powder) which will be gavaged to broilers as liquid. Nanocapsulation is OK but...

03 April 2016 4,332 8 View

A liquid nanocapsule?

Dear friends I want to make a liquid nanocapsule. Which one of the nanoencapsulation methods is suitable? Active material is a dried extract. thanks.

24 February 2016 9,270 7 View

Nanoencapsulation with alginate?

Does anybody know an exact protocol to encapsulate of silymarin extract with alginate?

08 February 2016 2,982 2 View

Can I use a freeze dryer to get the dried powder of silymarin?

Hello everybody I need a silymarin dried extract. First, I have removed the oil from the seeds and then extracted by ethanol (96%). Next, I put it (ethanolic extract) into a vacuum oven (50 degree...

07 February 2016 6,976 10 View

Hello everyone Could you tell me how to make a simulated gastric and enteric medium exactly? with thanks

05 February 2016 3,614 1 View