Mohamed Mannaa

3 Questions 22 Answers 0 Followers

Questions related from Mohamed Mannaa

From raw crustacean exoskeleton to chitosan ?

greeting dear colleagues, can someone propose an easy and applied method for production of chitosan from raw crustacean exoskeletons or even other sources ? or helpful materials for that ? Thanks

21 July 2016 6,604 2 View

How can I have pure aflatoxin from Aspergillus flavus, to be used later as an ingredient in bacterial liquid culture media ?

I've seen in the literature that I can use choloform and then hexane.. but how can I get rid of them before adding aflatoxin to the bacterial culture media ? the other method was to grow...

17 September 2015 3,512 5 View

Is there an easy way to prepare colloidal chitin to be used for bacterial media ?

I wanna check the ability of one bacteria to produce chitinase enzyme, in the literature it showed some methods to obtain the colloidal chitin, but last time I tried it, it failed, maybe because...

26 March 2015 6,025 3 View