Alaa J Mahrath

5 Questions 216 Answers 0 Followers

Questions related from Alaa J Mahrath

How can i prepare the mobile phase (potassium phosphate buffer/methanol 97/3 (v/v)) ?

Salam to everyone I know how to prepared the ratio of the mentioned mobile phase . but my question how much the concentration of potassium phosphate buffer which can i mixed ? thanks

01 January 2019 9,820 7 View

Salam for everyone ;what is the main different between main drying and final drying in freeze drying apparatus ?

In the setup of freeze dryer there are freezine ,main drying and final drying . to remove water from drug formula what is the best condition ? timer in main drying longer than final , both equal...

08 August 2017 2,655 4 View

Hello; Can anyone suggest a method to prepare dopamine from 2-phenylethylamine?

Any suggestion to prepare this compound or its derivatives.

05 May 2014 2,229 0 View

What is the stepwise process applied on animals like mice to test the effect of an organic molecule as a drug?

If any one could help me to learn or apply a sample ( prepared compound) on a mice to know it's effect as a toxic or not.

03 March 2013 3,540 2 View

How can I know that my prepared organic molecules are novel (not prepared)?

I prepared some heterocyclic organic molecules (derivatives of 1,3- oxazepine -4,7-dione and 1,5-dione) in my Ph.D program and I wrote a literature review about my project, but I need to be sure...

09 September 2012 7,221 76 View