Ibrahim Elsharkawi

6 Questions 9 Answers 0 Followers

Questions related from Ibrahim Elsharkawi

Is there any reliable sites or databases for clinical researches other than (ClinicalTrials.gov) ?

I wonder if there is another databases that I can find current clinical trials on certain topic, other than ( ClinicalTrials.gov )

21 September 2018 4,922 16 View

How to know the stability of drugs and reagents in the cell culture media?

The biological half life of all the approved drugs is already tested and well known. I wonder if there is a source to know the stability of certain drug/reagents in the cell culture media, or...

14 December 2017 2,816 10 View

What is the best concentration and exposure time of selenium to be used as an antioxidant (protective role) in cell culture ?

We need to check the protective effect of selenium against the oxidative stress in cell culture

08 April 2017 2,462 7 View

Can Insulin be used as Golgi apparatus marker ?

can I use insulin it self as a marker for Golgi in immunoflurecense or I need another marker to prove that the insulin signal I get is inside Golgi ?

21 October 2016 542 7 View

For how long can I keep the cell pellet at -20 ?

I pelleted the cells and store them in -20 in order to lysate them and make RNA and protein analysis after that.

22 May 2016 7,246 8 View

For how long can I keep the cells in sodium azide in fridge after fixing them with methanol ?

I want to do immunoflurecense analysis, I fixed the 6-well plate cells with 100% methanol and put them in 0.02% sodium azide in fridge. For how long can I keep them like that before starting...

22 May 2016 1,984 1 View