6 Questions 25 Answers 0 Followers
Questions related from Helmi Y. Alfarra
Hello every body. Using (SensiFast Sybr No-ROX one step kit) from Bioline, I did qPCR experiment used one -same- sample with 3 different concentrations of RNA and two different reference genes....
19 August 2016 3,579 6 View
Our lab have received cell lines panel. I would like to know which one in the panel is FR+ and which one is FR- ? Can any one hint me please? Thanks
08 June 2016 2,382 3 View
I have met some one told me that he did some experiments on wounds healing using cancer cell line instead of normal cell line. I it applicable to do that and to publish the results?
13 November 2013 9,922 9 View
Is there any quick method to know, if the isolated phytochemical is novel or already known? The structure of the compound was already identified using NMR spectra and EI-MS spectra.
07 September 2013 5,999 11 View
I have these results of TLC, I am not sure why this happens or whether the products are the same or not? Please see the picture attached bellow. This TLC was stained by vanilin and this is the...
04 February 2013 7,269 19 View
I have some crystals with different shapes and some are cube like. I have run a methanolic extract of Centella asiatica in a silica column and one of the fractions, after a long time, showed some...
31 January 2013 2,179 48 View