8 Questions 20 Answers 0 Followers
Questions related from Nurul Ashikin Abdul Karim
How to know the wavelength that i should use to measure the optical rotation? What is the difference between optical rotation and optical ellipticity? thanks
14 March 2016 5,188 7 View
I'm extracting glucomoringin from plant. when i read in journal, most stated that it must be activated with enzyme before it can be use for any biactivities.The purpose is to hydrolyze the gmg to...
03 November 2015 2,244 3 View
I'd done MTT assay on a cancer cell line to study cytotoxicity of crude plant extracts. The incubation period for the assay were 24, 48 and 72 hours. However, i found that some of the ic 50...
02 September 2015 3,736 3 View
Prostate cancer cell lines in local university. I really need to find those cell lines. thanks
21 August 2015 5,883 3 View
can i use Hams f12 k media instead of f12k media to culture pc3 cells. Since i'd finished my media and have to wait about 3-4 weeks to get new batch. i only have hams f12 and rpmi media
27 July 2015 7,900 4 View
i had done tlc for my crude extract as it has been suggested by sv to check the compound and solvent system. i had found only 1 spot for my crude and the best solvent system. my desired pure...
24 March 2015 6,353 15 View
Extinction coefficient for enzyme calculation. I need to calculate specific enzyme activity. I have to use extinction coefficient (cinnamic acid) in the calculation. What I don't understand is why...
30 April 2014 6,017 3 View
I need to know what type of compound this is (from NMR) and how to determine this compound (maybe it is beta sitosterol).
29 July 2013 3,703 3 View
