Charles Lam

3 Questions 4 Answers 0 Followers

Questions related from Charles Lam

N-butanol and ethyl acetate? Which solvent is more polar?

Recently, I'm working on a project involving the use of n-butanol and ethyl acetate for phytochemical extraction. However, I'm confused with regards to the polarity of these 2 solvents, based on...

04 April 2014 3,423 3 View

Problem with MTT cytotoxic test - can anyone help?

I am currently working on cytotoxic test involving K562 (leukemia cell lines), in this experiment, it involved the use of MTT to test for the cell viability. However, I encountered a problem here,...

12 December 2013 7,785 4 View

Can anyone help with a positive control for α-glucosidase inhibition assay using Quercetin?

I was trying to determine the EC50 of Quercetin (range of concentration from 0ug/ml to 300ug/ml) in alpha-glucosidase inhibition assay, by dissolving Quercetin in 99.5% methanol and did the...

11 November 2013 9,393 1 View