08 August 2015 3 6K Report

Prostate cancer cell lines in local university. I really need to find those cell lines. thanks

More Nurul Ashikin Abdul Karim's questions See All
How to determine the optical rotation of a molecule that consist 1 chiral carbon?

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

02 March 2016 3,217 7 View

What is the best solvent to dissolve Glucomoringin (Glucosinolate) to run NMR?

My compound only dissolve in water (glucomoringin). what is the best solvent to dissolve it to run NMR

01 February 2016 7,563 2 View

Can someone help with Glucomoringin extraction and purification?

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...

10 November 2015 7,691 4 View

Is it possible for MTT result to not be time dependent?

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...

08 September 2015 8,944 4 View

Can anyone help with impurities in purified glucosinolates?

I had purify glucosinolates from seed of plant. But when i do NMR, the result showed impurities in 0-2.5 ppm. How can i solved this issue?

05 June 2015 1,853 5 View

What to do when compound did not dissolve in organic solvent?

My compound is a glucosinolate.  It is easily dissolved in water, but I found out that it isnt dissolved  well in organic solvent that i tried such as methanol, ethanol, acetone and hexane I need...

03 April 2015 5,139 6 View

Any suggestions on thin layer chromatography and column chromatography?

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...

02 March 2015 9,103 17 View

Why do some people perceive the orchid as beautiful or attractive?

Why do people spending a lot of money for buying orchid? What are the characteristics of beautiful or characteristics of marketable orchids?

02 March 2014 5,654 1 View

What is the best procedure for pineapple culture n36?

We tried to culture pineapple n36 for some months, but still have fungus contamination. Any suggestion for sterilization techniques?

06 July 2013 8,455 5 View

EDC chemical handling?

I have to use the EDC chemical for my project. I have never used it before, I 'd read on the label for storage condition which stated that it can only be freshly use. Does it mean that I can't...

04 May 2013 4,053 3 View

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