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

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

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

Is there anyone working with prostate cancer cell lines in a Malaysian university?

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

07 August 2015 6,403 3 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

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Why do paired electrons atoms produce no magnetic field lines?

If you think of electrons with spin as bar magnets, you know bar magnets of opposite polarity as long as they're not occupying the same spatial location don't cancel out each other's magnetic...

03 August 2024 3,927 2 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View