Francis Umeoguaju

3 Questions 4 Answers 0 Followers

Questions related from Francis Umeoguaju

Pls what's right way to combine data (mean and min-maxi data) from different studies?

Hi all, I hope to do a metaanalysis of literature to establish the prevailing level of a pollutant detected in seafoods obtained from a specified region. I wish to obtain a mean ± SEM as well as...

10 October 2019 8,514 6 View

How does one use a pack silica gel with chloroform or ethyl acetate as solvent?

I tried running column chromatography of my flavonoid extract using chloroform. I tried wet packing using chloroform and and while i was washing the column with chloroform, i noticed that the...

01 January 2014 2,250 15 View

How do I prepare the UV shift reagents used for Flavonoid characterization?

I want to prepare NaOMe (I have sodium metal and methanol), Alcl3,alcl3/hcl, naoac, naoac/h3bo3. Please i need information on the concentrations and the quantity to apply during UV Scan. Thanks.

01 January 2014 4,561 3 View