Xuannam Truong

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Questions related from Xuannam Truong

Who can share the UV-Vis spectrum of BHT and its degradants?

I found 2 characteristic peaks at 204 nm and 251.5 nm in the UV-Vis spectrum of the ethanol solution hold inside the turned-yellow (old) PE bottle for about two weeks. After that the bottle turn...

06 June 2015 9,338 1 View

Will the activity of alkaline protease be reduced or not when NaCl is removed from them?

Alkaline protease is treated with NaCl up to 90%. Will the efficiency of the enzyme remain the same when NaCl is removed before conducting the hydrolysis procedure? Thank in advance.

03 March 2015 6,725 10 View

Which solubilizing agent (not containing ester group -COO-) can be used to solubilize vitamine E into the aqueous solution?

Solubilizing agents (containing ester group -COO-, for example, Polysorbate 80, cremophor RH 40) will be hydrolyzed in aqueous solution containing complex of Zn2+. I suppose that Zn2+ is...

03 March 2015 6,163 4 View

What method is the most popular method to remove Na+ from the solution of protein in the lab?

I confuse membrane filtration and gel filtration. Thank you.

03 March 2015 6,610 8 View