W. P. R. T. Perera

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Questions related from W. P. R. T. Perera

What changers can occur if Arsenobetaine (Organoarsenic) digested with an acid (Nitric acid) ?

Arsenobetaine is the non toxin organic form of Arsenic commonly found in fish.If muscle of fish samples subject to a acid digestion, will non toxic nature be changed

31 May 2020 9,261 4 View

Any explanation about the effect of the pH value on SARS-CoV-2 Virus activity ?

Some studies reveal that SARS-CoV-2 virus activity can be mitigated at the alkaline pH medium (above pH= 7.5). Any explanation about the mechanism or the Chemistry behind this phenomenon.

29 May 2020 9,509 3 View

What is the best technique / extraction method for extract sesquiterpene coumarins from oligo-gum resins of Ferula asafoetida ?

Phyto-chemicals such as Conferone, Samarcadin, Bdrakemin Farnesiferol A, Fernesiferol C and Galbanic acid can be isolated from Ferula asafoetida. suggest proper extraction methods and solvent to...

23 May 2020 6,510 6 View