Angelica Corpuz

3 Questions 7 Answers 0 Followers

Questions related from Angelica Corpuz

What is the yellow coloration during the reaction of tyrosinase and levodopa substrate?

I am trying to measure the catalytic activity of immobilized tyrosinase using L-Dopa substrate. I notice that unlike the pinkish/orange brown coloration with pristine enzyme, it could give me a...

23 July 2025 9,378 0 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

23 February 2021 5,830 3 View

Are all gluten T-cell epitopes internal? Or how to determine if a T-cell epitope is surface or internal type?

I have read that T-cell epitopes are all linear but have not seen any claims if found on the surface or internal part of the protein. I have been looking for references on this subject but I can...

29 September 2020 9,005 4 View