Adaobi Iwu

5 Questions 5 Answers 0 Followers

Questions related from Adaobi Iwu

Making vaccines using the virus's protein?

What is the process in using only parts of viruses such as proteins which can be recognized by the immune system to make vaccines such as in the case of the spike protein for Mers-CoV? I...

24 February 2020 1,262 5 View

What are the possible sources of error if i carried out Iodine staining on a TLC plate and no mark appeared?

I carried out thin layer chromatography and afterwards had to stain my plate with iodine as an alternative viewing method but the analytes did not take a brown or yellow color. The whole plate was...

21 February 2020 5,390 3 View

Comparing two chromatograms?

QUESTION I WAS ASKED: Compare the chromatograms in Appendix 1 and Appendix 2 and note your observations? MY QUESTION: What exactly am I meant to compare? I know you guys are not seeing the...

01 December 2019 3,690 2 View

What are the possible sources of error if I run a gel and can only see the DNA ladder under the UV light?

Hey guys, I did a restriction digest and ran my sample on an agarose gel. Under the UV light, all I can see are the bands of the ladder. A loading buffer was used.

30 November 2019 1,183 3 View

What are the possible errors for no precipitation of benzocaine after adding sodium carbonate?

1.2g of p-aminobenzoic acid and 12 ml of ethanol were put together and swirled till homogenous. 1ml of concentrated sulfuric acid was added in drops while the mixture was still being stirred. The...

01 January 1970 9,886 0 View