What are the products of vitamin B12 degradation and can they be assayed for?

B12, food fortification, analytical chemistry

01 February 2018 4,981 1 View

What are the importances of shikimate pathway in animals though it occurs in plants and microbes?

What are the importances of shikimate pathway in animals though it occurs in plants and microbes?

31 December 2015 4,861 3 View

How best should Biochemistry be taught?

A quest for skills of a good biochemistry lecturer.

07 August 2015 2,155 1 View

I have problems analysis vitamin B12 from a salt sample. The concentration of B12 in the salt sample is 0.24ug/g. What do you think I should do?

I have a salt sample with 0.24ug/g of vitamin B12. I want to quantify the amount of B12 in the sample. This is too small to be detected by UV-Vis Spec and the high salt concentration and other...

01 January 1970 7,005 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

Best plasmid could be used as a standard curve for AAV titration?

I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...

23 February 2021 5,167 3 View

How can I remove deep eutectic solvents from the medium?

Dear researchers, How can I remove deep eutectic solvents from the medium? You know, generally, deep eutectic solvents consist of ammonium salts and an acid group. Is there any alternative method...

22 February 2021 3,275 3 View