David Stapleton

16 Questions 15 Answers 0 Followers

Questions related from David Stapleton

D-tyrosine solubility?

What's the best way to get powdered D-tyrosine in solution?

02 November 2023 3,356 3 View

Can a biofilm have dual activities at the same time?

Can a biofilm on a boat hull for example, corrode metal on one surface and be an attachment site for marine invertebrates on a different surface at the same time? Or does one event change the...

29 July 2023 3,162 5 View

Who is working on marine biofilm microbiomes?

I am interested to know if there is a difference in the bacterial biofilm compositions between: 1. cool and warmer seas 2. on different surfaces Is anyone here investigating this and would like...

13 June 2023 3,075 2 View

What is the simplest way to isolate polyphenols from apples?

I have apple pomace that contains the flesh, stems, seeds and skin. I want to make an extraction of all the soluble polyphenols in the apple pomace. What is the simplest way to do this? Also, is...

03 October 2022 1,418 2 View

Free Cannabis for research?

This is for Aussie researchers only. If anyone in Australia would like Free Cannabis for research, then please contact me. It will be whole plant extracts with low THC. You will need a schedule...

13 November 2017 3,483 1 View

CBS C699T mode of action?

CBS C699T is a synonymous variant. People homozygous for this mutation have significantly reduced metabolite ratio of homocysteine to cystathionine compared to heterozygous and wild-type...

03 July 2017 2,638 0 View

What is the amino change in the Cystathionine β-synthase SNP, C699T?

What happens to people's Cystathionine β-synthase when they are homozygous for the C699T SNP?

29 June 2017 8,018 4 View

What B vitamins go best together in terms of a multi-B vitamin capsule?

I am looking to make a multi B vitamin to be delivered either orally or by sublingual drops. I know that folic acid is out, but what about the other B vitamins?

20 April 2016 5,930 4 View

Which is better for treating Vitamin B12 deficiency: Methylcobalamin or Hydroxocobalamin?

This is for IM use only.

11 April 2016 6,393 8 View

Can vitamin B12 be taken on its own as a supplement or does it require a folate, and if so which one: folate, methyl folate or folinic acid?

I am planning tp develop a transdermal patch with vitamin B12 on it but I need to know if it requires anything else for it to be absorbed well. Talking with naturopaths is confusing, need science...

29 March 2016 393 14 View

Does anyone know what is in Buffer A and B that accompanies Agilent's MARS6 or MARS14 columns?

...

13 August 2015 8,756 1 View

If hydrogen peroxide and molybdenum are mixed together in water, do they form a new product or stay as they are?

Assuming at room temperature and for a few days incubation

21 July 2015 4,062 7 View

What is the end product if you add excess hydrogen peroxide to sulphur dioxide at around pH 3-4?

Assuming this reaction is happening in a glass of wine.

07 July 2015 8,782 6 View

Is anyone familiar with ITRAQ 8-plex?

Hi, I have two different groups - control and diseased, with 4 biological replicates in each. I labelled tryptic peptides from each with iTRAQ 8-plex, so 4 per group. Now I am trying to analyse...

03 December 2014 7,258 2 View

Has camelina meal been approved as GRAS by the FDA for horses?

I have created an equine prebiotic that contains camelina meal. It works so powerfully that I want to sell it to large brands. However they will not take it unless it has been made GRAS by the...

01 January 1970 4,856 1 View

Biofilm specificity - why does biofouling occur on some rocks and not others?

Take a look at the attached photo, taken a few metres from the shore in Port Phillip Bay near Melbourne, Australia. Why are there mussels completely covering one rock and not the others? Is there...

01 January 1970 4,787 0 View