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Questions related from Sally Burr
Hi, I am interested in the polysaccharide composition of wheat and oat bran. I assume that cellulose, arabinoxylans, mixed-linkage glucans and possibly some starch will be present, because these...
07 July 2022 4,920 0 View
Does anyone know of a reducing ends assay which can be used on pectins without degrading the pectin backbone? The DNS assay, which I have been using for pectinase assays, contains strong alkali.
08 June 2021 4,723 1 View
As a matter of interest, does anyone know if the R software can be used to analyse 1D NMR spectra, especially by identifying peak areas?
06 April 2018 3,450 2 View
I am studying the reaction of carboxylic acids with a polymeric amine by enzymatic means. Is there a good method of determining quickly whether I have amide bonds or whether all that has happened...
13 May 2017 205 2 View
Does anyone know how long the catalyst-chromophore reagent 4-bromophenacyl bromide can be stored in an acetonitrile solution with 18-crown-6? Does the solution have to be used the same day, or...
03 August 2016 9,028 1 View
I am considering using sodium cyanoborohydride in a reductive N-alkylation of a polysaccharide, and want to know how to handle it safely and dispose of the nitrile byproduct. Has anyone experience...
29 January 2015 4,270 8 View
I have been trying to quantify oleic acid by HPLC using this protocol derived from the www.cyberlipid.org website. Dissolve oleic acid standard in 0.5ml methanol (concentration range from 2mg/ml...
19 November 2014 6,727 3 View
I am thinking of doing research on oligomerized cinnamic acid derivatives in the plant cell wall. Given that lignans vary quite a bit in molecular weight, degree of polymerisation, and structure,...
25 March 2013 1,841 3 View
I am interested in hearing from anyone who has succeeded in getting a Marie Curie IEF or CIG or similar grant. What makes the difference between failure to meet their criteria (impact, S&T quality...
21 March 2013 878 0 View