10 Questions 16 Answers 0 Followers
Questions related from Xiaofang Yuan
Hello, everyone. I found the bacteria I cultured can be inhabitated by another bacteria when I culture then together in the plate. Now, I want to analyze which metabolite contribute to the...
12 December 2018 4,973 2 View
When I analyze NMR data for metabolomics combined with other omics, can I use relative quantification data but not absolute quantification to do multi-omics data analysis?
07 July 2018 799 5 View
For metabolimics analysis, sample repeat is necessary, but how to know how ,any samples do I need is enough for analysis? For example, microorganism, plant or tissue?
07 July 2018 5,068 3 View
anyone know the composition of beef extract and yeast extract
01 January 2018 3,013 5 View
pH of medium would be decreased, anyone know how cell export lactic acid into medium?
12 December 2017 2,967 0 View
When I use freeze-dryer, after freeze at -80C for 5 or 7h, drying it but there are always sample loss after drying, some of the dried sample get out of the glass tube. How to avoid the loss?
03 March 2017 8,027 7 View
I am a beginner in R language and I want to analyze metabolomics data with R. Recently I found an R package "muma" which is for metabolomics data analysis but I don't know how to use that package....
01 January 1970 9,174 6 View
When I analyze 20 amino acids with GCMS, I use MSTFA to react with sample, but there are some combined peaks cannot be separate. Like proline-Isoleucine, and i cannot detect tryptophan and...
01 January 1970 2,450 11 View
How to analyze 20 amino acids with GC MS? I cannot separate proline-isoleucine peak and cannot detected arginine, glutamine peaks.
01 January 1970 8,454 1 View
I want to analyze TCA cycle, but pyruvic acid, glyoxylic acid cannot be detected. My GC MS is 7890A-5957C, HP-5MS column, MTBSTFA as derivatization reagent, Anyone can give some advice?
01 January 1970 1,263 3 View
