i have already try water with( ammonium acetate) and Acetonitrile having 1 hour run time but peaks are not seprated well?
i am working on plant extract, and having lots of peak through LCMS. can anyone help me to give her/his suggestion how i can separate my compound of interest after LCMS ANALYSIS?
08 September 2018 3,353 2 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this
05 August 2024 7,902 3 View
Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...
05 August 2024 3,084 6 View
I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...
03 August 2024 4,725 2 View
Do these peaks in the curve indicate primer dimer or non-specific products?
01 August 2024 7,466 0 View
Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?
01 August 2024 7,504 2 View
Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...
30 July 2024 435 3 View
I am using the Polyomics Integrated Metabolomics Pipeline (PiMP) for metabolite feature analysis. After annotating my data, I have encountered cases where multiple potential metabolites are...
24 July 2024 5,789 0 View
Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?
22 July 2024 1,210 2 View
Is it the best optimization ratio based on experiments?
22 July 2024 8,170 0 View