NMR Metabolomics, I am getting extra peaks in samples of human(bladder cancer) and animal hepato toxicity study. 1H NMR CPMG spectra, attached spectral region. Sample collected in plain vials only.
Alfred Ross
Dear Atul,
..could be a metal complexed EDTA..there are sampling vials which have EDTA coatings!
...kind regards
Alfred
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Clemens Anklin
Dear Atul,
do you have TSP or DSS in the sample as a chemical shift reference?
Clemens
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Atul Rawat
Thank you every one for your suggestions. Yes i have TSP as an external reference and we haven't used used the EDA vials. Chenomx is not able to identify the peaks. Attaching the spectra of Rat serum albino wistar with extra peaks.
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