Ben Wajda

2 Questions 2 Answers 0 Followers

Questions related from Ben Wajda

Non-consistent precursor ions in LC-MS/MS and reduced intensity after derivatization using TMS-DAM (peptide mass spec)?

Hi, I am trying to develop an assay to detect a conjugated peptide in plasma. I am essentially brand new to MS but have LC experience. The analyte of interest is a bisphosphonate tethered to...

13 January 2020 3,131 1 View

HPLC Chromatograph drifting from baseline and showing "peaks" on a blank run. The same baseline pattern/shape is present in every run?

Hi, I am brand new to HPLC and my training so far has been very limited. I have developed a method that gives me consistent success at detecting my peptide of interest (PTH) at fairly high...

07 December 2018 2,640 9 View