Ben Wajda

3 Questions 1 Answers 0 Followers

Questions related from Ben Wajda

(Trimethylsilyl)diazomethane (TMSD) As a Derivitization Agent?

Hi, I have read numerous papers about using (Trimethylsilyl)diazomethane (TMSD) to derivitize/methylate the negatively charged phosphate groups present in bisphosphonate compounds for LC-MS/MS or...

11 November 2019 7,488 2 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...

12 December 2018 3,038 10 View

Shimadzu LabSolutions software says PDA is ready, then when I start a run it switches to "standby"?

Hi, We recently upgraded to Shimadzu LabSolutions software and I have yet to be able to acquire any data. When I load my method and start everything, it lists "LC Ready" and "PDA Ready." However,...

11 November 2018 6,639 4 View