Mark E Obrenovich

5 Questions 15 Answers 0 Followers

Questions related from Mark E Obrenovich

Are there good methods to quantify H2S at PPB levels in biologic samples (but not in ambient air) ...any user suggestions?

We seek recommendations for methodology but not with commercial detectors of the ambient air sort. Any real use recommendations ? GC methods could be one approach if I build it in the...

07 April 2017 7,662 5 View

-seeking methods to quantify H2S at PPB levels in biologic samples (but not in ambient air) ...any user suggestions?

We seek recommendations for methodology but not with commercial detectors of the ambient air sort. Any real use recommendations ? GC methods could be one approach if I build it in the...

30 March 2017 6,019 1 View

Can anyone recommend a protocol for quantifying polyphenols by LCMS (any) in urine?

There are issues with conjugation phase II but I am focused on intestinal bacterial role. The markers could include catechols, flavanols, flavonols. Particularly pyrogallol and pyrocatechol and in...

17 March 2014 2,167 3 View

In vitro diagnostic for cancer are you wiling to hear my approach?

I am looking to promote my IVD for cancer. I was not triaged, but did get a good score 22, but not good enough, so I started a nonprofit to raise money. Maybe we should talk. I exploit the tumor...

01 January 1970 3,565 2 View

DMSA mercury chelation pros and cons

ICP mass spec and mercury analyzers are used to quantify mercury in samples. DMSA is a very good chelator, but often it contains mercury due to poor laboratory practice and manufacturing process....

01 January 1970 3,482 2 View