Silvia P P Lino

3 Questions 8 Answers 0 Followers

Questions related from Silvia P P Lino

Does anyone had problems with lapatinib (ditosylate) in DMSO?

I´m using Lapatinib as positive control for MTS essays with K562 and made a stock solution of 10 mg/ml in DMSO. When I prepared it seemed all dissolved well but now (a month have passed) it seems...

11 November 2015 4,670 1 View

What would be the quickest way to know the purity of a certain extract?

I am working with lipid extracts from animals. After fractioning them by polarity I identified the most interesting ones and by GC I am able to analyze the FAME content. But that will only provide...

01 January 2013 7,227 13 View

How do you know if your GC column reached its life time?

Im using a DB1 with 60 m and we have run about 250 samples with crude extracts from natural origin. We inject on column, with a pre-column and the program gave satisfying results but now the...

11 November 2012 4,639 16 View