Heng Zhao

2 Questions 4 Answers 0 Followers

Questions related from Heng Zhao

Problem about Pyruvate Dehydrogenase activity Colorimetric Assay Kit (biovision): Why higher background in substrate-free control?

Now I am using this kit to measure PDH activity in prostate cancer cell line PC3. The NADH standard curve looks great. The curve of cell sample in linear dilution looks great, too. However, the...

07 July 2015 2,684 6 View

Why when I measure peptide in Qtrap, does the first sample look great, but in the following injections many (not all) peptides' signals decrease?

1- Another project is going on in the same instrument (to measure amino acid). Only the column is different. This one's result looks fine. 2- Every time, the first sample has good signal, then the...

11 November 2014 3,894 6 View