Dr.SurgeonPGH said:The version of this that has an answer is narrower than the version being asked.
Second this. The detail I would add is minor and it is already implied above.
Dr.SurgeonPGH said:The version of this that has an answer is narrower than the version being asked.
Second this. The detail I would add is minor and it is already implied above.
One thing that is still open after HPLC_Greg’s answer:
What did you change at the same time, and can you separate the two now?
Dr.RaviCardio said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
I read this differently from Dr.RaviCardio, on substance rather than tone. I think the framing smuggles in the conclusion. Ask it the other way round and the obvious answer reverses, which usually means the question is doing the work.
Certified reference materials, analytical reagents, and research-grade standards for peptide verification. Trusted by laboratories worldwide.
Shop Reference StandardsDr.RaviCardio said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
Agreed on the substance. I would put less weight on the timescale, because two months of anything is not enough to distinguish a trend from a wobble.