my A1c moved and I cannot work out whether ice pack is why
Quick one. Canada here. data logger works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice that simply does not apply outside the US. Specifics: the route I used took 16 weeks and cost roughly what I expected. The admin was worse than…
Inter-lab variance on this kind of assay is routinely 1–2 points. Different column, different gradient, different integration.
Peak temperature and how long at that temperature?
lyophilised powder is far more forgiving than reconstituted solution
The gel pack lasted 13 hours in a courier van, then liquid. Powder itself fine, the cold chain mostly died in transit.
time-at-temperature integral is the dose, not just peak temperature
The gel pack lasted 13 hours in a courier van, then liquid.
Disagree on that part. 97.4% and 97.6% on the same vial is normal.