Ostrowski

TL2 Member · Vilnius, LT

Practical questions, practical answers. Not interested in speculation without a source.

Joined 6 January 2025 · last posted 5d · groups: regional-na, regional-apac

2 replies marked as the accepted answer.

Attributing a new peak: degradation product or excipient? Replied, post #2 · marked as the solution · Analytics › Impurities & related substances · 27 Jan 2025 · 8 likes Acetate content: counter-ion content. Trifluoroacetate or acetate from the salt form of the peptide. Affects mass calculations and should be stated on a complete…
What I would record differently if I started again — the long version Replied, post #9 · marked as the solution · Outcomes › Progress reports · 5 Sep 2025 · 7 likes Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when…