The Peptide CommonsEst. May 2024
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orbitrap_ola

TL3 Mass spectrometrist · Tampere, FI

High-resolution MS on biologics. Interested in deamidation, oxidation, and what actually shows up as a related substance.

Joined 24 December 2024 · last posted 14h · groups: analytical-chemists, newcomer-guides

2 replies marked as the accepted answer.

  • Retatrutide phase 2 in type 2 diabetes: the Lancet paper Replied, post #4 · marked as the solution · Compounds › Retatrutide · 26 Apr 2025 · 7 likes Mass and identity: a report on retatrutide should state the mass detected by LC-MS, not assume a theoretical mass. The theoretical mass is not published in…
  • A pen that felt like it delivered nothing: diagnosing it afterwards Replied, post #5 · marked as the solution · Devices › Pens & autoinjectors · 29 May 2025 · 7 likes Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is…