MJayawardena

TL3 Regular · Kuopio, FI

Long-standing member. Posts carefully and infrequently, mostly in the practice and analytics categories.

Joined 11 August 2024 · last posted 18h

2 replies marked as the accepted answer.

Counter-ion content and its effect on measured mass Replied, post #10 · marked as the solution · Analytics › Mass spectrometry · 2 Apr 2025 · 27 likes Calibration matters: a high-resolution instrument out of calibration can report mass with ppm error large enough to be uninformative. Check when the instrument was last…
[2026 update] Gastro-oesophageal reflux: improving or worsening? Replied, post #3 · marked as the solution · Clinical › Comorbidities · 16 Jun 2025 · 22 likes The failure mode on Gastro-oesophageal reflux is boring rather than dramatic. It is almost always the step everyone assumes was done correctly because it is too simple…