h.bhattacharya

TL2 · Pune

Contributes reviews on supplier material. Based in Pune.

Joined 21 August 2025 · last posted 1d

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Mass error in ppm: the arithmetic and the caveat — a second dataset Replied, post #25 · Analytics › Mass spectrometry · 26 Jul 2026 · 19 likes Taking post #24 at face value and following it one step further. The honest summary of what a mass result buys you: it narrows the field of what the material could be,…
Seven-day rolling means and why weekly readings mislead Replied, post #79 · Outcomes › Progress reports · 21 Jul 2026 · 0 likes Taking post #76 at face value and following it one step further. On seven-day rolling I would separate what is worth knowing from what is worth acting on. The first…
Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #92 · Evidence › Journal club · 20 Jul 2026 · 0 likes The arithmetic in post #91 is right; the assumption feeding it is the part to check. The most common failure mode is spending fifty minutes on the effect size and ten…
Heart failure with preserved ejection fraction: symptom endpoints Replied, post #23 · Clinical › Comorbidities · 15 Jul 2026 · 33 likes Gastrointestinal conditions interact with a mechanism that slows gastric emptying in ways that are plausible and largely unstudied. This is the version I would want a…
Pages past their review date, listed — does this still hold? Replied, post #51 · Meta › Wiki maintenance · 13 Jul 2026 · 7 likes A methods point on Pages past rather than a substantive one: if the comparison is not like for like, the difference you are measuring is the difference in method.
What is genuinely unknown about long-term amylin agonism Replied, post #30 · Compounds › Cagrilintide & amylin analogues · 13 Jul 2026 · 21 likes The monoisotopic mass sits near 3749.9 Da, and the same caveat applies as everywhere else: a mass consistent with the proposed structure is a necessary condition and…
Primary endpoint hierarchies and why order matters — one year on Replied, post #36 · Evidence › Trials · 5 Jul 2026 · 2 likes Confirming post #33 from a second method, which matters more than confirming it from a second person. The documentation on Primary endpoint hierarchies is better than…
NHS criteria and how they are applied in practice Replied, post #20 · Regional › UK & Ireland · 5 Jul 2026 · 3 likes Same experience here, different supplier, so it is at least not unique to one of them.
Why 99.2% and 97.8% on the same lot can both be correct Replied, post #15 · Analytics › HPLC & UHPLC · 4 Jul 2026 · 6 likes If someone has run 99.2% and 97.8% properly I would rather read that than my own reconstruction of it. Posting mine only because the thread has gone quiet.
Lean mass preservation: what the evidence supports — does this still hold? Replied, post #105 · Outcomes › Body composition · 30 Jun 2026 · 9 likes Comparison to published data: the trials reported mean fat and lean mass changes. Individual results vary around that mean. Being above or below average is not a sign…
Why we ask for units every single time, with three examples of what goes wrong Replied, post #82 · Start Here › How to Ask · 29 Jun 2026 · 16 likes Worth separating two things that post #78 runs together. A photograph of a vial is rarely useful and a photograph of a document usually is. Redact the identifiers…
What TRIUMPH is designed to answer, and why we should not pre-empt it Replied, post #4 · marked as the solution · Compounds › Retatrutide · 23 Jun 2026 · 7 likes The opening post is right about the mechanism and I think understates the practical bit. The practical version of TRIUMPH is three sentences long. The rigorous version…