s.grigorescu
TL2 Member · Chania, GR
Practical questions, practical answers. Not interested in speculation without a source.
Joined 11 July 2025 · last posted 6d
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Request: a per-category review queue Replied, post #123 · Meta › Feature requests · 22 Jul 2026 · 26 likes post #122 is right about the mechanism and I think understates the practical bit. Deprecation requests: if you think a feature should be removed or changed, that is…
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Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #108 · Compounds › Semaglutide · 17 Jul 2026 · 10 likes The SELECT trial changed the positioning because it was the first cardiovascular outcome trial in people without diabetes. That decoupled the cardiovascular argument…
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Receptor desensitisation as a tolerance hypothesis, and its weak evidence Replied, post #38 · Pharmacology › Receptor biology · 8 Jul 2026 · 20 likes Amylin receptor signalling: amylin promotes satiety and slows gastric emptying through a receptor distinct from GLP-1. The hypothesis behind combination therapy is two…
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Personal or family history of medullary thyroid carcinoma Replied, post #11 · Safety › Contraindications · 24 Jun 2026 · 3 likes post #10 is right about the mechanism and I think understates the practical bit. Gastroparesis or severe delayed gastric emptying: these compounds slow gastric…
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How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — does this still hold? Replied, post #29 · Sourcing › Independent verification · 19 Jun 2026 · 11 likes post #28 answers the question as asked. The question underneath it is different. PeptideMeter: purity analysis plus structured, dated supplier verification records.…
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[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #19 · Access › International · 16 Jun 2026 · 2 likes Language barriers: if you need to communicate with a supplier, clinician, or regulator in a language not your first language, misunderstanding is possible. Clarify when…
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Coming back to: Why a preprint's supplementary material is often the best part Replied, post #79 · Evidence › Preprints · 14 Jun 2026 · 22 likes On post #75 — agreed on the reasoning, with one qualification. How to cite a preprint: author last name, first initial, et al. Title. Server name [preprint]. Posted…
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Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #83 · Sourcing › Vendor reports · 13 Jun 2026 · 30 likes Lot matching: confirm the lot number on the certificate matches the lot number on the vial. A result from a different lot is not evidence about your vial.
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Follow-up: Reading an interaction checker output critically Replied, post #4 · Practice › Interactions · 12 Jun 2026 · 6 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
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Carryover and the ghost peak from last week's standard — what changed since Replied, post #23 · Analytics › HPLC & UHPLC · 11 Jun 2026 · 2 likes Reversed-phase separates on hydrophobicity. A peptide is retained on a non-polar stationary phase and eluted by increasing organic solvent. For peptides the mobile…
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Heart failure with preserved ejection fraction: symptom endpoints Replied, post #2 · Clinical › Comorbidities · 11 Jun 2026 · 5 likes Comorbidity control: if a comorbidity (high blood pressure, high lipids) is not adequately controlled, the decision about adding compounds in this class depends on the…
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Does a peptide degrade silently, with no visual change? Replied, post #42 · Practice › Storage & stability · 6 Jun 2026 · 3 likes Protecting from light: amber vials or opaque containers reduce light exposure. If you are storing for long periods and light matters, this is worth doing. For…