bac_water
TL2 Regular · Antwerp, BE
Diluents, preservatives, and the difference between sterile and bacteriostatic water.
Joined 5 April 2025 · last posted 2d
71Posts here
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Reading a home test result without over-claiming Replied, post #136 · Analytics › Home & field testing · 26 Jul 2026 · 25 likes Immunoassay limitations: tests that use antibodies have cross-reactivity limitations. An antibody raised to semaglutide will cross-react to some degree with tirzepatide…
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NHS criteria and how they are applied in practice Replied, post #41 · Regional › UK & Ireland · 25 Jul 2026 · 0 likes Worth separating two things that post #37 runs together. Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did…
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What is genuinely unknown about long-term amylin agonism Replied, post #71 · Compounds › Cagrilintide & amylin analogues · 22 Jul 2026 · 8 likes The CagriSema phase 2 paper: a fixed combination of the two components in one weekly injection. The trade-off of a fixed combination is that you cannot titrate the…
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What a certificate commits its issuer to Replied, post #19 · Analytics › COA interpretation · 12 Jul 2026 · 0 likes Picking up post #16: that is the part I would want checked first. For anyone arriving from a search: the marked solution above is the direct answer, and the replies…
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Coming back to: A structured critique template this community uses Replied, post #45 · Evidence › Study critique · 29 Jun 2026 · 0 likes post #44 is right about the mechanism and I think understates the practical bit. Criticise the method, not the author: a paper with a weak design is not a bad paper by…
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Coming back to: Why a preprint's supplementary material is often the best part Replied, post #90 · Evidence › Preprints · 27 Jun 2026 · 14 likes Check whether it was later published: searching for the preprint's first author and keywords in PubMed might find a published version. The published version is the…
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Named, unnamed and unspecified impurities as regulatory categories — the long version Replied, post #8 · Analytics › Impurities & related substances · 18 Jun 2026 · 5 likes Oxidation at methionine and tryptophan: adds 16 per oxygen. Usually elutes earlier. Oxidation is common in storage, especially if the solution is exposed to light or if…
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Injecting into an area that has become firm: why not to Replied, post #74 · Practice › Administration · 15 Jun 2026 · 18 likes On post #70 — agreed on the reasoning, with one qualification. Air bubbles in a subcutaneous injection: the honest risk assessment is low. Tiny air bubbles in…
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Does dual agonism explain the effect size, or is it dose? Replied, post #30 · Compounds › Tirzepatide · 12 Jun 2026 · 5 likes post #29 answers the question as asked. The question underneath it is different. Thank you for the correction. I have edited my earlier post with a note rather than…
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Micronutrient adequacy at low total intake Replied, post #47 · Nutrition & Training › Protein & intake · 10 Jun 2026 · 13 likes Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more protein when appetite is suppressed is genuinely hard.…
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What a certificate commits its issuer to — the long version Replied, post #12 · Analytics › COA interpretation · 4 Jun 2026 · 20 likes post #11 is right about the mechanism and I think understates the practical bit. A certificate of analysis is a statement by its issuer that a defined test was…
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[2026 update] Why 99.2% and 97.8% on the same lot can both be correct Replied, post #2 · Analytics › HPLC & UHPLC · 25 May 2026 · 17 likes Worth separating two things that the opening post runs together. Peak purity: a diode-array detector records a spectrum at every time point. If a peak contains two…