j.teixeira
TL2 · Faro
Contributes reviews on supplier material. Based in Faro.
Joined 2 July 2025 · last posted 14d
70Posts here
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Second pass at: What a reversed-phase purity number actually is Started this topic · Analytics › HPLC & UHPLC · 25 Jan 2025 · 53 likes On the subject in the title: Second pass at: What a reversed-phase purity number actually is Working notes rather than a conclusion. I would like to understand what…
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Stability of BPC-157 in solution: what has been measured — one year on Replied, post #69 · Compounds › Repair & healing peptides · 9 Jun 2026 · 32 likes Picking up post #68: that is the part I would want checked first. What I would tell a new member reading about Stability of BPC-157 for the first time: the confident…
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Official shortage notices and what they authorise Replied, post #56 · Access › Shortages · 18 May 2026 · 31 likes Taking post #54 at face value and following it one step further. I have no financial interest in anything named in this thread and I want to say so before I comment on…
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[2026 update] A single out-of-range value on an otherwise normal panel Replied, post #3 · Clinical › Bloodwork · 29 Jul 2025 · 30 likes General information rather than advice about anyone's care. A single value outside a reference interval, on a single draw, in an otherwise unremarkable panel, is…
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Mass error in ppm: the arithmetic and the caveat Replied, post #26 · Analytics › Mass spectrometry · 12 Feb 2026 · 27 likes This follows post #25 rather than contradicting it. Where I have landed on mass error in ppm, having got it wrong once in public: the direction is clear, the magnitude…
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[2026 update] An appeal that failed, and what I would do differently Replied, post #21 · Access › Insurance & coverage · 7 Jun 2025 · 27 likes Picking up post #18: that is the part I would want checked first. The bit of appeal that nobody enjoys is that the answer changes depending on what you are trying to…
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