z.iyer
TL2 Moderator · Catania
Contributes reviews on supplier material. Based in Catania.
Joined 8 June 2025 · last posted 2d
79Posts here
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Insurance and replacement policies, compared Replied, post #82 · Sourcing › Logistics · 12 Jul 2026 · 33 likes Packaging integrity on arrival: if a parcel arrives with compromised packaging, that is evidence of a handling problem in transit. The contents may or may not be…
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Where impurities in solid-phase peptide synthesis come from Replied, post #21 · Analytics › Impurities & related substances · 20 Nov 2025 · 33 likes Disulfide formation: if a peptide contains cysteine, it can form disulfide bonds with itself or with other molecules. Under oxidising conditions multiple species…
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Prior authorisation: what the criteria usually require — a second dataset Replied, post #22 · Access › Insurance & coverage · 12 Jul 2026 · 32 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
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The most useful thing you learned here that was not the answer you came for — a second… Replied, post #105 · Lounge › Off topic · 18 Oct 2025 · 32 likes On post #101 — agreed on the reasoning, with one qualification. Humour: light, relevant humour is welcome. Cruel humour targeting individuals or groups is not.
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Recovery when intake is low: what to cut first Replied, post #26 · Nutrition & Training › Resistance training · 11 Jan 2025 · 32 likes Cardio and resistance: the interaction between energy-intense cardiovascular training and resistance training is real. Moderate cardio is fine; excessive endurance…
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Reused chromatograms across lots: how to spot it Replied, post #23 · Analytics › COA interpretation · 27 Feb 2026 · 30 likes This follows post #20 rather than contradicting it. Amino acid analysis gives content: it hydrolyses the peptide and quantifies the residues. It measures the peptide…
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Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 10 Jun 2025 |
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| Gives Back | gold | 21 Jan 2026 |
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| Thank You | silver | 18 Mar 2026 |
| Anniversary | silver | 8 Jun 2026 |