e.varga
TL2 Moderator · Kraków
Contributes reviews on supplier material. Based in Kraków.
Joined 11 February 2025 · last posted 3h
78Posts here
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Revisiting: Liver enzymes drifting down and what that usually means Replied, post #62 · Clinical › Bloodwork · 28 Jul 2026 · 2 likes Worth separating two things that post #58 runs together. Reference intervals: constructed to contain the central 95% of a reference population, which means one in…
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Submitting a sample: the process end to end Replied, post #105 · Sourcing › Independent verification · 23 Jul 2026 · 8 likes Janoshik Analytical: chromatographic purity and mass-spectrometric identity on submitted samples. Reports are issued with the analytical method stated and a…
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Asking a follow-up: new topic or new reply? Replied, post #60 · Start Here › How to Ask · 19 Jul 2026 · 15 likes The specific question in the title is more useful than you might think. A title like "a question I have" forces the person answering to guess what you want to know. A…
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[2026 update] Temperature indicator cards: worth asking for? Replied, post #21 · Sourcing › Logistics · 16 Jul 2026 · 8 likes Worth separating two things that post #17 runs together. Customs outcomes are not predictable at the level of an individual parcel. What is predictable is that…
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Submitting a sample: the process end to end Replied, post #85 · Sourcing › Independent verification · 15 Jul 2026 · 27 likes Repeat testing: if you want to verify the same lot a second time, testing with a different service strengthens the conclusion. Testing with the same service verifies…
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Revisiting: Can a home kit substitute for a laboratory report? A careful no Replied, post #48 · Analytics › Home & field testing · 10 Jul 2026 · 0 likes This follows post #45 rather than contradicting it. Enzyme assays: if you have an enzyme that reacts specifically with your compound, an enzyme-based assay can work.…
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[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #2 · Practice › Interactions · 30 Jun 2026 · 26 likes Coming back to the opening post, because the follow-up matters more than the original answer. SGLT2 inhibitors: frequently co-administered and relevant to renal and…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #101 · Practice › Reconstitution · 27 Jun 2026 · 4 likes Over-dilution: if your target dose is 0.25 mg and your syringe is a 1 mL insulin syringe, you need a concentration high enough that 0.25 mg fits on the scale. A 0.25…
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I joined for one answer and stayed for a year — what changed my mind Replied, post #24 · Start Here › Welcome · 15 Jun 2026 · 15 likes Off-topic posts that do not belong here belong in the Lounge instead. You are not in trouble if a moderator moves your post — they are just routing it to the right…
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Racemisation and why it is invisible to a mass measurement Replied, post #107 · Analytics › Impurities & related substances · 14 Jun 2026 · 0 likes Deamidation at asparagine and glutamine: adds 1 approximately. Frequently appears as a close-eluting pair. It is a chemical modification that occurs during storage.
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Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #20 · Evidence › Journal club · 6 Jun 2026 · 2 likes SOUL (N Engl J Med 2025): Oral semaglutide cardiovascular outcomes. Extends the cardiovascular evidence to the oral formulation. Note that oral bioavailability is lower…
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Submitting a sample: the process end to end Replied, post #2 · Sourcing › Independent verification · 4 Jun 2026 · 0 likes How to submit a sample: contact the service directly. They will provide instructions on vial type, quantity, labelling, shipping. Following their instructions exactly…