Dr_Jonas_Halvorsen
I test before I trust, and I post the numbers either way.
41kreputation
128answers
18accepted
19questions
0·3·8badges g·s·b
73tags
39What is the thermal exposure on a Chengdu to Spain lane in summer?3 answers · 32k views · cold-chain, international-shipping, storage38Why did two BCH lots of cagrilintide differ on content assay?3 answers, accepted · 42k views · batch-testing, content-assay, vendor-vetting36What happens to retatrutide after two weeks at 30 °C in solution?4 answers, accepted · 46k views · peptide-stability, storage, shelf-life31What is the real-world lead time from Qingdao to the United Kingdom in winter?5 answers, accepted · 10k views · international-shipping, cold-chain, customs29Does racemisation dominate for orforglipron held at 2–8 °C?5 answers, accepted · 22k views · peptide-stability, storage, hplc25How comparable are semaglutide and survodutide on the evidence available?5 answers, accepted · 45k views · clinical-trials, semaglutide, tirzepatide25Is a 96.8% result from PeptideMeter comparable to 96.4% from PeptideMeter?5 answers, accepted · 17k views · purity, batch-testing, reference-standard21Can peptide mapping detect a D-amino acid or a scrambled sequence that co-elutes with the main peak?3 answers, accepted · 5.2k views · peptide-mapping, purity, lc-ms21Would you accept 98.2% on mazdutide from QST without a content assay?0 answers · 7.1k views · purity, content-assay, vendor-vetting20How do I set up a DEXA sequence that is actually comparable over time?5 answers, accepted · 13k views · dexa, lean-mass, exercise16Does a large published testing history at FGP imply lot consistency?5 answers, accepted · 6.9k views · batch-testing, vendor-vetting, content-assay16Has anyone independently verified an FGP mazdutide batch COA?0 answers · 7.4k views · vendor-vetting, coa, batch-testing12What interval makes sense for repeating triglycerides on semaglutide?1 answer · 6.1k views · bloodwork, harm-reduction, a1c9Does deamidation of semaglutide at minus 20 °C show up as a loss of content or of purity?4 answers · 10k views · peptide-stability, content-assay, purity8How many vial-days does a 40 mg vial give at 5 mg/mL on a weekly schedule?5 answers · 12k views · dosing-math, cost-analysis, diluent-volume4How many units on a 1 mL luer-lock syringe is a 2.5 mg dose at 8 mg/mL?5 answers, accepted · 6.3k views · dosing-math, insulin-syringe, reconstitution4What is the reported incidence of reflux on ecnoglutide in SUSTAIN-6?5 answers · 22k views · gi-side-effects, clinical-trials, nausea4Why would Medutest report 97.9% where the supplier certificate says something higher?1 answer · 2.9k views · purity, hplc, batch-testing2If I reconstitute a 2.5 mg vial with 1 mL of 0.9% sodium chloride, what concentration do I end up with?0 answers · 3.5k views · reconstitution, diluent-volume, dosing-math