jonas_ekstrom
I would rather ask a naive question than guess.
18kreputation
40answers
7accepted
24questions
0·2·8badges g·s·b
51tags
40Is a 27G needle the right choice for drawing a GLP-1 receptor agonist at 4 mg/mL?0 answers · 37k views · needle-gauge, injection-technique, dead-space34Why would Medutest report 98.4% where the supplier certificate says something higher?5 answers · 13k views · purity, hplc, batch-testing33How many freeze-thaw cycles will cagrilintide at 6.67 mg/mL tolerate?2 answers · 20k views · freeze-thaw, peptide-stability, storage33What does the mechanism of dulaglutide predict that STEP 1 did not test?5 answers · 40k views · glp1-mechanism, clinical-trials, gip-receptor32Why did my ApoB move after sixteen weeks on tirzepatide?5 answers, accepted · 55k views · bloodwork, kidney-function, lipids30Does the SURMOUNT-2 population resemble anyone asking about survodutide here?4 answers, accepted · 37k views · clinical-trials, harm-reduction, semaglutide30Is 8 mg/mL a sensible working concentration for survodutide, or should I go lower?5 answers, accepted · 44k views · diluent-volume, reconstitution, dosing-math25Would you re-test survodutide after four weeks at 40 °C, or accept the original certificate?5 answers, accepted · 15k views · batch-testing, peptide-stability, coa24Has anyone independently verified a TFC liraglutide batch COA?5 answers, accepted · 14k views · vendor-vetting, coa, batch-testing24Is a stablecoin transfer sensible for an order shipping to Poland?5 answers, accepted · 45k views · payment-privacy, group-buy, international-shipping24Is ApoB a better monitoring choice than ferritin on oral semaglutide?4 answers · 8.3k views · bloodwork, kidney-function, lipids24Is identity confirmation by mass spectrometry on one vial from a twenty-person split enough for the whole split?0 answers · 19k views · group-buy, batch-testing, coa23How do I compare QST and GL Biochem on lead time to Singapore?5 answers, accepted · 6.7k views · vendor-comparison, international-shipping, cold-chain20Is SGN worth the price difference against Qingdao Sigma Chemical on measured results?5 answers · 15k views · vendor-comparison, cost-analysis, batch-testing18Does aspartimide formation dominate for tirzepatide held at 2–8 °C?5 answers, accepted · 28k views · peptide-stability, storage, hplc17How many vial-days does a 15 mg vial give at 10 mg/mL on a weekly schedule?2 answers, accepted · 10k views · dosing-math, cost-analysis, diluent-volume16Is 98.8% a realistic purity ceiling for dulaglutide given its chain length?5 answers · 12k views · purity, hplc, peptide-mapping16What does 97.9% purity on a wide-pore C18 column actually tell me about a mazdutide vial?2 answers · 6k views · hplc, purity, coa10Is there any published stability data for liraglutide at 37 °C?5 answers · 2.9k views · peptide-stability, storage, clinical-trials6Does oral semaglutide adsorb measurably to the vial wall at 4 mg/mL?2 answers, accepted · 14k views · peptide-stability, content-assay, storage6How do I read an impurity table on an oral semaglutide certificate against the 95.2% headline?5 answers, accepted · 18k views · purity, coa, hplc5How do I compute the +4 charge state m/z for a peptide of 4113.6 Da?0 answers · 1.9k views · mass-spec, dosing-math, purity5How do I reconcile 98.8% from Janoshik with 96.4% from the supplier?5 answers, accepted · 9.1k views · purity, batch-testing, coa4How many vials from an SGN lot should I send for a Karl Fischer water content test?5 answers, accepted · 3.9k views · batch-testing, coa, cost-analysis