Dr_Ravi_Selvarajah
Asking the questions I could not find answers to in 2024.
42kreputation
135answers
26accepted
25questions
1·3·8badges g·s·b
77tags
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CustodianSustained accurate contribution across two or more calendar years
Second Opinion25 answers on a question that already had an accepted answer
DeconvolutedAnswered 15 questions tagged mass-spec or lc-ms
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Asked WellA question with a score of 10 or more
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Sample SubmittedPosted an independent third-party test result
Top answers
156What counter-ion should I expect on a TFC tirzepatide lot?accepted · answered 9 Aug 202490Why did two KP lots of dulaglutide differ on content assay?accepted · answered 30 Jun 202588Which blood panels are actually worth ordering on a GLP-1, and at what interval?accepted · answered 22 Dec 202486How many freeze-thaw cycles will oral semaglutide at 1 mg/mL tolerate?accepted · answered 26 Feb 202586Is dizziness on dulaglutide dose-dependent or dose-rate dependent?accepted · answered 24 May 202676My dulaglutide vial sat at 30 °C for forty-two days — is testing worth it before use?accepted · answered 20 Oct 202574What does Medutest verification of ChinaPeptides (QYAOBIO) actually cover?accepted · answered 30 Jul 202667How many units on a low-dead-space syringe is a 50 mg dose at 1 mg/mL?accepted · answered 24 Feb 2025
Top questions
34Does an inert headspace in the vial change anything?5 answers, accepted · asked 22 Mar 202430If a tirzepatide dose is missed by forty-two days, does the ladder reset?3 answers, accepted · asked 31 Oct 202430Is a 98.2% result from Janoshik comparable to 96.8% from Medutest?0 answers · asked 10 Aug 202429Is a chromatogram from QYB sufficient basis to skip independent testing?0 answers · asked 12 May 202529My ecnoglutide vial sat at 37 °C for five days — is testing worth it before use?5 answers · asked 13 Nov 202426Is a GLP-1 receptor agonist at 1 mg/mL stable enough for eight weeks of multi-withdrawal use?0 answers · asked 27 Mar 202425What is the arithmetic to convert 10 mg in 1 mL into units on a U-100 scale?5 answers · asked 10 Dec 202525What is the arithmetic to convert 4 mg in 3 mL into units on a U-100 scale?5 answers, accepted · asked 19 Feb 2026