The Peptide CommonsEst. May 2024
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A public commons for research-peptide discussion

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Topics ordered by most recent activity. Solved questions carry a marked answer; high-value topics become maintained documentation; every moderation action is logged in public.

1,535 topics · page 1 of 52

TopicParticipantsRepliesViewsActivity
Journal club: LEADER as the historical anchor
Journal club: LEADER as the historical anchor Writing it up because I had to work it out twice and would rather nobody else did. Comparing STEP 1 ( N Engl J Med , 2021) with SURMOUNT-4 ( JAMA , 2024) and…
AKACRIGKR+103 110 8.1k 2h
About the Announcements category
Staff announcements, policy changes, and scheduled maintenance. Read-only except for questions. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with…
BNJMVSITSC+3 7 8.7k 4h
About the Mass spectrometry category
LC-MS and high-resolution MS, charge states, mass accuracy in ppm, and what identity confirmation does and does not establish. This post is a community wiki: any member at trust level 3 or above can edit it,…
DOOBLDBDRV+5 9 19k 6h
What I would want from a home test that does not exist yet
The question in the title: What I would want from a home test that does not exist yet I will give what I have already checked below so nobody repeats it. A documentation question rather than an analytical…
APNHSTMGI+46 50 8k 6h
About the Comorbidities category
Type 2 diabetes, hepatic steatosis, sleep apnoea, cardiovascular and renal disease. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author…
DOJMKHBMCE 4 16k 12h
About the N-of-1 designs category
Designing a personal experiment that could actually change your mind, including washouts and blinding. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is…
OBDOKAGRIA 4 22k 14h
Private prescribing in the UK: what is actually involved
On the subject in the title: Private prescribing in the UK: what is actually involved Working notes rather than a conclusion. A coverage question with the paperwork detail included, since that is what…
SGTKVBRJJP+66 76 46k 14h
About the Impurities & related substances category
Deletion sequences, oxidation, deamidation, aggregates, residual solvents, and counter-ion content. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
BNHSDSSDBW+6 10 50k 15h
About the Reconstitution category
Diluent choice, volumes, resulting concentrations, worked examples, and the errors we see most often. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is…
SLKNBNNLC+1 5 15k 16h
About the HPLC & UHPLC category
Reversed-phase separations, gradients, columns, integration, and reading a chromatogram properly. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
KBNKBNCPB 4 137 18h
About the Hydration & electrolytes category
Fluid intake, sodium, potassium and magnesium, and the very ordinary causes of week-two malaise. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
DOKFNCARL 4 3.6k 18h
About the Independent verification category
Janoshik, Medutest, PeptideMeter and VendorInvestigate results, how to submit a sample, and how to read what comes back. This post is a community wiki: any member at trust level 3 or above can edit it, and…
KSLFDCCM+1 5 5.8k 23h
MS/MS sequence confirmation: what it costs and when it is worth it
MS/MS sequence confirmation: what it costs and when it is worth it — setting out what I have, and where I think it stops being reliable. I would like to understand what this number means before I repeat it…
SVSLSTGBLM+2 6 2.7k 1d
Packaging that arrived damaged: documenting it properly
Packaging that arrived damaged: documenting it properly Writing it up because I had to work it out twice and would rather nobody else did. A logistics question, since the answers here are usually better than…
INBNSMPWHA+43 49 26k 1d
Insomnia at a dose step: reported experiences — the long version
Insomnia at a dose step: reported experiences — the long version Writing it up because I had to work it out twice and would rather nobody else did. Asking about a population rather than about a person. The…
SOKORVTPMB+47 51 31k 1d
About the Shortages category
Supply interruptions, official shortage notices, and managing an unplanned gap. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author and…
JMTVMMGVTW+3 7 9.9k 1d
Angle of injection and whether 90 degrees is always right — the long version
Angle of injection and whether 90 degrees is always right — the long version Writing it up because I had to work it out twice and would rather nobody else did. Reporting something rather than asking about it,…
GRIBOFSOCT+50 55 15k 2d
Second pass at: When your prescriber and the evidence disagree
Second pass at: When your prescriber and the evidence disagree — setting out what I have, and where I think it stops being reliable. General question, not a request for advice about my own care — I know the…
BNMONRPFB+51 55 9.2k 2d
About the Adverse events category
Serious and unexpected events, how to document them, and where to report them officially. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its…
JMBNFEKM+2 6 8.7k 2d
About the Resistance training category
Programming while losing weight quickly, realistic expectations, and recovery. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author and a…
SLKAICRJM 4 40k 17d
About the Oral incretins category
Oral semaglutide, orforglipron and the absorption problem. PIONEER and OASIS data. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author…
SLJMBMEMRV 4 6.2k 20d
About the Receptor biology category
GLP-1, GIP, glucagon and amylin receptor signalling, bias, desensitisation and central versus peripheral action. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit…
OBDOSOIKP+6 10 34k 20d
About the Welcome category
Introductions, orientation, and the pinned reading list for new members. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author and a note.…
HSTVYMBWVK+4 8 11k 27d
About the Syringes & needles category
Insulin syringe graduations, dead volume, gauge and length selection, and reading units correctly. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
DOOBAFMICB 4 45k 1mo
About the COA interpretation category
What a certificate of analysis commits its issuer to, which fields matter, and how to spot one that says almost nothing. This post is a community wiki: any member at trust level 3 or above can edit it, and…
JMHSHVSKLF+8 12 8.5k 2mo
About the Interactions category
Drug, supplement and food interactions — separating timing inconveniences from clinically important ones. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is…
JMKCWDBMS+4 8 1.9k 2mo
EU-wide position versus national implementation — what changed since
EU-wide position versus national implementation — what changed since Writing it up because I had to work it out twice and would rather nobody else did. A coverage question with the paperwork detail included,…
NMATTPBI+22 26 58k 2mo
About the Preprints category
Unrefereed work, clearly labelled as such, with the usual caveats stated once and taken seriously. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
JMDONIBSP+3 7 14k 3mo
About the Insurance & coverage category
Prior authorisation, appeals, denial letters, and documentation that helps. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author and a…
OBHSDSFWDF+2 6 3.2k 3mo
Adolescents: a distinct evidence base — one year on
Posting this under the heading it deserves: Adolescents: a distinct evidence base — one year on Everything below is what sits behind that. General question, not a request for advice about my own care — I know…
NIGHNCVEF+78 88 9.3k 3mo