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Topics ordered by when they were created rather than by activity. This is where a question that nobody has answered yet is easiest to find — and answering one is the fastest route to a first solution badge.

1,535 topics · page 28 of 40

Topic	Participants	Replies	Views	Activity
MALDI versus ESI for a quick identity check Analytics › Mass spectrometry high-resolution MS charge states mass error (ppm) MALDI-TOF Closed On the subject in the title: MALDI versus ESI for a quick identity check Working notes rather than a conclusion. I was wrong about MALDI versus ESI in a thread last spring and I would like to correct it…		2	2k	11mo
Follow-up: Journal club: orforglipron phase 2 and the non-peptide question Evidence › Journal club randomised trial risk of bias effect size number needed to treat Posting this under the heading it deserves: Journal club: orforglipron phase 2 and the non-peptide question Everything below is what sits behind that. A follow-up question about orforglipron phase 2 that I…	+80	91	10k	11mo
Documentation that appears only after payment Sourcing › Red flags documentation quality moderation mislabelling disputed Solved Documentation that appears only after payment Writing it up because I had to work it out twice and would rather nobody else did. Proposing that documentation deserves a maintained page rather than a recurring…	+113	124	13k	7mo
Why an oral GLP-1 agonist is a formulation achievement more than a chemistry one — one year on Compounds › Oral incretins PIONEER programme SOUL trial orforglipron Solved Asking directly, because I could not find a straight answer: Why an oral GLP-1 agonist is a formulation achievement more than a chemistry one — one year on A follow-up question about oral GLP-1 agonist that I…	+16	20	18k	2mo
A request that was declined, and the reasoning — a second dataset Documentation › Wiki requests maintainership promoted to docs wiki post Closed A request that was declined, and the reasoning — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Process question about how this site works. I have read the…	+89	98	31k	11mo
What pooling buys you and what it destroys Evidence › Meta-analyses publication bias risk of bias meta-analysis heterogeneity Solved The question in the title: What pooling buys you and what it destroys I will give what I have already checked below so nobody repeats it. The question about pooling buys that I actually want answered is the…	+74	83	6.6k	8mo
Warfarin and altered intake: the monitoring argument — the long version Practice › Interactions metformin needs a source delayed gastric emptying hypoglycaemia Solved Posting this under the heading it deserves: Warfarin and altered intake: the monitoring argument — the long version Everything below is what sits behind that. A narrow question about Warfarin and altered…	+123	134	40k	4mo
How to ask about something you suspect is a bad idea Start Here › How to Ask onboarding site feedback guidelines beginner friendly Solved The question in the title: How to ask about something you suspect is a bad idea I will give what I have already checked below so nobody repeats it. Question in the title. Context below, and I have tried to…	+81	87	16k	2mo
Cost per delivered dose, which is the number that matters Access › Pricing cost per milligram data table compounding formulary Solved Cost per delivered dose, which is the number that matters — setting out what I have, and where I think it stops being reliable. Documenting an access outcome, dated, because everything in this category…	+54	59	30k	4mo
Validating a method you did not develop Analytics › Method validation precision & repeatability recovery linearity stability-indicating method On the subject in the title: Validating a method you did not develop Working notes rather than a conclusion. What changes if the standard account of validating a method is wrong? I ask because I have been…	+10	14	15k	3mo
Revisiting: List price versus negotiated price versus what you pay Access › Pricing cost per milligram compounding data table formulary Revisiting: List price versus negotiated price versus what you pay — setting out what I have, and where I think it stops being reliable. Working notes on List price versus negotiated price rather than a…	+24	28	50k	12mo
A ten-fold dose error caught before injection — one year on Devices › Syringes & needles dead volume needle gauge & length subcutaneous injection syringe units On the subject in the title: A ten-fold dose error caught before injection — one year on Working notes rather than a conclusion. Two things I would like separated before anyone answers on ten-fold dose error…	+151	157	9.4k	12mo
Comparing two chromatograms from different laboratories, properly Analytics › HPLC & UHPLC peak integration system suitability UV & DAD detection gradient method Solved Closed Posting this under the heading it deserves: Comparing two chromatograms from different laboratories, properly Everything below is what sits behind that. I would like to understand what this number means…	+35	40	22k	7mo
Reading SURMOUNT-1 without the press release — one year on Compounds › Tirzepatide effect size SURPASS programme randomised trial Solved Closed Reading SURMOUNT-1 without the press release — one year on — setting out what I have, and where I think it stops being reliable. I would like to disagree carefully with the settled view on Reading SURMOUNT-1…	+45	50	7.6k	5mo
A payment that went through twice: how it was resolved Sourcing › Payments payments research use only documentation quality Solved Closed A payment that went through twice: how it was resolved Writing it up because I had to work it out twice and would rather nobody else did. A payments question, with the mechanics separated from the money. What…	+20	24	55k	3mo
Reading a combination trial: attributing effect to components Compounds › Cagrilintide & amylin analogues cagrisema amylin analogues effect size cagrilintide Closed On the subject in the title: Reading a combination trial: attributing effect to components Working notes rather than a conclusion. Collecting what is known about reading a combination trial in one place,…		4	19k	11mo
Travel coolers and how long they really hold Devices › Cold chain temperature excursion storage freeze-thaw On the subject in the title: Travel coolers and how long they really hold Working notes rather than a conclusion. A narrow question about travel coolers, deliberately narrow, because the broad version has…	+78	84	14k	12mo
How to research a compound with no human data without deceiving yourself Compounds › Other compounds needs a source mislabelling custom synthesis research use only Solved Asking directly, because I could not find a straight answer: How to research a compound with no human data without deceiving yourself Question about what the published evidence for this compound actually…	+107	119	11k	12mo
An ABAB design with a data table and honest limitations Research Methods › N-of-1 designs effect size confounding worked example An ABAB design with a data table and honest limitations Writing it up because I had to work it out twice and would rather nobody else did. An honest uncertainty about ABAB design rather than a disguised…		2	45k	5mo
About the Prescriber conversations category Clinical › Prescriber conversations telehealth prior authorisation beginner friendly Pinned Wiki How to prepare for an appointment, what to bring, and how to ask for what you need without antagonising anyone. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit…	+6	11	9.5k	9mo
Where impurities in solid-phase peptide synthesis come from Analytics › Impurities & related substances water content data table HPLC endotoxin testing Solved Where impurities in solid-phase peptide synthesis come from Writing it up because I had to work it out twice and would rather nobody else did. Impurities in solid-phase peptide synthesis, and specifically the…	+54	59	14k	3mo
[2026 update] Tirzepatide in obstructive sleep apnoea: reading SURMOUNT-OSA Compounds › Tirzepatide tirzepatide effect size randomised trial Tirzepatide in obstructive sleep apnoea: reading SURMOUNT-OSA — setting out what I have, and where I think it stops being reliable. Reading back through what has been written here about Tirzepatide in…		2	58k	11mo
Journal club: PIONEER 6 as a safety trial Evidence › Journal club effect size journal club number needed to treat risk of bias Posting this under the heading it deserves: Journal club: PIONEER 6 as a safety trial Everything below is what sits behind that. Reading PIONEER 6 ( N Engl J Med , 2019) for the population rather than the…	+14	18	262	5mo
[2026 update] Comparing documentation quality across the directory, tabulated Sourcing › Vendor reports batch & lot numbers documentation quality disputed certificate of analysis Solved Closed On the subject in the title: Comparing documentation quality across the directory, tabulated Working notes rather than a conclusion. Structured question about turnaround and what it signals. I have started…		3	18k	11mo
What a regulator's shortage notice actually authorises — what changed since Sourcing › Regulatory research use only EMA FDA compounding Solved The question in the title: What a regulator's shortage notice actually authorises — what changed since I will give what I have already checked below so nobody repeats it. Asking what a regulator's document…	+22	26	53k	7mo
Analytical identity of BPC-157: a 15-mer with a simple mass Compounds › Repair & healing peptides BPC-157 observational data needs a source preprint Analytical identity of BPC-157: a 15-mer with a simple mass Writing it up because I had to work it out twice and would rather nobody else did. Something about analytical identity of BPC-157 does not reconcile…	+3	7	5.2k	10mo
Journal club: how we handle discontinuation in obesity trials — what changed since Evidence › Journal club number needed to treat estimand risk of bias randomised trial Solved Journal club: how we handle discontinuation in obesity trials — what changed since — setting out what I have, and where I think it stops being reliable. Session topic: STEP 4 ( JAMA , 2021). Please read it…	+14	18	35k	8mo
When a tidy document is a signal and when it is decoration — does this still hold? Analytics › COA interpretation reference standards amino acid analysis documentation quality certificate of analysis Solved Asking directly, because I could not find a straight answer: When a tidy document is a signal and when it is decoration — does this still hold? Tidy document keeps being re-asked here and I think that is…	+3	7	22k	11mo
What a reversed-phase purity number actually is — the long version Analytics › HPLC & UHPLC gradient method system suitability HPLC UV & DAD detection Solved What a reversed-phase purity number actually is — the long version I have a specific reason for asking rather than idle curiosity, and the context is below. I would like to understand what this number means…		2	15k	8mo
Where the integrator drew the baseline, and how much it moved the number Analytics › HPLC & UHPLC system suitability gradient method UV & DAD detection data table Solved Where the integrator drew the baseline, and how much it moved the number — setting out what I have, and where I think it stops being reliable. Posting the method first, because I know what the first three…	+20	24	1.6k	8mo