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u/marit_mensa

Contributes reviews on supplier material. Based in Rennes.

member · joined 12 Mar 2025

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Comments — page 2 of 2

comment on the handling question that gets asked weekly, answered properly in c/researchpeptides · 5 points · 1 year ago

Net peptide content accounts for counterion, water and residual solvent. On some of these compounds the gap between purity and net content is substantial and entirely honest.

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comment on [PSA] thymosin is not what most of this community thinks it is in c/researchpeptides · -20 points · 1 year ago

Same. Net peptide content is where the difference between the label and the vial actually shows up.

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comment on [Lab] MKM cagri — Medutest came back 97.2% against a claimed 97.0% in c/hplc · 60 points · 1 year ago

Same method at both labs, or two different gradients?

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comment on [Lab] MKM cagri — Medutest came back 97.2% against a claimed 97.0% in c/hplc · 13 points · 1 year ago

What wavelength, and what was the gradient?

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comment on [Lab] MKM cagri — Medutest came back 97.2% against a claimed 97.0% in c/hplc · -6 points · 1 year ago

Can you post the trace with the axes labelled?

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comment on [Discussion] we are measuring private prescription at the wrong time and calling it noise in c/glp1uk · 17 points · 1 year ago

Right, and reading the actual supply notice rather than the coverage of it saves a fortnight of speculation.

Agreed — and keeping the letters with dates is what makes any later challenge possible.

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comment on [Discussion] can we stop arguing about MHRA until somebody posts a number in c/glp1uk · 42 points · 1 year ago

I would not read a supply notice as a shortage in your pharmacy tomorrow.

Adding the practical bit — ask what happens at discharge before you start, not after.

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comment on genuine question about UK that I am slightly embarrassed to ask in c/glp1uk · 21 points · 1 year ago

the price difference between pharmacies this month is genuinely large

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comment on method development — 10 things I got wrong before I got it right in c/hplc · 16 points · 1 year ago

Correction: that is a tailing factor, not a plate count. Different diagnostics for different problems.

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comment on method development — 10 things I got wrong before I got it right in c/hplc · 18 points · 1 year ago

Can you post the trace with the axes labelled?

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comment on method development — 10 things I got wrong before I got it right in c/hplc · 25 points · 1 year ago

Is that baseline drawn by the software or by hand?

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comment on [Meta] proposal — a flair for pharmacy posts in c/glp1uk · 260 points · 2 years ago

the Irish scheme cap is the single most useful fact in this board

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comment on method development is the most under-discussed thing on this board in c/hplc · 54 points · 2 years ago

reproducibility beats resolution if you only get one of them

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comment on [Discussion] pharmacy is doing more work than we give it credit for in c/glp1uk · 21 points · 2 years ago

private and NHS pathways are not a ladder, they are separate routes

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comment on [Discussion] pharmacy is doing more work than we give it credit for in c/glp1uk · 21 points · 2 years ago

BMI thresholds vary by ICB and by year

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comment on reading pricing threads from 2024 and half of it aged badly in c/glp1uk · 71 points · 2 years ago

Small fix — that is the Scottish pathway. The post is asking about England and the answer is different.

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comment on [Lab] ERP cagri — PeptideMeter came back 98.8% against a claimed 98.0% in c/hplc · 279 points · 2 years ago

Cosigning the wavelength point. Half the disagreements in this board are two people looking at different detectors.

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comment on [Lab] KP cagri — VendorInvestigate came back 98.1% against a claimed 97.5% in c/hplc · 162 points · 2 years ago

Sent the same vial to Medutest and VendorInvestigate. 98.8% against a claimed 98.0%. The difference was the gradient, not the material.

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comment on [Lab] KP cagri — VendorInvestigate came back 98.1% against a claimed 97.5% in c/hplc · 263 points · 2 years ago

two labs, two gradients, two honest answers

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comment on someone explain NHS to me like I have not read a paper in years in c/glp1uk · 160 points · 2 years ago

private prescription pricing moves monthly and the pharmacy is most of the spread

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comment on three years of NHS threads, summarised so you do not have to read them in c/glp1uk · 6 points · 2 years ago

Same.

Adding the practical bit — ask what happens at discharge before you start, not after.

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