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c/hplc·submitted 2 years ago by u/marit_mensa

method development vs HPLC — genuinely asking which matters more

Methodbranch of 7 comments

method development. That is the whole post, but I will justify it. Everything else people worry about in c/reconstitution is downstream of it. Titration speed, muscle cramps, the endless dose arguments — most of it resolves if you sort method development out first, and almost nobody does. I say this having got it…

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7 comments, started 2 years ago
u/aksel_kjaer98 points·2 years ago

Yeah, the chromatogram profile matters more than the headline number.

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u/elodie_grimaldi44 points·2 years ago

Mechanistically the bit that matters is method development. It explains most of the early profile and a decent chunk of the outcome.

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u/matias_salgado29 points·2 years ago

Mechanistically the bit that matters is method development.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/fatima_yildiz8 points·2 years ago

axis labels included, always

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u/downvote_magnet13 points·2 years ago

That is net peptide content, not purity. Different number, different meaning.

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u/elodie_grimaldi19 points·2 years ago·edited

area% and mass% are not the same and this whole post conflates them

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u/adaeze_batista6 points·2 years ago

integration decision on a shoulder changes your number by half a point on its own

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