Lipohypertrophy, and the absorption it ruins
A rotation scheme that is too complicated will not be followed. We describe the simple ones that are.
Laboratory Notebook
Page 12 of 12 of this archive, newest first.
Page 12
What “LC-MS: conforms” tells a reader, which is almost nothing
A short audit procedure, usable by anyone holding a certificate and a calculator.
D-amino acids are invisible to mass spectrometry, and that is the whole problem
Stereochemical inversion changes the molecule, changes its biology, and changes its mass by exactly nothing.
How to read the silence on a certificate you already hold
Our position is about documentation practice. It is not an allegation about anybody’s honesty, and we are explicit about the difference.
Why a 0.036-dalton difference is the hardest number in peptide identity
Parts per million sound impressive until they are converted into daltons at the molecular weight of the thing being measured.