What a 37% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
Peptide synthesis
Page 9 of 13 of this archive, newest first.
What a 9% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
What a 32% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
Xianning export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
A part per million, in context
Every instrument specification quoted in an advertisement is a best case obtained on a calibration mixture, not on a submitted vial.
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.
What a 20% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Guangzhou export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 33% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
What “LC-MS: conforms” tells a reader, which is almost nothing
What the Journal asks for when it writes to a supplier about an identity claim, and how often it gets it.
Why a 0.036-dalton difference is the hardest number in peptide identity
Every instrument specification quoted in an advertisement is a best case obtained on a calibration mixture, not on a submitted vial.
What a 16% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
What a 32% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
Zhuhai export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 40% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Quadrupole, time-of-flight, orbital trap: what each class can and cannot see
Every instrument specification quoted in an advertisement is a best case obtained on a calibration mixture, not on a submitted vial.
Xianning export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Before anything is weighed, the peptide has to be charged
A brief and unromantic tour of the interface between a liquid sample and a vacuum.
What a 10% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
Wuxi export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.