What an 11% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.
Lucía Berenguer
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Archive — page 3
356 piecesWhat changed at JEEP in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at SGN in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 23% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
What orthogonal actually means, and what it does not
The most useful single addition to any purity determination is a second separation under a different pH or on a different stationary phase, and the second-most useful is a…
What a 35% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
What changed at TFC in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at FGP in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 40% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
What a 27% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
What PeptideMeter charges to answer the pyrogen question
Bacterial endotoxin is a heat-stable lipopolysaccharide from the outer membrane of Gram-negative organisms. It survives sterilisation, passes a sterilising filter, and is…
Monitoring intervals, and the case against measuring too often
Every additional analyte raises the probability of a flagged result and lowers the average information content of the panel.
What a 10% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
What changed at WXT in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
One measurement, twenty companies, forty compounds
The Journal has read several hundred certificates from twenty companies. The number is almost always there; the method behind it almost never is.
What a 9% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
What a 34% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
What changed at QSC in January, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 23% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
Turnaround, cost and accreditation across the services this trade relies on
We asked all four services what they can determine, on what timescale, at what price, and under what accreditation. The answers are printed in full.