What a 34% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Lucía Berenguer
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Archive — page 9
356 piecesSterility is not a percentage, which is the whole difficulty
Purity, content, identity, sterility and endotoxin are five separate determinations. A single sheet of paper carrying one of them is not evidence about the other four.
Load, not cardio: the distinction the general advice keeps losing
The recommendation survives scrutiny. The reasoning offered for it frequently does not.
What a 23% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
What the four services actually offer, test by test
A compendial sterility test takes fourteen days of incubation and consumes the containers tested. That timescale is incompatible with the business model that made…
What a 9% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
What changed at TFC in April, 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 KP in April, 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 QSC in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The question no chromatogram has ever answered
Every certificate circulating in this market answers a question about molecules. Almost none answers a question about organisms, pyrogens, or the integrity of the seal.
What changed at KP in April, 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 39% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Endotoxin is not a microorganism, and killing the bacteria does not remove it
Bacterial endotoxin is a heat-stable lipopolysaccharide from the outer membrane of Gram-negative organisms. It survives sterilisation, passes a sterilising filter, and is…
What changed at JEEP in April, 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 QST in April, 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 27% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
What changed at JEEP in April, 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 WXT 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.
How a correct calculation becomes a wrong dose
We have catalogued what readers report, ranked by the size of the dosing error each produces.
What changed at BCH 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.