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Wickham Micro Article on Endotoxin Detection Methods Published by Pharmaceutical Technology Europe

Date of event 15th January 2018

Wickham Micro is pleased to announce the publication of a technical editorial “Comparing Endotoxin Detection Methods” which is featured in Pharmaceutical Technology Europe’s November 2017 issue.

Within the article, we discuss the importance of maintaining quality and safety in endotoxin testing methods and the risks they may imply if inadequate.


Endotoxin Detection 

Endotoxins are small, hydrophobic molecules that are part of the lipopolysaccharide complex that forms most of the outer membrane of Gram-negative bacteria (1). 

They are released when the bacteria die and their outer membranes disintegrate, triggering the toxicity mechanism of the fractionated lipopolysaccharides.

To ensure patient safety, endotoxin testing must be carried out, not only on end-product medical devices or injectables, but also on the raw materials that are used to make them. Despite this requirement, endotoxin testing is often overlooked, and many manufacturers may rely too much on sterility testing.  

As described in the harmonized European, United States, and Japanese pharmacopeias (2-4), sterility testing will detect live microorganisms, including Gram-negative bacteria. If these bacteria are destroyed during the sterilization process, however, endotoxin will be released and will remain undetected

To read the full article please visit the PTE website or contact us directly. For more information on our Bacterial Endotoxin services please visit our website.

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