FAQs on our Prepared Media

By Gill Power

We receive numerous questions every day about the Redipor range of prepared media products and SAS active air samplers.  The answers to the most frequently asked questions can be found on the FAQs page.

We cannot publish the answers to every question we are asked but here are the answers we give to other common questions we receive from customers about Redipor prepared culture media:

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Fumigation of the Future - Article Abstract

By Gill Power

Alternatives to Formaldehyde fumigation

After just over six months into my new job here at Cherwell Laboratories and much to my surprise, I was asked to contribute an article of my choice to a magazine called the Medicine Maker.  The Medicine Maker covers a wide range of topics and news about the pharmaceutical industry.  As much experience as I have in environmental monitoring, my real specialist subject is fumigation, specifically with formaldehyde.  Before I joined Cherwell Laboratories,...

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Redipor New Products - From Enquiry to Production

By Andrew Ramage

The responsibilities and procedures for new Redipor products

As I settle into my new role here at Cherwell Laboratories one of my main tasks is to manage the process of getting Redipor® new product requests from the sales office down to QA and Production and ultimately to the customer.  As a smaller manufacturer of prepared media we are able to produce small batches of bespoke media or buffers to the customer’s specification.  This month’s blog will hopefully give you an appreciation of what...

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Pharmig Conference - March 2016

By Gill Power

Keeping up to date with topical information and views on microbiologically related topics

The Oxfordshire Golf Club, Hotel and Spa was the venue for two Pharmig conferences on the 2nd and 3rd of March.  The 2nd March conference was the Best Practices in Environmental Monitoring: Covering Steriles and Non-Steriles.  The 3rd March conference was the Latest Updates on Sporicides - As Part of Your Transfer Process aimed mainly at NHS staff.  Cherwell Laboratories was represented on both days by...

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Pitfalls to Avoid in Growth Potential (GPT) Testing

By Gill Power

Best Practice for Growth Potential Testing

It seems that there is a struggle to perform GPT in a co-ordinated and well documented approach. GPT testing is a regulatory expectation from a cGMP microbiology laboratory and there have been some issues with trepidations and data integrity observations in the microbiology labs around the subject of GPT testing. I have written what I believe is the best practice for GPT which you can find linked as a separate document. For advice on what pitfalls...

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Why Use Neutralisers in your Environmental Monitoring Plates?

By Gill Power

Guidance on surface sampling as part of your environmental monitoring

For those of you working to the orange guide and/or the guidance in the European Pharmacopoeia you will notice the absence of specific guidance on how to monitor your cleanrooms. The USP <797> however does give specific advice on what media to use and specifies that surface sampling must be supplemented with additives to neutralise the effects of disinfectants, to be more precise the residue left by disinfectants post...

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Pharmig 2015 Annual Conference

By Gill Power

Keeping up to date with current topics and developments in microbiology

The annual Pharmig conference took place at the Nottingham on the 25th and 26th November 2016. For those who haven’t been to this event it is a mix of presentations by leading industry figures and open discussion sessions covering the latest “hot topics” where delegates can share experiences and discuss the latest regulatory information. There were also a large number of trade stands selling everything the...

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Considerations for Environmental Monitoring Plates

By Gill Power

Ensuring you collect good EM data

In many industries there is a need to monitor for both viable and non-viable particles within controlled spaces. The methods for the viable environmental monitoring of controlled spaces, such as within pharmaceutical clean rooms can be split into passive or active methods. Settle plates are the main passive method deployed for air monitoring, contact plates and swabs are used for surface monitoring whereas primary active methods are air samplers, which...

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Finding Good Industry Information

By Gill Power

Useful links

How to find the best industry information and guidance?

With the explosion in the sheer volume of information now available on the internet it can be difficult to know where to find reliable answers to questions. Within the pharmaceutical and associated industries regulatory documents, such as EU GMP, provide the framework within which compliance must be sought. Interpretation and implementation of these regulations can be challenging.

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Where Next For 14698?

By Gill Power

Revision to ISO bio-contamination cleanroom standard stopped or just delayed?

International Standards Organisation (ISO) has two series of clean room standards, ISO14644 and ISO14698. Both standards have been under review for many years and whilst sections 1 and 2 of ISO14644 have been issued as draft international standards (DIS), further work on ISO14698 for bio-contamination has stopped.

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