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Microbiology & Rapid Micro Methods (RMMs)

A selection of articles from European Pharmaceutical Review covering Microbiology & Rapid Micro Methods (RMMs):


The limitations of the colony-forming unit in microbiology

The limitations of the colony-forming unit in microbiology

6 January 2016  •  Tony Cundell, Microbiological Consulting LLC

The recent revision to USP General Informational Chapter <1223> Validation of Alternative Microbiological Methods that became official on December 1, 2015 contained a section discussing the limitations of the colony-forming unit (CFU) in terms of enumerating only those microorganisms that readily grow on solid microbiological media. The section highlights its inappropriateness as a gold standard for method validation when there are many signals available other than CFUs for the detection, enumeration and identification of microorganisms in water, air, pharmaceutical ingredients and drug products...

Arnaud Carlotti, President of Eurofins IDmyk

Under the microscope: Dr. Arnaud Carlotti, PhD, HDR, President of Eurofins IDmyk

6 January 2016  •  Caroline Richards

Caroline Richards, Editor of European Pharmaceutical Review, asks Dr. Arnaud Carlotti, PhD, HDR, President of Eurofins IDmyk, to provide his insights on the microbial testing industry...

RMM In-depth focus

RMM: In-Depth Focus 2015

22 October 2015  •  David Roesti, Erik Wilkens, Mostafa Eissa, Hideharu Shintani

Implementation of a rapid methods portfolio at a pharmaceutical manufacturing site; Use of RMMs in quality control: challenges and benefits; Rapid assay for bioburden and other contaminations; RMM Roundtable...

Rapid methods update: revisions to a United States Pharmacopeia chapter

Rapid methods update: revisions to a United States Pharmacopeia chapter

3 September 2015  •  Michael J. Miller, PhD Microbiology Consultants, LLC

From 2010 to 2013, European Pharmaceutical Review published a very successful series on rapid microbiological methods (RMM) that included hot topics such as the European Medicines Agency’s and US Food and Drug Administration’s expectations, implementation strategies, scientific principles behind the technologies and validation. The final article of the 2012 series introduced the United States Pharmacopeia’s (USP’s) plan to revise informational chapter <1223>, Validation of Alternative Microbiological Methods.1 On June 1, 2015, a substantially modified chapter <1223> was published in the second supplement to USP38/NF33 with an official date of 1st December 2015. Because the original USP chapter was published almost 10 years ago, this article will review the most notable changes and compare them with what is recommended in the Parenteral Drug Association (PDA) Technical Report Number 33 and the proposed revision to European Pharmacopoeia (Ph. Eur.) chapter 5.1.6...

Microbiology in-depth focus 2015

Microbiology in-depth focus 2015

3 July 2015  •  European Pharmaceutical Review

In this in-depth focus: Diversity of bacteria in pharmaceutical water: significance and impact on quality, Risk-based environmental control and monitoring and Microbiology Roundtable...

Reducing microbial contamination via sterile risk assessment

Reducing microbial contamination via sterile risk assessment

20 April 2015  •  Guenther Gapp, Lachman Consulting Ltd/Independent Consultant

Several years ago, microbiologist Guenther Gapp created a new sterile risk assessment tool (based on a hazard operability analysis [HAZOP] approach) to identify and reduce the microbial contamination and compliance risk of aseptically-produced sterile products and production plants. The following article describes the operating principle of three risk analysis tools with a special focus on the revised 2015 edition. This latest edition incorporates the improvements that have been implemented in recent years, which make the tool more applicable and thus valuable for the user...

Real-time biological particle counting in environmental monitoring

Real-time biological particle counting in environmental monitoring

20 April 2015  •  Tim Sandle, Bio Products Laboratory

The methods for monitoring air in cleanroom environments: viable counting techniques (settle plates and biological air samplers) and particle counters, are long established technologies and have been widely used in pharmaceutical manufacturing environments for decades. Although innovations have taken place with both particle counters and biological air samplers, primarily in relation to the size of the instruments and in reducing the time taken to collect a fixed volume of air, the essential technology has remained unchanged. However, recently, some new technologies for biological air sampling have been developed (bio-air systems), which will be discussed in this article...

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Practical Application of RMM in Pharmaceutical Manufacturing

15 December 2014  •  Scott Sutton Ph.D. - President of Pharmaceutical Microbiology Forum & Owner of The Microbiology Network & Dr. Yongqiang Zhang - Senior Scientist at BD Diagnostics

Discussion on how a rapid method can provide a solution to a common microbiological testing problem for pharmaceutical manufacturers – process water microbiology testing.

RMM in-depth focus

RMM: In-depth focus 2014

5 November 2014  •  Michael J. Miller, Deborah Gessell-Lee, Oliver Gordon, Joe Johnston, Neil Lewis, Jeanne Mateffy, Jeffrey W. Weber

Michael J. Miller discusses rapid microbiological methods and the regulatory environment, the Online Water Bioburden Analyzer Workgroup look at the path to implementing Online Water Bioburden Analyzers, plus RMM roundtable...

Microbiology Supplement 2014

Microbiology: In-depth focus 2014

3 July 2014  •  Dr. Guenther Gapp, James L. Drinkwater

In this free-to-view in-depth focus: How to deal with non-sterile results in aseptic processing, Risk Profiling and Proactive Response (RPPR) to Bio-contamination in GMP classified and controlled areas, Microbiology Roundtable...

Syringe and bottle

Microbiology Series: Antimicrobial delivery

15 April 2014  •  Joshua Boateng and Harshavardhan Pawar, Department of Pharmaceutical Chemical and Environmental Sciences, Faculty of Engineering and Science, University of Greenwich

Antimicrobial drugs form a significant aspect of disease therapy and are a major means of treating bacterial, fungal and viral infections. The issue of antimicrobial therapy is of current interest and clinical concern. This is mainly due to two key reasons; (i) persistent emergence of microbial resistant strains and (ii) the significant reduction in the rate of successful discovery new generations of more potent antibiotics to combat this resistance epidemic (especially in bacteria).

Microbiology Fungal Contamination

Fungal contamination of pharmaceutical products: a growing menace

19 February 2014  •  Tim Sandle, Pharmaceutical Microbiology Interest Group (Pharmig)

Any pharmaceutical product, whether manufactured in the hospital or industrial environment, has the potential to be contaminated with microorganisms. With sterile products, any microbial contamination presents an unacceptable risk; with non-sterile products, the implication of the contamination is dependent upon whether the microorganism can be considered ‘objectionable’, and then to the extent that it can cause patient harm (and here a risk assessment is ordinarily required).


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