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PDA Journal of Pharmaceutical Science and Technology

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Research ArticleTechnology/Application

Method Verification Requirements for an Advanced Imaging System for Microbial Plate Count Enumeration

David Jones and Tony Cundell
PDA Journal of Pharmaceutical Science and Technology March 2018, 72 (2) 199-212; DOI: https://doi.org/10.5731/pdajpst.2017.007955
David Jones
Rapid Micro Biosystems Inc., Lowell, Massachusetts and Microbiological Consulting, LLC, Scarsdale, New York 10583, USA
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Tony Cundell
Rapid Micro Biosystems Inc., Lowell, Massachusetts and Microbiological Consulting, LLC, Scarsdale, New York 10583, USA
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  • For correspondence: tonycundell@gmail.com
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Article Information

vol. 72 no. 2 199-212
DOI 
https://doi.org/10.5731/pdajpst.2017.007955
PubMed 
29242391

Published By 
Parenteral Drug Association (PDA)
Print ISSN 
1079-7440
Online ISSN 
1948-2124
History 
  • Published online March 23, 2018.

Article Versions

  • previous version (December 14, 2017 - 17:10).
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Copyright & Usage 
© PDA, Inc. 2018

Author Information

  1. David Jones and
  2. Tony Cundell*
  1. Rapid Micro Biosystems Inc., Lowell, Massachusetts and Microbiological Consulting, LLC, Scarsdale, New York 10583, USA
  1. ↵* Corresponding Author: Microbiological Consulting, LLC, Scarsdale, New York, USA; e-mail: tonycundell{at}gmail.com
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PDA Journal of Pharmaceutical Science and Technology: 72 (2)
PDA Journal of Pharmaceutical Science and Technology
Vol. 72, Issue 2
March/April 2018
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Method Verification Requirements for an Advanced Imaging System for Microbial Plate Count Enumeration
David Jones, Tony Cundell
PDA Journal of Pharmaceutical Science and Technology Mar 2018, 72 (2) 199-212; DOI: 10.5731/pdajpst.2017.007955

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Method Verification Requirements for an Advanced Imaging System for Microbial Plate Count Enumeration
David Jones, Tony Cundell
PDA Journal of Pharmaceutical Science and Technology Mar 2018, 72 (2) 199-212; DOI: 10.5731/pdajpst.2017.007955
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Jump to section

  • Article
    • Abstract
    • Introduction
    • Historic Background to the Development of the Plate Count Method
    • Plate Count Method Limitations
    • Technical Background of the Advanced Imaging System Used in the Growth Direct™ System
    • General Description of the Growth Direct™ System
    • Universality of Blue Light Excitation and Green Light Emission for the Detection of Micro-colonies
    • Selection of Media and Membrane Filters for Microbial Enumeration for Bioburden Determination and Environmental Monitoring
    • Advantages of the Growth DirectTM System over the Plate Count
    • Regulatory and Compendial Guidance for the Validation of Alternative Microbiological Test Methods
    • Review of the Validation Parameters and Their Appropriateness for the Growth DirectTM System
    • Recommendations for the Method Verification of the Growth Direct™ System
    • Errors Associated with Colony Counting Procedures
    • Method Suitability Tests
    • Conclusions
    • Conflict of Interest Declaration
    • References
  • Figures & Data
  • References
  • Info & Metrics
  • PDF

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Cited By...

  • Multisite Qualification of an Automated Incubator and Colony Counter for Environmental and Bioburden Applications in Pharmaceutical Microbiology
  • A Systematic Approach for the Evaluation, Validation, and Implementation of Automated Colony Counting Systems
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Keywords

  • Automation
  • Advanced Imaging
  • membrane filtration
  • Plate Count
  • Counting Error
  • Absorbed and Emitted Light
  • Performance Qualification
  • Method Verification

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