Dear Doctoral Students

Please see post doc opportunity below.


Please post to SSB website.



Kimberly Harris, Graduate Student Services Coordinator
School of Systems Biology - College of Science
George Mason University Sci-Tech Campus
Manassas Virginia 20110
703-993-4263 or 703-993-8976 fax

From: 'Dunkers, Joy P. (Fed)' via ASM DC Branch Mailing List <[log in to unmask]>
Sent: Friday, September 3, 2021 8:57 AM
To: DC Branch ASM <[log in to unmask]>; [log in to unmask] <[log in to unmask]>
Subject: National Research Council Postdoctoral Opportunity at the National Institute of Standards and Technology (Gaithersburg, MD)

National Research Council postdoctoral Fellowship Opportunity at the National Institute of Standards and Technology in Gaithersburg, MD


Advanced Methods for Measuring Microbial Viability

Joy Dunkers and Nancy Lin
Biosystems and Biomaterials Division
Materials Measurement Laboratory


The success of any antibiotic or antimicrobial approach rests in the developerís ability to demonstrate it can effectively kill bacteria or severely retard their growth. In addition, the success of a microbial therapeutic or probiotic product relies on knowing viable count. Correctly determining bacterial viability, in other words whether an individual cell is alive or dead, is a critical and challenging measurement. Our goal is to develop advanced methods for rapidly, accurately and quantitatively measuring the viability of mixed microbial populations. This project will focus on the development of systematic, reliable methods for measuring viability of individual cells in a population. Understanding the effect of sublethal dosing chemical, antibiotic or UV-C antimicrobial treatments on viability and pathogenicity is critical insight that will help drive the success of real-world antimicrobial technologies. General approaches may include advanced imaging modalities, high-throughput technologies, standards and reference material development, and validation against existing compendial methods. The development of techniques to quantify viability will provide the means to reliably screen mixed microbial populations in vitro

Fellowships are open to US citizens with February 1 and August 1 application deadlines. For more information, please visit the NIST NRC information page.


If interested, please contact:

Dr. Joy Dunkers                                                                         Dr. Nancy Lin
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Related NRC Opportunity:



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