Montana State University
Knowledge Sharing Articles
The first series of articles focuses on laboratory tests for surface disinfectants. The articles present ideas that Professor Marty Hamilton explored and developed while participating as the biostatistician on interdisciplinary research teams in the CBE and elsewhere.

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2011

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    How to decide whether the reproducibility standard deviation is small enough
    Revised: October 30, 2011
    Published: September 15, 2011

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Assessing resemblance, repeatability, and reproducibility for quantitative methods
    Revised: January 23, 2012
    Published: June 23, 2011

  • STANDARDIZED METHODS:  Testing Surface Disinfectants
    Importance of checking whether the harvesting and disaggregating steps bias the results of a surface disinfectant test

  • STANDARDIZED METHODS:  Testing Surface Disinfectants
    The P/N formula for the log reduction when using a semi-quantitative disinfectant test of type SQ1

2010

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    The log reduction (LR) measure of disinfectant efficacy

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Enumerating viable cells by pooling counts for several dilutions

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    How the differences between disinfectant tests and chemical assays affect method evaluation criteria

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Method development phases

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Desirable attributes of a standardized method

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Quantitative, semi-quantitative, qualitative, and alternative methods

    Revised October 25, 2011
    Published May 27, 2010

  • STANDARDIZED METHODS: Testing Surface Disinfectants
    Introduction