Microbiology Testing

Single Tube Method for Determining the Efficacy of Disinfectants Against Bacterial Biofilm (Pseudomonas aeruginosa and Staphylococcus aureus)

Purpose of Test The Single Tube Method for Determining the Efficacy of Disinfectants against Bacterial Biofilm test method is used to evaluate liquid disinfectants against biofilm bacteria (Pseudomonas aeruginosa and Staphylococcus aureus) in a closed, single tube system. Summary of Test A biofilm is grown onto a series of coupon “carriers” and treated with a… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Microbiology Testing, and Test


OECD Quantitative Method for Testing Antimicrobial Products Against Spores of Clostridium difficile (ATCC 43598) on Inanimate, Hard, Non-porous Surfaces

Purpose of Test The OECD Quantitative Method for Testing Antimicrobial Products Against Spores of Clostridium difficile (ATCC 43598) on Inanimate, Hard, Non-porous Surfaces is a carrier-based test method designed to evaluate chemicals for effectiveness against Clostridium difficile spores. The method has been implemented as a guidance document which follows U.S. EPA BEAD SOPs and is recognized… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Microbiology Testing, and Test


OECD Quantitative Method for Evaluating Efficacy of Liquid Antimicrobials against Candida auris on Hard, Non-Porous Surfaces

Purpose of Test The OECD Quantitative Method for Evaluating Efficacy of Liquid Antimicrobials against Candida auris on Hard, Non-Porous Surfaces is a carrier-based test method designed to evaluate chemicals for effectiveness against Candida auris. The method has been implemented as an interim guidance document that follows a U.S. EPA BEAD SOP and is recognized by… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Microbiology Testing, and Test


JIS Z 2801 / ISO 22196 Japanese Industrial Standard Test for Determining Antimicrobial Activity

Purpose of Test The JIS Z 2801 and ISO 22196 standard test methods are used to evaluate the efficacy of antibacterial plastics, metals, and ceramics. This method is generally used to substantiate antibacterial properties of treated products for non-public health related claims. Summary of Test In these methods, treated test samples and untreated control samples… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Microbiology Testing, Test, and Treated Article Efficacy


Mildew Fungistatic Test for Fabrics or Hard Surfaces

Purpose of Test The Mildew Fungistatic Test method is used to evaluate the effectiveness of products intended for use to prevent, control or inhibit the growth of fungi that cause mildew on various surfaces. This method is generally used to substantiate non-public health related claims with the U.S. EPA. Summary of Test In this method,… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Microbiology Testing, and Test


Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) Tests

Purpose of Test As an adaptation of the clinical susceptibility tests commonly used to determine effective concentrations of antibiotics, the MIC and MBC test method can be performed as a presumptive way to screen active concentrations of a product. This method is not typically used to generate antimicrobial claims with a specific regulatory agency but… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Microbiology Testing, Pharmaceutical, and Test


Virucidal Efficacy of a Disinfectant for Use on Inanimate Environmental Surfaces For Hepatitis B Virus

The U.S. Environmental Protection Agency (EPA) requires an infectivity assay to be conducted to determine the virucidal efficacy of disinfectants used on hard, inanimate environmental surfaces. Presently, there are no reliable in vitro infectivity assays available for Hepatitis B virus. The EPA has approved the use of surrogate viruses to be used as a model… Read More

Categories: Liquid Antimicrobial Efficacy Tests and Virology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Test, and Virology Testing


Quantitative Disk Carrier Test Method (Modification of ASTM Method E2197)

Purpose of Test The Quantitative Method for Evaluating the Activity of Microbicides used on Hard Non-Porous Surfaces is a carrier-based test method designed to evaluate liquid chemicals for bactericidal, mycobactericidal and fungicidal activity. The original intent in devising this method was to provide a harmonized method that was internationally recognized. The method has now been… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Microbiology Testing, OECD, and Test