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


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


Virucidal Efficacy of a Disinfectant for Use on Inanimate Environmental Surfaces For Norovirus

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 Norovirus. The EPA has approved the use of surrogate viruses to be used as a model virus to… Read More

Categories: Liquid Antimicrobial Efficacy Tests and Virology Testing

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


Re-Use Stress Testing and Evaluation of Disinfectants

Purpose of Test The U.S. FDA and Health Canada require that high-level disinfectants intended to be continuously reused in a clinical setting be evaluated for efficacy after the product has been subjected to simulated re-use procedures. The purpose of this method is to generate a product which has undergone simulated use and periodic bio-burden stressing.… Read More

Categories: Liquid Antimicrobial Efficacy Tests and Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, Cleaning Validation, Medical Device, Microbial Identification, Microbiology Testing, and Test


EN 13727 Chemical Disinfectants and Antiseptics: Quantitative Suspension Test for the Evaluation of Bactericidal Activity for Instruments Used in the Medical Area

Summary of Test The EN method is designed to evaluate the bactericidal, fungicidal, yeasticidal, basic sporicidal or mycobactericidal activity of a product used under various conditions. Many methods are suspension based and are used to support general antimicrobial claims while other test methods are carrier-based and are used to support antimicrobial activity of products on… Read More

Categories: Liquid Antimicrobial Efficacy Tests

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


Reusable Medical Device Disinfection Validations

Low, Intermediate and High-Level Disinfection Validation for a Reusable Medical Device AAMI Method TIR12 AAMI TIR30 Purpose of Test The U.S. FDA requires that disinfection instructions supplied by medical device manufacturers to the end-users of reusable medical devices be validated to assure that they are appropriate for the device. AAMI Technical Information Reports (TIR) 12… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Cleaning Validation, Medical Device, Microbial Identification, Microbiology Testing, and Test