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


EN 14348 Chemical Disinfectants and Antiseptics: Quantitative Test for Basic Mycobactericidal Activity

Summary of Test The EN method below 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: Microbiology Testing

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


USP 51 Preservative Effectiveness Testing Method (and CTFA Method M-3)

Purpose of Test Antimicrobial preservatives are substances typically added to non-sterile products (e.g. cleansers, cosmetics and other personal care products) to protect the product from microbiological growth. Effective preservation is important to ensure product quality and product safety and is commonly regulated by the U.S. FDA. The United States Pharmacopeia test and the Cosmetic, Toiletry… Read More

Categories: Microbiology Testing

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


Ex-Vivo Skin Model Testing of Antimicrobial Lotions or Sanitizers

Purpose of Test The Ex-vivo skin model test a carrier-based test method used to screen antimicrobial lotions, handwashes or hand sanitizers for sanitizing efficacy or residual sanitizing efficacy. As an in-vitro adaptation of the ASTM E1174 method which is designed to clinically evaluate the effectiveness of handwashes, this study allows for quick screening of products… Read More

Categories: Microbiology Testing

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


Food Contact Sanitizer Testing for Towelettes (Modification of AOAC Method 960.09)

Purpose of Test A modification of the AOAC Germicidal and Detergent Sanitizing Action of Disinfectants test method is used to evaluate towelettes intended to sanitize food contact surfaces such as: hard non-porous tables, countertops (stainless steel, laminated, sealed ceramic) stove tops, interior and exterior surfaces of microwaves and refrigerators. Such products are typically registered with… Read More

Categories: Microbiology Testing

Tags: Antimicrobial, Antimicrobial Liquid, 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