ASTM E Antimicrobial Standard Test Method for Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents Under Dynamic Contact. ASTM E Standard Test Method for Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents under Dynamic Contact Conditions. The test. ASTM E Test for Irregularly. Shaped Antimicrobial Surfaces. This is a microbiological quantitative and standardized method and representing a bacterial.

Author: Malrajas Doutaur
Country: Suriname
Language: English (Spanish)
Genre: History
Published (Last): 1 July 2017
Pages: 164
PDF File Size: 16.83 Mb
ePub File Size: 1.41 Mb
ISBN: 536-9-17693-836-8
Downloads: 44363
Price: Free* [*Free Regsitration Required]
Uploader: Bagal

The types of products commonly tested by this method include antimicrobial countertops, antimicrobial toilet seats, antimicrobial astm e2149, or antimicrobial films. Shubhda Research Institute Complete solutions for all your Microbiology testing needs! Microbial concentrations in the treated and untreated samples are usually determined at 0, 1 or 24 hours contact time.

The antimicrobial activity of astm e2149 substrate-bound, non-leaching antimicrobial agent is dependent upon direct contact of microbes with the active chemical agent. Shubhda Research Institute Unit No.

ASTM E – Microbe Investigations (MIS)

To determine if a compound is immobilized in all conditions or during the end use of the product additional testing may be required. Not Logged In Member?: Log in Log out Edit.

This test method is designed to evaluate the resistance of specimens treated with a non-leaching antimicrobial agent to the growth of microbes under dynamic contact conditions. This test method standardizes both the growth conditions of the challenge astm e2149 and astm e2149 contact times to reduce the variability associated with growth phase of the microorganism.

In this test method, appropriately standardized concentration of freshly cultured microorganism is prepared. It is the responsibility of the user of this standard to establish astm e2149 safety and health practices and determine the applicability of regulatory limitations astm e2149 to use. Presence of residual antimicrobial activity indicates the presence of a leaching type of antimicrobial agent. This dynamic shake flash test was developed for routine astm e2149 control and screening test.

This standard does not purport to address all of the safety concerns, if any, associated with its use. This method is generally used to substantiate antimicrobial properties of treated specimens for non-public astm e2149 related claims.


These difficulties include ensuring contact of inoculum to treated surface as in AATCCflexibility of retrieval at different contact times, e249 of inappropriately applied static conditions as in AATCCsensitivity, and astm e2149.

ASTM E – Antimicrobial Test | Situ Biosciences LLC

Though the ASTM E method has some drawbacks, it is relied upon heavily astm e2149 the industry and can serve to benchmark your company’s products against those offered for sale by other companies. Work Item s – proposed revisions of this standard. Work Item s – astm e2149 revisions of this standard.

Antimicrobial Hard Surfaces For Bacteria. This dynamic shake flask test was developed for routine quality control and screening tests in order to overcome difficulties in using astm e2149 antimicrobial test methods to evaluate substrate-bound antimicrobials.

astm e2149

For a Quote or any astm e2149, Contact Us now! For each product to be tested, 50 mL of the standardized microbial culture is placed into 3 containers sterile glass jars work well. Note 1 — Stresses may include laundry, wear and abrasion, radiation and steam sterilization, UV exposure, solvent manipulation, temperature susceptibility, or similar physical ast, chemical manipulation.

Maria Curry astm e2149 Link to Active This link will always route to the current Active astm e2149 of the standard. This test method is astm e2149 to evaluate the antimicrobial activity of non-leaching, antimicrobial-treated specimens under dynamic contact conditions.

These difficulties include ensuring contact of inoculum to treated astm e2149 as in AATCCflexibility of retrieval at different contact times, use astm e2149 inappropriately applied static conditions as in AATCCsensitivity, and reproducibility. It is for this reason that the use of the term leaching throughout this document e149 limited to only the testing conditions described herein. This standard does not purport to address all of the safety concerns, 2e149 any, associated with its use.

Materials evaluated astm e2149 this method may be comprised of fabric, paper, powder or other solid materials. Disinfectants And Sanitizers Testing. The astm e2149 in bacterial population between the jar that contained the antimicrobial product to the jar which had the Blank Control untreated is determined. The ASTM E method, titled “Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents Under Dynamic Contact Conditions” is a sensitive test, often used to measure the antimicrobial activity of non-leaching, asstm shaped asym hydrophobic surfaces.


In this method, treated test samples are placed in a laboratory flask e21149 a dilute suspension of test organism, commonly Escherichia coli. E1249 aspect of testing ” treated articles ” which are normally exempt from EPA data review is that there is ample opportunity to develop scientifically defensible and realistic test models to verify antimicrobial efficacy.

The result is represented as log reduction or percentage reduction. A Solution Test is conducted per the method to determine leaching of the antimicrobial agent. Immobilized antimicrobial agents, such as surface bonded materials, are not free to diffuse into their environment under normal conditions of use.

Referenced Documents purchase separately The documents axtm below are referenced within the subject standard but are not provided as part of the astm e2149.

ASTM E2149 – Antimicrobial Test

This question is astm e2149 testing whether or not you are a human visitor and to prevent automated spam submissions. It has been developed for astm e2149 qstm control and screening tests and is used to evaluate substrate bound antimicrobials.

No other units of measurement are included in this standard. Industries that we serve.

ASTM E2149 Antimicrobial Activity

Our policy towards the asrm of e249 Techstreet, a Clarivate Analytics brand, uses cookies to improve your online experience. For example, water soluble antimicrobials will astm e2149 prone to removal from the test surface using the method described in Section 13 but insoluble compounds will not.

Because it’s one of the only ways to test an irregularly shaped antimicrobial object, such as a thread, powder, or 3D molded plastic in a standardized fashion. An antimicrobial surface that “passes” at one hour of contact is almost certainly more effective astm e2149 a surface that “passes” at astm e2149 hours contact.