Spore-forming pathogenic bacteria, such as Clostridium difficile, cause infections. This has led to an increased use of sporicidal disinfectants. These disinfectants should be evaluated against spores according to a known and recommended standard. In this context, the ASTM E2197 standard, developed by the American Society for Testing and Materials, is used as a basis. The full name of this standard is: ASTM E2197-11 Standard quantitative disk carrier test method for determining the bactericidal, virucidal, fungicidal, mycobactericidal and sporicidal activities of liquid chemical germicides.
The test method described in this standard is designed to evaluate the ability of test substances to inactivate vegetative bacteria, viruses, fungi, mycobacteria and bacterial spores on brushed stainless steel disc carriers representing hard, non-porous environmental surfaces and medical devices. This test method does not involve any wiping or rubbing action.
This test method uses stainless steel discs as carriers and the performance of the test formulation is calculated by comparing the number of live test organisms with those in the control carriers. Surface tests are preferred for the evaluation of disinfectants with sporicidal effects on hard surfaces.
Test organisms used in sporicidal activity tests include spores of clostridioides difficile and bacillus amyloliquefaciens.
In the test, analysis, measurement and evaluation studies carried out in our organization, national and international standards and applicable legal regulations are complied with and reliable and impartial results are obtained. Among the numerous tests performed in this context, there are services for the evaluation of sporicidal activity.
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