BS EN ISO 20743 Determination of antibacterial activity of textile products

BS EN ISO 20743 Determination of antibacterial activity of textile products


Hi, my name is John Fallon I’m the senior microbiologist at airmid healthgroup and today I’m going to talk to you about our range of testing services for
antimicrobial finishes and other products A microbe of interest is introduced
to the surface, either by absorption or is transferred
directly by surface contact with an agar plate. After a period of incubation the textile or fabric of interest is
washed and is extracted then for a total viable count for the number of bacteria which
are still viable. After 24 hours on a suitable agar the number of colony-forming units
is analyzed and then we can calculate what the antibacterial effectivity of this
particular treatment on the textile or fabric of interest is by counting the number
of colony-forming units and we are able to make a mathematical comparison between the untreated specimens and the treated specimens. The value of this test is that we can
objectively show the effectivity of a particular
treatment on a textile, and we are able to quantify this quite accurately.
The microorganisms that we use in this case are E. coli and Staphylococcus aureus, but as for the other treatments we are able to
adapt this to meet the needs of our clients with other microorganisms in an aerobic
environment I hope this has been helpful showing you all the different tests we perform at airmid healthgroup. If you would like any further information as to how
we can add value to the claims you are making for particular products,
please don’t hesitate to visit our website.

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