Page 15 - Bullion World Volume 3 Issue 4 April 2023

Bullion World | Volume 3 | Issue 4 | April 2023

Figure 1: Antimicrobial mechanism of AGXX. AGXX acts against all types of microorganisms by generating
reactive oxygen species, inducing a microelectric field, and oxidizing organic
matter as part of its circular redox system.

AGXX – a highly effective In this context, AGXX has also successfully impregnated onto
antimicrobial technology based been successfully used against various types of activated carbon
on precious metals silver-resistant E. coli strains, the granules and pellets, which can be
AGXX is a new antimicrobial multi-resistant germ methicilin- easily used in activated carbon-
technology based on the catalytic resistant S. aureus (MRSA) or CoV2 based water filters.
generation of reactive oxygen viruses, which can be attributed to
species (ROS) from water and the catalytic mechanism of action AGXX activated carbon granules
oxygen. This reaction is caused and the generation of oxygen free showed excellent antimicrobial
by the electrochemical interaction radicals. The application of AGXX efficacy in ASTM E2149 and
between the two precious metals also prevents biofilm formation, laboratory water filtration tests.
silver and ruthenium. In addition, which has already been successfully Currently, samples of AGXX-modified
a microelectric field between the demonstrated in use against activated carbons are being tested
two precious metals enhances the Legionella. in wastewater treatment and for
antimicrobial effect. cleaning systems in swimming pools
AGXX for water filtration at the Fraunhofer Institute UMSICHT
Compared to conventional biocides, AGXX can be integrated into a wide and the IWW Center for Water,
such as silver ion technologies, range of applications as a particle- respectively. Both the potential of
AGXX is not based on the release based system. The technology is AGXX to kill germs in water filtration
of metal ions or harmful compounds available in various product forms and the influence of the AGXX
into the environment. AGXX is that are optimized for different coating on the filter properties of the
not self-consumed as part of product types. For this purpose, the activated carbon are being tested.
the catalytic redox reaction and precious metals are deposited on
therefore provides long-lasting different carrier materials. AGXX
protection. grades based on fine powders of
inorganic carriers such as activated
To date, antimicrobial activity has carbon powder, aluminum oxide
been demonstrated against more or titanium dioxide are well suited
than 130 microorganisms, including for incorporation into textile filters.
bacteria, viruses, algae and fungi. In addition, AGXX can also be

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