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Nano silver as an antimicrobial agent for cotton Due to the growing demand for comfortable, clean,
and hygienic textile goods, an urgent need for production of antimicrobial textile goods has arisen. With the
advent of new technologies, the growing needs of consumers in terms of health and hygiene can be fulfilled
without compromising issues related to safety, human health, and the environment. Nano-scale particles
provide a narrow size distribution, which is required to obtain a uniform material response. Materials such as
paints, pigments, electronic inks, and ferrofluids as well as advanced functional and structural ceramics require
that the particles be uniform in size and stable against agglomeration.
Nano silver as an antimicrobial agent for cotton
Nano silver as an antimicrobial agent for cotton with significant surface areas, often agglomerate to minimise
the total surface or interfacial energy of the system. Although the process of using solution chemistry can be a
practical route for the synthesis of both sub-micrometre and nano-scale particles of many materials, issues such
as control of size, distribution of particles, morphology, crystallinity, particle agglomeration during and after
synthesis, and separation of these particles from the reactant need further investigation. In the last few years,
the market for antimicrobial textiles has shown double digit growth. This growth has been fuelled by the
increased need of consumers for fresh, clean, and hygienic clothing. Extensive research is taking place to
develop new antimicrobial finishes. This paper reports, in detail, the role of textiles in microbial propagation, the
mechanism of antimicrobial activity, and the principles of antimicrobial finishing of textiles.
Nano silver as an antimicrobial agent for cotton is a powerful and natural anti microbial agent that has been
proven highly effective in fighting a whole range of microbes. Acting as a catalyst, it reportedly disables the
enzyme that one-celled bacteria, viruses, and fungi need for their oxygen intake without causing corresponding
harm to human enzymes or other parts of the human body chemistry. The result is the destruction of diseasecausing organisms without any detrimental effects on the surrounding human tissue
Facts about silver
– NASA uses silver in its water purification systems for the space shuttle. – Silver kills over 650 different types of
bacteria – The Romwater in silver vessels. – American settlers put and stored silver coins in milk containers to
prevent spoilage.
How does nano silver work? Antimicrobial mechanism of nano-silver – Nano silver is presumed to exert its
antimicrobial effect through the dual mechanisms of denaturation and oxidation.
Denaturation – The essential structure of the enzyme that produces oxygen seems to get disconnected by the
catalytic function of silver.
Oxidisation – Silver nano particles generate reactive oxygen in the air or in the water, which in turn destroy cell
wall membranes of bacteria. Nano silver versus other antibiotics
Effective but harmless – Silver attacks bacteria by either denaturation or oxidisation. For these reasons, bacteria
cannot build resistance against silver. As human cells are a tissue type, they are unaffected by these actions.
Permanent solution – Unlike most antibiotics, which are consumed while destroying bacteria, silver remains
unconsumed while constantly working as a catalyst
Nano silver as an antimicrobial agent for cotton can be used effectively as an antimicrobial agent for cotton.
The higher the concentration of antimicrobial agent, the larger the zone of inhibition in the cases of both
Grampositive and Gram-negative bacteria. SEM study of antimicrobial-finished fabric reveals that a continuous
polymer film has been formed on the fabric. The concentration of PVOH controls the bending length and crease
recovery angle. The higher the concentration of PVOH, the greater the bending length and crease recovery
angle. Curing temperature and time have profound impacts on the tensile strength. The higher the curing
temperature and time, the lower the tensile strength.
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