Affiliation:
1. Universidade do Extremo Sul Catarinense – UNESC
2. Universidade do Extremo Sul Catarinense - UNESC
3. Federal University of Santa Catarina
Abstract
This work presents preliminary results of powder glasses with bactericide effect obtained by ionic
exchange between sodium ions, present in glass composition, and silver ions, present in the ionic exchange
medium. The powder glass was submitted to ionic exchange in ionic medium containing different
concentration of silver species. The results showed a bactericide effect dependence on AgNO3 concentration
in the ionic medium. Agar Diffusion Test on Escherichia coli bacteria, EDS analyses was applied to the
samples; the results showed there is a critical concentration of silver ions incorporated in the powder glass
and a limit to bactericide effect. The tests and analyses reveled that 6 wt% of AgNO3 in ionic medium was
the critical concentration.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Cited by
5 articles.
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