Three-electrode galvanic microcells as a new antimicrobial tool

Abstract

This study presents the first research related to fungal and bacterial growth within electromagnetic fields generated by three-electrode galvanic cells, with PDA growth medium as an electrolyte. We used galvanic microcells constructed with copper, bismuth and zinc metal bars. The configuration of these electrodes was a fundamental agent in the creation of a maximum inhibition zone and in bismuth ion movement. Fungal strains, such as Aspergillus tubingensis and Rhodotorula mucilaginosa, and the bacterium Micrococcus luteus were used as model organisms.

Electromagnetic Field as Agent Moving Bioactive Cations. A New Antimicrobial System in Architecture Technology

“…Silver interacts with bacterial or fungal cell membranes [46]. We proposed using a new antimicrobial technology-an electromagnetic field created by galvanic cells that influences the moving of metal ions [82,83]. This method was named GALVI system.…”

“…This method was named GALVI system. We used two kinds of galvanic cells: the first composed of a two-electrodes system, Zn, Cu [82], and the second one composed of a three-electrodes system, Zn, Bi and Cu [83] (Figure 2). The three-electrodes system has a stronger antibacterial activity than the first one (Figure 2).…”

“…In the case of the three-electrode systems, their configurations (Figure 6) have fundamental implications for obtaining an optimal inhibition zone [83]. In the case of the three-electrode systems, their configurations (Figure 6) have fundamental implications for obtaining an optimal inhibition zone [83].…”

Antiviral activity of galvanic microcells of zinc and copper contained within painted surfaces

“…after 21 days, while tested in the same time and conditions, the control samples showed full viability and growth of the test strains (level 4 ) after only 7 days 13 . The addition of a third bismuth electrode also results in the system efficiency against Micrococcus luteus bacterial strain 14 .…”

Non-Equilibrium Crystallization of Monotectic Zn-25%Bi Alloy under 600 g

“…Zinc–bismuth alloys are also interesting for their bactericidal applications [ 18 ]. This is allowed for improvement of typical anticorrosion zinc covers with bactericidal and antifungal effect.…”