Antimicrobial properties of copper2 Dec 2020 09:08
Great explanation on Wiki why / how copper kills virus / -and why it should be used in masks for those need to know more info.
https://en.wikipedia.org/wiki/Antimicrobial_properties_of_copper
The nuclear make up copper and nanotechnology.
A subsequent paper[14] probed some of copper's antimicrobial mechanisms and cited no fewer than 120 investigations into the efficacy of copper's action on microbes. The authors noted that the antimicrobial mechanisms are very complex and take place in many ways, both inside cells and in the interstitial spaces between cells.
Examples of some of the molecular mechanisms noted by various researchers include the following:
The 3-dimensional structure of proteins can be altered by copper, so that the proteins can no longer perform their normal functions. The result is inactivation of bacteria or viruses.[14]
Copper complexes form radicals that inactivate viruses.[15][16]
Copper may disrupt enzyme structures, and functions by binding to sulfur- or carboxylate-containing groups and amino groups of proteins.[17]
Copper may interfere with other essential elements, such as zinc and iron.
Copper facilitates deleterious activity in superoxide radicals. Repeated redox reactions on site-specific macromolecules generate HO• radicals, thereby causing "multiple hit damage" at target sites.[18][19]
Copper can interact with lipids, causing their peroxidation and opening holes in the cell membranes, thereby compromising the integrity of cells.[20] This can cause leakage of essential solutes, which in turn, can have a desiccating effect.
Copper damages the respiratory chain in Escherichia coli cells.[21] and is associated with impaired cellular metabolism.[22]
Faster corrosion correlates with faster inactivation of microorganisms. This may be due to increased availability of cupric ion, Cu2+, which is believed to be responsible for the antimicrobial action.[23]
In inactivation experiments on the flu strain, H1N1, which is nearly identical to the H5N1 avian strain and the 2009 H1N1 (swine flu) strain, researchers hypothesized that copper's antimicrobial action probably attacks the overall structure of the virus and therefore has a broad-spectrum effect.[24]
Microbes require copper-containing enzymes to drive certain vital chemical reactions. Excess copper, however, can affect proteins and enzymes in microbes, thereby inhibiting their activities. Researchers believe that excess copper has the potential to disrupt cell function both inside cells and in the interstitial spaces between cells, probably acting on the outer envelope of cells.[25]
Currently, researchers believe that the most important antimicrobial mechanisms for copper are as follows:
Elevated copper levels inside a cell causes oxidative stress and the generation of hydrogen peroxide. Under these conditions, copper participates in the so-called Fenton-type reaction — a chemical reaction causing oxidative damage to cells.
Excess copper causes a decli
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