It was found that the suppression of microorganisms such as Proteus vulgaris, Sh. paratyphi A. 290 (a), Sh. Newcastle «Sergeev», Staph. 209 aureus, Candida albicans and 62 Candida tropicalis, at a concentration of 102 microbial bodies in 1 ml is sufficient only 0.2 mg / L silver.
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Currently, one of the major challenges facing medicine is to find effective means to combat viruses, some Gram-negative bacteria such as Proteus, Pseudomonas aeruginosa, and fungi. Of particular importance is the search for anti-microbial means with respect to antibiotic-resistant forms of bacteria, in particular, staphylococcus, dysentery and tuberculosis bacteria. In this regard, as shown by our study, silver has the incomparable advantage over all existing anti-microbial agents. The effectiveness of silver water, as the majority of chemotherapeutic agents is largely dependent on the physical and chemical environmental conditions.
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Studies conducted by VM Savina, O. Bershova and EL Solovieva with the author, have shown that the anti microbial activity of silver affect: the dose Ag + contact time, the presence of organic substances in the environment, temperature, pH, environment, etc. The dose of 0.05 mg of silver (l in the case of contamination of drinking water bacteria coli (50,000 bacteria in 1 ml), to our knowledge, provides potable water after 2-3 h when a dose of 0.2 mg silver / liter water became suitable for drinking after 1-2 h at a dose of 0.5 mg silver / liter - 30-60 minutes at a dose of silver and 1.0 mg / l - 30 minutes. This increase in temperature and an increase in alkalinity increased the effect of reducing as these variables weaken it. Wurman and Tsobrist also indicate that the increase in water temperature at 10 ° C reduces the death of the bacteria in 1.6 times, and lowering the pH by one lengthens the time of death of bacteria in 1.6.
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The increase in water content of calcium ions for every 10 mg / l is accompanied by an increase in the time required for death of 99.9% of bacteria at 3 min. According to these authors, the addition of 10 mg / l of chloride in distilled water containing 0.06 mg / l of silver increases the time of death of bacteria by 25%. To ensure reliable drinking water disinfection needed an experimental selection of silver and silver-dose duration of exposure to disinfected water.