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Water Filters

Posted by Brano on November 17, 2014

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Silver NP's

Silver nanoparticles (SNP's or AgNP's) exhibit antibacterial properties via bacterial inactivation and growth inhibition. 1 Zeta potential measurements revealed that the NPs were negatively charged; unlike Ag ions . 2 No evidence was found for loss of membrane integrity with an environmentally beneficial bacterium upon treatment with the NPs . 2 Collision between two particles of different sizes; Ag-NPs which are in the nanometer size range and biocolloids (bacteria cells) which are in the micrometer size range . 1 Examples: Commercial use of Silver NP's LinkedTube Silver Shield Gel Silver Shield Liquid References: 1 . Silver nanoparticle–E. coli colloidal interaction in water and effect on E. coli survival , A. Dror-Ehrea, , , H. Mamaneb, T. Belenkovac, G. Markovichc, A. Adina, Journal of Colloid and Interface Science Volume 339, Issue 2, 15 November 2009, Pages 521–526 2 . Interaction of silver nanoparticles with an environmentally beneficial b

Water for Home & Office

TAP OR BOTTLED WATER? The total amount of water in a man of average weight (70 kilograms) is approximately 40 litres, averaging 60 percent of his total body weight. In a newborn infant, this may be as high as 75 percent of the body weight, but it progressively decreases from birth to old age. Most of the decrease occurring during the first 10 years of life. Also, obesity decreases the percentage of water in the body, sometimes to as low as 45 percent". (Medical Pshycology, Guyton, Arthur C, 1991.) What is wiser: Make a high quality drinking water and flush it in toilet or suffer under plastic supporting bottle water industry (three out of four plastic bottles are still not recycled since natural decaying or life of plastic is hundreds of years almost like used nuclear fuel). At the same time our troubles with carbon footprint are not getting smaller in future (i.e. about 4,000 tons of CO2 are emitted during the transportation of bottled water from France, Italy, and

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