Effect of a combined treatment using both direct and alternating electric currents on hide bacteria in hide-soak liquor |
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| Authors: | Yasar Birbir Nazli Dolek Meral Birbir |
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| Institution: | 1. Faculty of Technology, Electrical and Electronic Engineering Department, Marmara University, Goztepe, Istanbul 34722, Turkiye;2. Institute for Graduate Studies in Pure and Applied Science, Marmara University, Goztepe, Istanbul 34722, Turkiye;3. Faculty of Arts and Sciences, Department of Biology, Marmara University, Goztepe, Istanbul 34722, Turkiye |
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| Abstract: | Inactivation effect of an electric current treatment combining both 188 μA/m2 DC and 251 μA/m2 AC on Gram negative, Gram positive bacteria and their mixed culture, which were isolated from hides, was separately analyzed. This electric treatment, applied for 16 min was found to be fairly effective in reducing the bacterial cell count (7.10–7.48 log10 colony forming units/mL) to a relatively low level (4.52–4.90 log10 colony forming units/mL). At this level bacterial damage to the hides is reduced in soak liquors. Cheap and efficient electric current may be applied to rapidly reduce the destructive bacterial populations in main hide-soak liquors. |
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| Keywords: | Direct electric current Alternating electric current Hide industry Hide-soak liquor Gram-negative and Gram-positive bacteria |
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