PubMed · 14851431
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S GREENBURGH. 1951. River pollution.. https://doi.org/10.1177/146642405107100425
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To decontaminate spent offset-printing developer Polychrome 4003, several microorganisms were separated from the soil that has been used for developer dumping for 3 years. Two organism cultures were isolated and identified to genus Geomyces pannorum and Bacteria spp. These organisms, as well as commercial Septic Gobbler (SG) bacteria, were used to decontaminate the developer. Reduction of both the chemical oxygen demand (COD) and the amount of total identified organic compounds reached 30% after 40 day treatment of waste suspension by G. pannorum and Bacteria spp. A substantially higher degree of COD reduction by approximately 80% and the total amount of identified organic compounds by approximately 90% was achieved when SG bacteria have been applied for the same period. According to a rapid electrophysiological test with macrophytic algae Nitellopsis obtusa, the toxicity of spent offset-printing developer Polychrome 4003 was classified as extremely toxic (>100 toxic units, T.U.), and it remained at the same level after treatment with G. pannorum and Bacteria spp. More effective biodegradation with SG bacteria diminished toxicity substantially.
The control of environmental contamination has been considered a rational measure for preventing surgical site infection. This study aims to present the current recommendations related to the preparation of the surgical team and to discuss the role of nurses in controlling environmental contamination. On the basis of current literature, we treat issues related to surgical garment and hand brushing. Studies indicate that the preparation of the surgical team constitutes an important protection barrier for preventing surgical site infection; nevertheless, the need is highlighted for health professionals to realize procedures adequately.
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