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The formation of foam due to the injection of surfactant foam in FAWAG causes significant problems in the oil well production and separation facilities. The excessive foam can lead to the reduction of the separator capacity as well as its efficiency. A defoamer is needed to break and destroy the foam in the separator. There are many commercially available defoamer agents in the market, but not all defoamers are suitable for every application. For this reason, four modified silicone-based defoamers were successfully synthesized and characterized base

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Directed gene therapy mediated by nucleases has become a new alternative to lead targeted integration of therapeutic genes in specific regions in the genome. In this work, we have compared the efficiency of two nuclease types, TALEN and meganucleases (MN), to introduce an EGFP reporter gene in a specific site in a safe harbor locus on chromosome 21 in an intergenic region, named here SH6. The efficiency of targeted integration mediated by SH6v5-MN and SH6-TALEN in HEK-293H cells was up to 16.3 and 15.0%. A stable expression was observed bo