Moataza Mahmoud Saad

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The aim of this study was to evaluate the effect of chitinase and protease enzymes produced by environmentally safe soil Fungi; Aspergillus sp. NRC 4/5H; Mucor sp. NRC 5; Trichoderma sp. NRC 4/56; Aspergillus sojae; Mucor ranosisinus; Aspergillus oryzae on embryo development of the camel tick Hyalomma dromedarii eggs. The experiment was carried out on the 7(More)
An alkaline protease was purified from a halophilic and thermotolerant potent alkaline protease-producing strain Streptomyces pseudogrisiolus NRC-15 using ammonium sulphate precipitation and Sephadex G-100 column chromatography. The enzyme was purified to 77.24-folds with a yield of 91.8% and the specific activity was 112 U/mg of protein. The protease(More)
The aim of the present study is to purify L-methioninase from Candida tropicalis 34.19-fold with 27.98% recovery after ion exchange chromatography followed by gel filtration. The purified enzyme revealed a single band on SDS-PAGE gel with a molecular weight of 46 KDa. Its optimum temperature was 45 to 55 and thermal stability was 55°C for 15 min. The enzyme(More)
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