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Preparation and antibacterial properties of MgO-CuO-CaO composite by microwave hydrothermal method
Received date: 2020-06-27
Online published: 2020-12-15
MgO-CuO-CaO composites were synthesized by microwave hydrothermal using MgCl2·6H2O,CuCl2·2H2O and CaCl2 as raw materials and CTAB as dispersant.The structures of the samples were characterized by X-ray diffraction（XRD）,scanning electron microscopy（SEM）,nitrogen adsorption（BET） and other characterization methods.The minimal inhibitory concentration（MIC） and colony count method were used to test the antibacterial properties of the samples.The results showed that MgO-CuO-CaO composites were nanoflake structure.The prepared MgO0.7CuO0.1CaO0.2 had a specific surface area of 66.789 m2/g,an average pore diameter of 54.117 nm and a pore volume of 0.904 cm3/（g·nm）.MgO0.7CuO0.1CaO0.2 showed excellent antibacterial properties at the concentration of 500 μg/mL,and the antibacterial rate reached more than 99.9% at the concentration of 600 μg/mL.
Qizhe Tian , Junwei Ye , Guiling Ning . Preparation and antibacterial properties of MgO-CuO-CaO composite by microwave hydrothermal method[J]. Inorganic Chemicals Industry, 2020 , 52(12) : 12 -16 . DOI: 10.11962/1006-4990.2020-0070
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