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将不同形态和大小的细菌制成高、低两种浓度的细菌悬液,用不同孔径和结构的聚碳酸酯筛型滤膜(核孔膜)和纤维素酯深筒滤膜过滤,测定特定类型微生物通过滤膜的能力和滤集菌量。实验选用单核细胞增多性李斯特菌、肠炎沙门氏菌、致病性大肠杆菌、金黄色葡萄
Bacteria of different morphologies and sizes were made into bacterial suspension of high and low concentration, filtered through polycarbonate membrane with different pore size and structure (nuclear pore membrane) and cellulose ester depth filter, The ability of the type of microorganisms to pass through the filter and the amount of bacteria collected. Listeria monocytogenes, Salmonella enteritidis, pathogenic Escherichia coli, golden yellow grape