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In order to know the antibacterial efficacy of the antibacterial stainless steel, bacteriostasis test method and transmission electronmicroscopy were used to carry out observation.

为了解抗菌不锈钢的抗菌效果,采用抑菌试验方法和透射电镜进行了观察。

According to study on UV-Vis opitical property、qualitative antibacterial experiment 、quantitative antibacterial experiment of anatase nano-TiO_2 and antibacterial powder (adulterated by Ag ion and Ce ion) we turned out that antibacterial powder's diffuse reflection spectrum obviously Einstein shift which makes it can absorb more visible-light. Not only irradiated by UV-light but also irradiated by visible-light antibacterial powder both possess photocatalytic capability, which brought new functions that improve latex's quality.

通过对锐钛型纳米二氧化钛和抗菌粉等光催化纳米材料的UV-Vis光学分析、定性抗菌试验、定量抗菌试验的研究表明,复合掺杂银、铈等稀土离子的锐钛型纳米二氧化钛,其UV-Vis漫反射光谱明显红移,大大加强了它对可见光的吸收能力,因此除了在紫外光为光源的条件下具备光催化能力,在普通光源条件下也具备光催化能力。

Through Disc diffusion method,we finally selected 8 strains against Banana Fusarium wilt disease No.4 race.

通过纸片扩散法,从这139株拮抗放线菌菌株中,最终筛选对香蕉枯萎病生理小种4号具有拮抗作用的8个菌株。

The result shows that 4.1-6.5 kDa antibacterial substances separated from the crude extract described above could efficiently kill Gram-positive bacteria (Staphylococcus aureus, Bacillus subtilis and Micrococcus luteus), but no any activity for Gram--negative bacteria or fungi.

可产生出分子量在4.1-6.5KD之间的抗菌物质,这些抗菌物质对革兰氏阳性菌(金黄色葡萄球菌、藤黄微球菌及枯草芽孢杆菌)有广泛的抗性,而对革兰氏阴性菌和真菌没有抗性。

The preparation of safe, highly efficient, and broad spectrum antimicrobial pledget by combining the inorganic nanometer antimicrobial with cotton fibre is significant and has a wide market prospect.

介绍了无机纳米抗菌剂的杀菌机制,其相对于传统的抗菌剂具有优良的综合品质,指出使其与医用纱布进行复合以制备安全、高效、广谱的抗菌纱布将具有广阔的市场前景。

In order to develop antibacterial peptide biologics for prevention and control of endometritis of dairy cow,a pair of primers was designed and synthesized according to the sequence of bovine antibacterial peptide gene published in GenBank.The total RNA was purified from the dairy cow endometrial cells with the Total RNA Isolation Kit.

为研发防治乳牛子宫内膜炎的抗菌肽生物制剂,根据已发表的牛抗菌肽基因序列设计了1对引物,用试剂盒提取乳牛新鲜子宫内膜总RNA,经RT-PCR扩增,将克隆的抗菌肽BNBD5基因全长编码区的cDNA连接到原核表达载体pET30a中,经IPTG诱导原核表达,通过Western-blot检测融合蛋白BNBD5的表达水平。

From the screened bacteria, 102 entophytic bacterial strains were isolated from the leaves of mangrove in Hainan province, of which 2 strains were found having ability inhibiting the growth of Fusarium oxysporum Schlecht.

从海南红树林健康叶片中分离到102株非致病性内生细菌菌株,通过室内抗菌活性的测定,得到了2株对枯萎病尖镰孢菌具有明显抑制作用的拮抗菌株。

The antibiosis of Agricultural Antibiotic 120 (AA120), a product of Streptomyces hygrospinosus var. beijingensis, on Pellicularia sasakii was observed with the plate culture method.

采用平板培养法测定农抗120对水稻纹桔菌的抗生试验结果,表明农抗120对水稻纹枯病菌的抗生作用为抑制菌丝生长,使菌丝畸变。

Based on phenotypical and biochemical properties as well as its 16S rRNA gene sequence, the bacterium was identified as Paenibacillus polymyxa. In vitro antifungal spectrum assay vindicate that it was active against a broad range of phytopathogens and inhibited the growth of thirteen fungal pathogens.

采用对峙培养法筛选拮抗内生细菌,根据菌株形态、生理生化特性结合16S rRNA基因序列分析鉴定菌株;采用硫酸铵沉淀法提取抗菌粗蛋白,研究其对水稻恶苗病菌菌丝生长和孢子萌发的影响。

This part consists of two stages. In the first stage, orthogonal tests are carried out between developed efficient composite antimicrobals FB-1, FB-2 and selected coatings. Experiments indicate the optimum recipe TUB is built by FB-2 and coating. In the second stage, the effect of built antisepsis algicide coatings is tested. Furthermore, static test indicates the effect of TUB is significant. So, it posses wide spread application value.

本部分试验共分为两个阶段,第一阶段将研制出的高效复合抗菌灭藻剂FB—1、FB—2与所选涂料进行配比试验,结果表明FB—2与涂料复配出了最优的抗菌藻涂料配方TUB;第二阶段是对复配出的抗菌藻涂料进行效果验证,静态试验表明TUB效果显著,具有极广的应用价值。

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