选择硅藻土原土和煅烧硅藻土为载体,通过吸附方法将浓度为20×10-6的cpf抗菌剂负载到硅藻土上获得硅藻土基无机抗菌材料.采用扫描电镜、氮吸附测比表面积等手段进行表征,考察不同硅藻土的吸附性能,并对无机抗菌材料的抗菌性能进行了大肠杆菌抑菌圈实验研究.结果表明:硅藻土可以很好地吸附抗菌剂,硅藻土原土的最大负载率可达60.79％,煅烧硅藻土的负载率为24.78％,硅藻土原土的吸附效果明显优于煅烧硅藻土,这主要是由硅藻土不同的孔结构所导致.所制备新型硅藻土基无机抗菌材料具有较强的抗菌性能且持久长效,其抑菌圈尺寸均在20mm以上.
参考文献
| [1] | Nelson,JM;Chiller,TM;Powers,JH;Angulo,FJ.Fluoroquinolone-resistant Campylobacter species and the withdrawal of fluoroquinolones from use in poultry: a public health success story.[J].Clinical infectious diseases,20077(7):977-980. |
| [2] | Guan Y;Qian L;Xiao H;Zheng A.Preparation of novel antimicrobial-modified starch and its adsorption on cellulose fibers: Part I. Optimization of synthetic conditions and antimicrobial activities[J].Cellulose,20084(4):609-618. |
| [3] | 丁士文;张兴威;王利勇;张永芬.乳液浸渍法制备纳米TiO2/硅藻土复合材料[J].材料工程,2008(10):50-52,59. |
| [4] | H. Hadjar;B. Hamdi;C.O. Ania.Adsorption of p-cresol on novel diatomite/carbon composites[J].Journal of hazardous materials,20111/3(1/3):304-310. |
| [5] | M.A.M. Khraisheh;M.A. Al-Ghouti;S.J. Allen;M.N. Ahmad.Effect of OH and silanol groups in the removal of dyes from aqueous solution using diatomite[J].Water research: A journal of the international water association,20055(5):922-932. |
| [6] | Bulent Yilmaz;Nezahat Ediz.The use of raw and calcined diatomite in cement production[J].Cement & concrete composites,20083(3):202-211. |
| [7] | Nezahat Ediz;Ismail Bentli;Ilknur Tatar.Improvement in filtration characteristics of diatomite by calcination[J].International Journal of Mineral Processing,20103/4(3/4):129-134. |
| [8] | P.Crossley;A.Editor.Clarifying matters world diatomite reviewed[J].Industrial Minerals,2000390(390):119-141. |
| [9] | Y.al-Degs;M.A.M.Khraisheh;M.F.tutunji.Sorption of lead ions on diatomite and manganese oxides modified diatomite[J].Water research: A journal of the international water association,200115(15):3724-3728. |
| [10] | Majeda A.M.Khraisheh;Yahya S.Al-degs;Wendy A.M.Mcminn.Remediation of wastewater containing heavy metals using raw and modified diatomite[J].Chemical Engineering Journal,20042(2):177-184. |
| [11] | 叶瑛;周玉航;夏枚生;胡彩虹;凌洪飞.新型无机抗菌材料：载铜蒙脱石及其抗菌机理讨论[J].无机材料学报,2003(3):569-574. |
| [12] | Jeon HJ;Yi SC;Oh SG.Preparation and antibacterial effects of Ag-SiO(2) thin films by sol-gel method.[J].Biomaterials,200327(27):4921-4928. |
| [13] | Suyal G..Bimetallic colloids of silver and copper in thin films: sol-gel synthesis and characterization[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,20031/2(1/2):53-61. |
| [14] | Yong Guan;Huining Xiao;Heather Sullivan.Antimicrobial-modified sulfite pulps prepared by in situ copolymerization[J].Carbohydrate Polymers: Scientific and Technological Aspects of Industrially Important Polysaccharides,20074(4):688-696. |
| [15] | 张旭;李殿超;王安平;于洪林.吉林露水河硅藻土在煅烧中的结构及性能的变化[J].世界地质,2003(4):376-379. |
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