高岭石是一种具有止血性能的粘土材料,其止血能力同QuickClot相当,但止血机理不同,与血液接触不会大量产热.纳米银由于表面可以释放银离子,具有抗菌性能,但纳米银容易团聚,与高岭石复合后可以防止团聚.本文用水合肼与高岭石反应,热处理后获得表面具有还原性的水合高岭石,这种水合高岭石可以直接与硝酸银溶液反应,银离子在高岭石表面被还原成纳米银,生成了纳米银/高岭石复合物,纳米银颗粒的尺寸分布在2～25 nm之间,与高岭石的表面结合力较强.纳米银/高岭石复合物可能兼具止血和抗菌性能,在治疗开放性创伤方面具有潜在的应用价值.
参考文献
| [1] | R.F.Bellamy .The causes of death in conventional land warfare:implications for combat casualty care research[J].Military Medicine,1984,149:55-62. |
| [2] | J.L.Sondeen;A.E.Pusateri;V.G.Coppes;C.C.E.Gaddy,J.B.Holcomb .Comparison of 10 different hemostatic dressings in an aortic injury[J].The Journal of Trauma and Acute Care Surgery,2003,54(02):280-285. |
| [3] | H.B.Alam;Z.Chen;A.Jaskille et al.Application of a zeolite hemostatic agent achieves 100 ％ survival in a lethal model of complex groin injury in swine[J].The Journal of Trauma and Acute Care Surgery,2004,56(05):974-983. |
| [4] | F.L.Wright;H.T.Hua;G.Velmahos;D.Thoman,D.Demitriades,P.M.Rhee .Intracorporeal use of the hemostatic agent QuickClot in a coagulopathic patient with combined thoracoabdominal penetrating trauma[J].The Journal of Trauma and Acute Care Surgery,2004,56(01):205-208. |
| [5] | Sarah E.Baker;April M.Sawvel;Nanfeng Zheng .Controlling Bioprocesses with Inorganic Surfaces:Layered Clay Hemostatic Agents[J].Chemistry of Materials: A Publication of the American Chemistry Society,2007(18):4390-4392. |
| [6] | 赵顺平,夏华,张生辉.高岭石/有机插层复合材料的研究进展[J].材料科学与工程学报,2003(04):620-624. |
| [7] | Jiang HQ;Manolache S;Wong ACL;Denes FS .Plasma-enhanced deposition of silver nanoparticles onto polymer and metal surfaces for the generation of antimicrobial characteristics[J].Journal of Applied Polymer Science,2004(3):1411-1422. |
| [8] | 王洪水,乔学亮,王小健,陈建国,熊建裕,曹元成.载银沸石抗菌剂的制备及其抗菌性能[J].材料科学与工程学报,2006(01):40-43. |
| [9] | Thawatchai Maneerung;Seiichi Tokura;Ratana Rujiravanit .Impregnation of silver nanoparticles into bacterial cellulose for antimicrobial wound dressing[J].Carbohydrate Polymers: Scientific and Technological Aspects of Industrially Important Polysaccharides,2008(1):43-51. |
| [10] | Balan L;Malval JP;Schneider R;Burget D .Silver nanoparticles: New synthesis, characterization and photophysical properties[J].Materials Chemistry and Physics,2007(2/3):417-421. |
| [11] | Cabal, B.;Torrecillas, R.;Malpartida, F.;Moya, J.S. .Heterogeneous precipitation of silver nanoparticles on kaolinite plates[J].Nanotechnology,2010(47):475705-1-475705-7. |
| [12] | Patakfalvi R.;Oszko A.;Dekany I. .Synthesis and characterization of silver nanoparticle/kaolinite composites[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2003(1/3):45-54. |
| [13] | Jay-hyun Park;Jai-koo Park;Hee-young Shin .The preparation of Ag/mesoporous silica by direct silver reduction and Ag/functionalized mesoporous silica by in situ formation of adsorbed silver[J].Materials Letters,2007(26):156-159. |
| [14] | Rita Patakfalvi;Imre Dekany .Synthesis and intercalation of silver nanoparticles in kaolinite/DMSO complexes[J].Applied clay science,2004(3/4):149-159. |
| [15] | J.Zhou;W.Zheng;J.F Xu;L.Chen,Y.Li,N.Ma,P.Du.Formation of 0 84nm hydrated kaolinite as an environmentfriendly precursor of kaolinite intercalation[J].Clays and clay minerals |
| [16] | 徐剑锋,梁怡瑛,马宁,陈丽昆,李勇,杜丕一.直接置换插层法0.85nm水合高岭石的制备[J].无机化学学报,2011(06):1121-1127. |
| [17] | Z.Wang;T.Hu;L.Tang;N.Ma,C.Song,G.Han,W.Weng,P.Du .Ag nanoparticle dispersed PbTiO percolative composite thin film with high permittivity[J].Applied Physics Letters,2008,93:222901. |
| [18] | R.Jin;Y.Cao;C.A.Mirkin;K.Kelly,G.C.Schatz,J.Zheng .Photoinduced conversion of silver nanospheres to nanoprisms[J].SCIENCE,2001,294(5548):1901-1903. |
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