Antibacterial nanoparticle monolayers prepared on chemically inert surfaces by cooperative electrostatic adsorption (CELA).

Antibacterial nanoparticle monolayers prepared on chemically inert surfaces by cooperative electrostatic adsorption (CELA).
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DOI:
10.1021/am100045v
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发表时间:
2010-04
影响因子:
9.5
通讯作者:
Grzybowski, Bartosz A.
Grzybowski, Bartosz A.
中科院分区:
材料科学2区
文献类型:
--
作者:
Huda, Sabil;Smoukov, Stoyan K.;Nakanishi, Hideyuki;Kowalczyk, Bartlomiej;Bishop, Kyle;Grzybowski, Bartosz A.

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协同静电吸附(CELA)用于在相对惰性的聚合物,聚丙烯和Tygon上沉积银纳米粒子的单层涂层。用这种方法涂覆的医学相关部件(管、小瓶、注射器)在数周到数月的时间内表现出抗菌性能,涂层在恒定流动条件下保持稳定。涂层的抗菌性能是由于银离子从颗粒中缓慢释放。采用二硫醇沉淀法结合电感耦合等离子体发射光谱仪(ICP-OES)分析,定量了该化合物的释放速度。
Cooperative Electrostatic Adsorption (CELA) is used to deposit monolayer coatings of silver nanoparticles on relatively chemically inert polymers, polypropylene and Tygon. Medically relevant components (tubing, vials, syringes) coated by this method exhibit antibacterial properties over weeks to months with the coatings being stable under constant-flow conditions. Antibacterial properties of the coatings are due to a slow release of Ag+ from the particles. The rate of this release is quantified by the dithiol-precipitation method coupled with Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES) analysis.
DOI: 10.1126/science.1139131
发表时间: 2007-04-13
期刊: SCIENCE
影响因子: 56.9
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