Evaluation of bioinspired functional surfaces for nanoparticle filtering

Evaluation of bioinspired functional surfaces for nanoparticle filtering
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用于纳米颗粒过滤的仿生功能表面的评估

DOI:
10.1007/s00542-014-2091-1
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发表时间:
2014
期刊:
Microsystem Technologies
影响因子:
--
通讯作者:
J. Wöllenstein
J. Wöllenstein
中科院分区:
--
文献类型:
--
作者:
S. Busch;M. Ketterer;X. Vinzenz;C. Hoffmann;K. Schmitt;J. Wöllenstein

文献摘要

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我们提出了一种具有生物启发纳米级功能的新型空气纳米颗粒过滤集成装置的开发。潜在的想法是研究粘附表面的原理,例如花粉,作为生物模型,并将这种功能转移到使用功能化微结构表面的技术中。这可能为纳米级空气颗粒提供一种有效的过滤方法,而不受传统过滤器透气性的限制。我们研究了不同花粉种类的结构和生物化学表面特性,以在硅表面实现仿生表面功能。得到的锥形结构尺寸在4 ~ 20 μm之间。根据结构尺寸的不同,可以直接影响表面对气溶胶颗粒的粘附性能。在演示装置中对表面进行了测试,并直观地确定了收集效率。
We present the development of a novel integrated device for airborne nanoparticle filtering with bioinspired nanoscale functionality. The underlying idea is to investigate the principle of adherent surfaces, e.g. pollen, as a biological model and transfer this functionality into a technology using functionalized microstructured surfaces. This might offer an efficient filtering method for nanoscale airborne particles without the limitations in gas permeability of conventional filters. We investigated the different pollen species for their structural and biochemical surface properties to achieve bioinspired surface functionality on silicon surfaces. The resulting conical structures have sizes from 4 to 20 μm. Depending on structure sizes, the adhesive properties of the surfaces towards aerosol particles could be directly influenced. The surfaces were tested in a demonstrator setup and the collection efficiency visually determined.
DOI: --
发表时间: 1980
影响因子: 1.9
作者:
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