Gradient and patterned polymer brushes by photoinitiated “grafting through” approach
Gradient and patterned polymer brushes by photoinitiated “grafting through” approach
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采用光引发“嫁接”方法的渐变和图案聚合物刷
DOI：
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
A. Sidorenko
中科院分区：
文献类型：
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作者：
Timothy P. Enright;Daniel Hagaman;M. Kokoruz;N. Coleman;A. Sidorenko
在聚合物刷领域的20多年的积极研究已经揭示了对栓系聚合物的合成、性质和应用的不同方面的持续和增长的兴趣。在这篇文章中，我们报告了我们最近的进展刷合成。我们探索的方法是基于“接枝通过”方法与功能锚定聚合物层技术的结合。我们介绍了光引发的'版本'的聚丙烯酰胺刷的合成。均质沉积和横向解决梯度和图案化的样品已通过这种技术制备。平坦的聚合物刷，即厚度，稳定性和接触角的结果，是互补的动力学参数推导出的梯度样品通过滑动掩模的方法获得的分析。一个显微阴影掩模被用来制造图案化的刷子。显微图案化的刷子表现出受光学现象限制的高横向分辨率。最后，我们在平面和图案刷上进行了神经细胞活力测定。聚丙烯酰胺光刷上的细胞粘附的充分抑制和刷组分（聚合物刷本身、锚定层）的非常低的细胞毒性使得光移植成为控制细胞沉积和表面定位的有希望的平台。Wiley Periodicals，Inc.聚合物科学杂志B部分：聚合物物理48：1616-1622，2010
More than 2 decades of active investigations in the field of polymer brushes have revealed continuous and grow- ing interest in different aspects of synthesis, properties, and applications of tethered polymers. In this article, we report on our recent advances in brush synthesis. The method we explore is based on the combination of 'grafting through' approach with the functional anchoring polymer layer tech- nique. We introduce the photoinitiated 'version' of synthesis of polyacrylamide brushes. Both homogeneous depositions and laterally resolved gradient and patterned samples have been prepared by this technique. The results for flat polymer brushes, that is, thickness, stability, and contact angles, are complimented by kinetic parameters as deducted from analysis of gradient samples obtained by the method of a sliding mask. A microscopic shadow mask is used to fabricate patterned brushes. The microscopically patterned brushes demonstrate high lateral resolution limited by optical phenomena. Finally, we have performed a viability assaying of neuronal cell on both flat and patterned brushes. Sufficient restraint of cell ad- hesion on polyacrylamide photobrushes and very low cytotox- icity of the brush components (polymer brush itself, anchoring layer) make photografting a promising platform to control cell deposition and surface localization. V C 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 1616-1622, 2010
影响因子：
6.2
作者：
J. E. Raynor;T. Petrie;K. Fears;R. Latour;Andrés J. García;D. Collard
通讯作者：
J. E. Raynor;T. Petrie;K. Fears;R. Latour;Andrés J. García;D. Collard