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四川大学化工学院褚良银教授课题组在微纳结构化功能材料研究中取得重要进展  

2013-10-10 22:08:13|  分类: 湖北五峰褚氏家谱 |  标签: |举报 |字号 订阅

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http://news.scu.edu.cn/news2012/cdzx/webinfo/2013/10/1379982780776066.htm

         四川大学化工学院褚良银教授课题组在微纳结构化功能材料研究中取得重要进展日前,国际重要学术刊物《自然》子刊《自然·通讯》(Nature Communications,I.F.=10.015)发表了化工学院褚良银教授课题组的研究论文“Nano-structured smart hydrogels with rapid response and high elasticity”(2013, 4: 2226; doi: 10.1038/ncomms3226)。国际同行专家认为,“该论文提出了一种将响应型纳米凝胶作为纳米交联剂制备高拉伸和快速响应型智能水凝胶的崭新方法”,“非常有趣,并将在不同领域具有重要的应用前景”。该论文发表后受到了广泛关注和重视,连续一周成为该杂志阅读最多的10篇论文之一(Top 10 Most-Read Articles)。 
  智能水凝胶又称刺激响应性水凝胶,能够在环境信息变化刺激下极大地改变其性能,在许多应用中发挥着越来越重要的作用。快速响应以及高弹性对于智能水凝胶的应用至关重要。褚良银教授课题组在国际上提出了一种由活性纳米凝胶作为交联剂制备纳米结构化智能水凝胶的新方法。该智能水凝胶由于因其特殊纳米结构而兼具快速响应和高弹性的优点。这种快速响应和高弹性的优点有望提高智能水凝胶的应用性能、扩大水凝胶的应用领域。该研究从材料结构设计到制备表征都在我校完成,四川大学为该论文的唯一通讯单位。
  微纳结构化是提升功能材料性能和拓展其新功能的重要途径。褚良银教授课题组在国际上提出了一种用于可控制备具有特定形状和功能的孔-核型微颗粒的新方法,实现了壳层上具有单个通孔结构的孔-壳型微颗粒的可控制备。该研究为设计和制备用于可控装载/释放、活性物质保护以及微反应等方面的新型微容器开辟了新途径。日前,该研究成果“Hole-shell microparticles from controllably evolved double emulsions”发表在国际知名刊物
Angewandte Chemie International Edition》(I.F.=13.734)上(2013, 52(31): 8084-8087)。该研究工作因其新颖性和重要性而受到了高度重视,国际同行专家认为该论文中的新方法“巧妙”、“有趣”和“令人振奋”,被选为《Angewandte Chemie International Edition》杂志的封面论文(Cover Story)。
  上述研究得到了国家自然科学基金重点项目(21136006)和教育部“长江学者和创新团队发展计划”创新团队资助项目(IRT1163)等项目的资助。

 

Novel Nano-Structured and Micro-Structured Functional Materials Developed by SCU scholars

http://www.scu.edu.cn/en/news/webinfo/2013/10/1379982781507376.htm


            Recently, a paper entitled “Nano-structured smart hydrogels with rapid response and high elasticity” from Prof. Liang-Yin Chu group of School of Chemical Engineering at Sichuan University has been published in Nature Communications (2013, 4: 2226; doi: 10.1038/ncomms3226). The method proposed in this paper has been considered as “A novel approach” and “is very interesting and can potentially find applications in different fields”. The paper has attracted much attention from all over the world, and has been listed as one of Top 10 Most-Read Articles of Nature Communications continuously in a week after the publication. 
 

Smart hydrogels or stimuli-responsive hydrogels are able to dramatically change their volume and other properties in response to environmental stimuli.  Rapid and significant response to environmental stimuli and high elasticity are critical for the versatility of such smart hydrogels.  Prof. Chu group proposed a new method for fabircating smart hydrogels with rapidly responsive and highly stretchable properties by constructing nano-structured architecture with activated nanogels as nano-crosslinkers.  The nano-structured smart hydrogels show very significant and rapid stimuli-responsive characteristics as well as highly elastic properties, due to its nano-scale structure. These nano-structured smart hydrogels will expand the scope of hydrogel applications, and provide ever better performances in their applications. The whole research has been finished in Sichuan University.
 
Nano-structured and micro-structured architectures could efficiently improve the performance of functional materials or even result in novel functions. Prof. Chu group has developed a versatile strategy for fabrication of highly controlled hole-shell microparticles with a hollow core and a single hole, and with simultaneous, independent control of the properties of the core interface.  These microparticles could be utilized as microcontainers for controlled capture/release, microsphere classification/separation, and as microreactors for catalysis and confined reaction.  Their paper entitled “Hole-Shell Microparticles from Controllably Evolved Double Emulsions” has been published in Angewandte Chemie International Edition (2013, 52(31): 8084-8087).  The paper has been highlighted as the Cover Story of Angewandte Chemie International Edition.

            The researches are financially supported the National Natural Science Foundation of China (21136006) and the Program for Changjiang Scholars and Innovative Research Team in University of China (IRT1163).

 

Copyright by Sichuan University

 

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