Collaborative Research: CDI-Type I: Developing Computational Models to Guide the Design of Chemomechanically Responsive, Reconfigurable Surfaces

合作研究：CDI-I 型：开发计算模型来指导化学机械响应、可重构表面的设计

• 批准号: 1124839
• 负责人: Joanna Aizenberg
• 金额: $ 45.46万
• 依托单位: Harvard University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-09-01 至 2015-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1124839&HistoricalAwards=false
• 关键词: Collaborative; Research; CDI; Type; Developing

The goal of this grant is to advance the fundamental understanding of a new class of dynamically reconfigurable surfaces that interconvert chemical and mechanical energy and thereby, exhibit unprecedented adaptive and self-regulating behavior. The research team plans to focus on systems of nano- and micro-scale pillars embedded in stimuli-responsive gels and harness various external stimuli to trigger reversible changes in the gels, which will power the concerted movement of the embedded structures and the associated, "programmable" changes in surface properties. To guide the experiments, the PIs will explore new computational approaches that seamlessly integrate the dynamic behavior of the responsive gels, a range of external stimuli, the embedded pillars, and the molecular components that decorate the pillars and gels. Through collaborative efforts, the PIs will establish a conceptual and theoretical basis for an emerging field of adaptive mechanochemistry.If successful, the combined experimental and computational studies will facilitate the fundamental understanding of mechanochemical signal transduction and the complex, multi-scale "outputs" of these adaptive systems. Through this collaborative research, the PIs will establish a new framework for the design of adaptive materials in which external stimuli can be used to elicit coupled chemical and mechanical responses and their feedback loops. The students involved in the project will participate in high-school events to speak with underrepresented minority students and create a high-school experimentation tool in order to motivate them toward higher education in the physical sciences. The PIs and participating students will be engaged in general public activities, giving lectures and volunteering at the local Science Museum; the PIs also plan to organize a symposium on "Modeling and Synthesis of Soft Dynamic Biomimetic Materials" at a national meeting.

这项资助的目标是推进对一类新的动态可重构表面的基本理解，这些表面可以相互转换化学能和机械能，从而表现出前所未有的自适应和自我调节行为。研究小组计划将重点放在嵌入刺激响应凝胶中的纳米和微尺度支柱系统上，并利用各种外部刺激来触发凝胶中的可逆变化，这将为嵌入结构的协调运动提供动力，以及相关的表面特性的“可编程”变化。为了指导实验，pi将探索新的计算方法，无缝集成响应凝胶的动态行为、一系列外部刺激、嵌入柱以及装饰柱和凝胶的分子成分。通过合作努力，pi将为适应性机械化学这一新兴领域建立概念和理论基础。如果成功的话，结合实验和计算的研究将促进对机械化学信号转导和这些自适应系统的复杂、多尺度“输出”的基本理解。通过这项合作研究，pi将为自适应材料的设计建立一个新的框架，在这个框架中，外部刺激可以用来引发耦合的化学和机械反应及其反馈回路。参与该项目的学生将参加高中活动，与未被充分代表的少数民族学生交谈，并创建一个高中实验工具，以激励他们接受物理科学的高等教育。pi和参与的学生将参与一般的公众活动，讲座和在当地科学馆做志愿者；pi还计划在全国会议上组织一次“软动力仿生材料的建模与合成”研讨会。