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Bridging the Bio-Electronic Interface with Biofabrication
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具有化学-机械-化学自我调节的合成恒温材料
Ximin He1, Michael Aizenberg, Olga Kuksenok
1School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.
Nature
|July 13, 2012
概括
科学家们使用一种新的化学-机械-化学反系统开发了自我调节,自我供电的恒温材料. 这些适应性的材料可以保持特定的参数,如温度,自主,模仿生物系统.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 生物模拟学是一种生物模拟学.
背景情况:
- 生物体表现出非凡的恒温,通过复杂的反循环保持稳定的内部环境.
- 合成材料通常缺乏自我监测和自我调节,限制了它们的功能.
- 具有恒温功能的自主材料可以彻底改变医学和能源管理等领域.
研究的目的:
- 设计和演示一种多功能策略,用于创建自我调节,自动供电的恒温材料.
- 在纳米或微观尺度上设计精确的化学-机械-化学反循环.
- 开发能够在狭窄范围内保持用户定义的参数的自主系统.
主要方法:
- 设计了一种由凝支的微结构和营养层组成的双层系统.
- 刺激诱导的凝重构控制的微观结构的启动,作为一个反应的开/关开关.
- 外热催化反应和对温度有反应的凝创造了自主调节的反循环.
主要成果:
- 证明有机,无机和生物化学反应的可逆,可重复的循环与微观结构运动同步.
- 成功创建了自主恒温系统,可以在狭窄范围内保持用户定义的温度.
- 计算建模验证了实验结果,并提供了优化标准.
结论:
- 提出的战略允许创建可定制的,自动供电的恒温材料,具有可调的机制和化学成分.
- 这种方法促进了化学-机械-化学转导,为先进的自主系统铺平了道路.
- 这些发现对智能材料,医疗植入物以及其他领域的应用具有重大潜力.
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