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相关概念视频

Combinatorial Gene Control02:33

Combinatorial Gene Control

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Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
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PD Controller: Design01:26

PD Controller: Design

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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
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相关实验视频

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Methods for Performing Crosses in Setaria viridis, a New Model System for the Grasses
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可重新编程的双调节花粉执行器用于几何编码.

Jingyu Deng1, Ze Zhao2, Albar Ahmad1

  • 1School of Materials Science and Engineering, Centre for Cross Economy Global, Nanyang Technological University, 50 Nanyang Drive, Singapore, 637553, Singapore.

Advanced materials (Deerfield Beach, Fla.)
|December 16, 2025
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概括
此摘要是机器生成的。

研究人员使用花粉开发了一种新的双层执行器,该执行器可以被编程并重新编程以进行复杂的形状变化. 这种环保材料提供双层控制,可重复使用10次以上.

关键词:
三维几何加密载体 3D几何加密载体两个层的执行器执行器.双重监管是一种双重监管.自然花粉材料是天然的花粉材料.可以重新编程的重编程性.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物材料工程 生物材料工程
  • 响应式系统 响应式系统

背景情况:

  • 双轴执行器对于智能系统至关重要,但在可扩展,可持续的编程和重新编程方面面临挑战.
  • 现有的执行器在复杂的形状转换时,难以同时控制主动和被动层.

研究的目的:

  • 使用可持续生物材料开发一种具有双层可重编程性的新型双层执行器.
  • 展示复杂的3D形状转换和数据加密功能.

主要方法:

  • 使用数字图案的调色剂 (被动层) 和花粉 (活性层) 制造双层执行器.
  • 通过pH调节花粉层的湿度响应.
  • 使用温和的性工艺进行拆卸和重新编程.

主要成果:

  • 被动层决定了变形方向 (0°到152°的折叠角度).
  • 活跃的花粉层显示可调节的湿度响应 (0.036到0.28厘米-1曲率,1.04到0.15°s-1响应速度).
  • 执行器系统实现了超过10个重编程周期而没有退化,并证明了数据加密.

结论:

  • 一个基于花粉的新型,环保的双层执行器平台提供了前所未有的双层重编程能力.
  • 该系统支持复杂的3D转换和加密数据存储,为下一代响应性材料和智能设备铺平了道路.