Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Molecular Weight of Step-Growth Polymers01:08

Molecular Weight of Step-Growth Polymers

Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
Bending of Members Made of Several Materials01:11

Bending of Members Made of Several Materials

In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Design Example: Distributing Reinforcements in Concrete Sections01:22

Design Example: Distributing Reinforcements in Concrete Sections

The topic explores the practical aspects of adjusting steel reinforcements within a concrete beam section to meet specific design requirements. When designing a reinforced concrete beam, it is essential to distribute the steel reinforcements properly to ensure structural integrity and efficiency. The example provided details a scenario where a beam requires a total steel cross-section of 4 square inches. The engineer identifies that the available steel bars have a nominal diameter of 1.693...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

The challenge of evidence-based practice for learning disabilities.

British journal of nursing (Mark Allen Publishing)·2002
Same author

Single-crystalline nanowires of Ag(2)Se can be synthesized by templating against nanowires of trigonal Se.

Journal of the American Chemical Society·2001
Same author

Behaviour modification and gentle teaching workshops: management of children with learning disabilities exhibiting challenging behaviour and implications for learning disability nursing.

Journal of advanced nursing·2001
Same author

Immunizing the world.

Newsweek·2001
Same author

Self-injurious behaviour: reviewing evidence for best practice.

British journal of nursing (Mark Allen Publishing)·2000
Same author

Will Frankenfood feed the world?

Time·2000

相关实验视频

Updated: Jul 16, 2026

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets
13:42

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Published on: November 2, 2011

模板辅助自组装:一种实用的途径,以获得具有明确尺寸,形状和结构的单分散合物的复杂聚合物.

Y Yin1, Y Lu, B Gates

  • 1Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, USA.

Journal of the American Chemical Society
|September 6, 2001
PubMed
概括

研究人员开发了一种新的方法,使用物理模板和毛细血管力来精确地将体颗粒组装成复杂的结构. 该技术允许对先进的材料应用进行可控的各种形状的创建.

科学领域:

  • 合体和表面科学科学
  • 材料科学 材料科学 材料科学
  • 纳米技术 纳米技术

背景情况:

  • 合体自我组装对于创建先进材料至关重要.
  • 控制合体聚合物的尺寸,形状和结构仍然是一个挑战.

研究的目的:

  • 提出将单分散球体合物组装成均聚合物的策略.
  • 用物理模板和毛细血管力来证明对聚合物大小,形状和结构的控制.

主要方法:

  • 从一个有图案的固体表面,从合物颗粒的水性分散物中排水.
  • 利用浮雕结构中的几何限制来捕捉和组装颗粒.
  • 使用聚钢珠和化 (>=150 nm) 进行组装.

主要成果:

  • 成功地将合物组装成多边形集群,链条和环.
  • 创建模仿分子结构 (例如,HF,H2O) 的混合聚合物,使用各种珠和染料.
  • 通过模板设计来证明对总体形态的控制.

结论:

  • 物理模板和毛细血管力策略可以精确控制合体聚合物形成.
  • 这些可调节的合体聚合物作为模型系统用于研究水力动力学和光学特性.

更多相关视频

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
09:37

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness
11:09

Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness

Published on: April 1, 2018

相关实验视频

Last Updated: Jul 16, 2026

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets
13:42

Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets

Published on: November 2, 2011

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
09:37

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness
11:09

Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness

Published on: April 1, 2018

  • 聚合物是光子学和凝聚物质物理学中等级自我组装的有价值的构建块.