针对智能双响应纳米飞船的复杂空洞纳米架构的软补丁接口超级组装
Miao Yan1, Tianyi Liu1, Xiaofeng Li2
1Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai 200438, P. R. China.
Journal of the American Chemical Society
|April 12, 2022
概括
研究人员开发了一种"软补丁"组装方法,用于制造复杂的空心纳米飞船. 这种技术可以对纳米粒子组装进行精确控制,从而产生新的功能纳米设备.
科学领域:
- 材料科学
- 纳米技术
- 体科学
背景情况:
- 纳米粒子表面采用异型补丁是材料组装的关键.
- 传统的斑块性合体通常由于斑块对斑块的识别而形成高度对称的结构.
研究的目的:
- 推出一种新的"软补丁"组装概念,用于制造高度不对称的空心纳米航天器.
- 展示对纳米粒子组装和复杂空心纳米结构的精确控制.
主要方法:
- 使用"软补丁"策略进行选择性和定向性的液滴融合.
- 控制液滴聚变区域以精确地决定空心纳米粒子直径.
- 不同的贴片号码,使不同的方向和复杂的空心自组装.
- 在三个非球形纳米粒子上展示曲率选择性增长.
主要成果:
- 成功制造出高度不对称的空心纳米航天器,
- 通过操纵补丁号来实现空洞自组件的复杂性增加.
- 在各种纳米粒子形状上展示了软补丁策略的多功能性.
- 具有双模式响应 (H2O2和近红外光) 的Au核心Ag外纳米太空飞船.
- 与现有材料相比,双模纳米飞船的扩散系数增加了208%.
结论:
- "软补丁"概念为设计材料自组装提供了一个新的范式.
- 这种方法可以制造出以前无法获得的复杂的空心体和功能性纳米设备.
- 开发的纳米航天器显示出有前途的双模式响应行为.
相关概念视频
Protein Complexes with Interchangeable Parts
2.1K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
2.1K
Rocket Propulsion In Empty Space - II
2.9K
The motion of a rocket is governed by the conservation of momentum principle. A rocket's momentum changes by the same amount (with the opposite sign) as the ejected gases. As time goes by, the rocket's mass (which includes the mass of the remaining fuel) continuously decreases, and its velocity increases. Therefore, the principle of conservation of momentum is used to explain the dynamics of a rocket's motion. The ideal rocket equation gives the change in velocity that a rocket...
2.9K
Assembly of Signaling Complexes
4.7K
Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
4.7K
A Single-Component System
69
In the field of chemistry, the terms "component" and "phase" hold significant importance. A component refers to a chemically distinct substance in a system that has specific properties. It is chemically homogeneous, meaning it has the same properties throughout. For example, in a mixture of salt and water, both salt and water are considered separate components because they have different chemical properties.On the other hand, a phase is a form of matter that has a consistent chemical...
69
Mechanical Systems
901
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
901
Electro-mechanical Systems
1.3K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.3K


