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相关概念视频

ATP Driven Pumps II: P-type Pumps01:34

ATP Driven Pumps II: P-type Pumps

6.4K
The P-type pumps are a large family of integral membrane transporter ATPases. They are divided into five major types based on substrate specificity, from I to V.
A typical P-type pump has three cytosolic domains: nucleotide-binding (N), phosphorylation (P), and activator (A) domains. These domains are connected to the membrane-spanning helices by short amino acid segments. ATP hydrolysis and covalent phosphoenzyme intermediate formation are crucial parts of the catalytic cycle. At the highly...
6.4K
ATP Driven Pumps III: V-type Pumps01:30

ATP Driven Pumps III: V-type Pumps

4.8K
V-type pumps are ATP-driven pumps found in the vacuolar membranes of plants, yeast, endosomal and lysosomal membranes of animal cells, plasma membranes of a few specialized eukaryotic cells, and some prokaryotes. They are also known as the V1Vo-ATPase, that couple ATP hydrolysis to transport protons against a concentration gradient.
The peripheral or cytosolic V1 domain with eight subunits is involved in ATP hydrolysis. The integral or transmembrane V0 domain containing at least five subunits...
4.8K
ATP Driven Pumps I: An Overview01:27

ATP Driven Pumps I: An Overview

9.8K
ATP-driven pumps, also known as transport ATPases, are integral membrane proteins. They have binding sites for ATP located on the membrane's cytosolic side and the ion-conducting domain in the transmembrane region. These pumps use the free energy released from ATP hydrolysis to move the solutes across cell membranes against an electrochemical gradient.
There are four main types of ATP-driven pumps - P-type, V-type, F-type, and ABC transporter. All these pumps are of varying complexities and...
9.8K
Schottky Barrier Diode01:27

Schottky Barrier Diode

1.0K
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
1.0K
Common Ion Effect03:24

Common Ion Effect

46.4K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
46.4K
Precipitation of Ions03:11

Precipitation of Ions

30.3K
Predicting Precipitation
The equation that describes the equilibrium between solid calcium carbonate and its solvated ions is:
30.3K

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相关实验视频

Updated: Jan 30, 2026

Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy
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Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy

Published on: October 23, 2018

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对于高效的光驱离子的Schottky交叉路口工程异构结构.

Hangjian Zhou1, Jianwei He1, Xuejiang Li1

  • 1Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, P. R. China.

ACS applied materials & interfaces
|January 28, 2026
PubMed
概括
此摘要是机器生成的。

工程师开发了一种使用碳化物和碳纳米管的新膜,以改进用于太阳能的人工光驱动离子. 这种设计显著提高了离子传输效率和输出功率.

关键词:
斯科特基十字路口是斯科特基十字路口.碳化物 碳化物离子是一种离子.离子运输 离子运输 离子运输光驱动的光驱动的驱动.

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Light-driven Enzymatic Decarboxylation
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Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction
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Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction

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相关实验视频

Last Updated: Jan 30, 2026

Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy
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Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy

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Light-driven Enzymatic Decarboxylation
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Light-driven Enzymatic Decarboxylation

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Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction
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Engineering and Characterization of an Optogenetic Model of the Human Neuromuscular Junction

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术 纳米技术
  • 摄影化学的使用.

背景情况:

  • 人工光驱动的离子对于收集太阳能至关重要.
  • 光活性材料中的载体重组限制了它们的效率.
  • 需要新的复合材料来克服这些局限性.

研究的目的:

  • 设计一个复合膜,以提高光驱离子中的电荷分离.
  • 为了利用Schottky结工程来改善离子传输.
  • 为了提高太阳能转换系统的性能.

主要方法:

  • 碳化物-碳纳米管复合膜的制造.
  • 整合了一个用于电荷分离的 Schottky 接口连接点.
  • 在照明下对离子动性能的描述.

主要成果:

  • 复合膜证明了对光诱导电荷重组的有效抑制.
  • 一个显著的内置电场放大了光驱离子传输.
  • 在2000倍的度梯度下实现了异常的离子送.
  • 与同质膜相比,观察到233%的梯度容忍度和293%的输出功率增加.

结论:

  • 施托基交叉工程是高性能光驱离子的可行策略.
  • 开发的复合膜为先进的太阳能转换提供了一个有前途的平台.
  • 这种方法为下一代光电子设备铺平了道路.