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Redox Reactions01:24

Redox Reactions

57.5K
Oxidation-reduction or redox reactions involve the transfer of electrons from one molecule or atom to another. When an atom gains an electron, another atom must lose an electron, meaning oxidation and reduction must occur together. Since the redox occurs in pairs, the atom that gets oxidized is also called the reducing agent or reductant, and the atom that is reduced is also called the oxidizing agent or oxidant. A straightforward way to remember the definitions of oxidation and reduction is...
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Redox Reactions01:27

Redox Reactions

489
Redox reactions are vital biochemical processes that underpin energy metabolism in cells. These reactions involve the transfer of electrons between molecules, occurring in tandem as oxidation and reduction. Oxidation refers to the loss of electrons, while reduction denotes their gain. This coupling ensures the seamless flow of electrons through metabolic pathways. For example, in bacterial metabolism, glucose undergoes oxidation to carbon dioxide, while oxygen is simultaneously reduced to...
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Redox Equilibria: Overview01:23

Redox Equilibria: Overview

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A reduction-oxidation reaction is commonly called a redox reaction. In a redox reaction, electrons are transferred from one species to another rather than being shared between or among atoms. The reducing agent or reductant is the species that loses electrons and gets oxidized in the process. The species that gains electrons and gets reduced in the process is the oxidizing agent or oxidant. Redox reactions are represented as two separate equations called half-reactions, where one equation...
1.3K
Synthesis and Decomposition Reactions02:17

Synthesis and Decomposition Reactions

37.3K
Synthesis and decomposition are two types of redox reactions. Synthesis means to make something, whereas decomposition means to break something. The reactions are accompanied by chemical and energy changes. 
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Ladder Diagrams: Redox Equilibria01:30

Ladder Diagrams: Redox Equilibria

610
Ladder diagrams are useful tools for understanding redox equilibrium reactions, especially the effects of concentration changes on the electrochemical potential of the reaction. The vertical axis in the redox ladder diagrams represents the electrochemical potential, E. The area of predominance is demarcated using the Nernst equation.
Consider the Fe3+/Fe2+ half-reaction, which has a standard-state potential of +0.771 V. At potentials more positive than +0.771 V, Fe3+ predominates, whereas Fe2+...
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Oxidation-Reduction Reactions03:11

Oxidation-Reduction Reactions

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Oxidation–Reduction Reactions
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Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls
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レドックス反応性,再構成可能な全液体構造

Huilou Sun1, Mingwei Li1, Lianshun Li1

  • 1Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.

Journal of the American Chemical Society
|March 3, 2021
PubMed
まとめ
この要約は機械生成です。

研究者らは,液体構造に自己組み立てられる新種のリドックス反応性ナノ粒子表面活性剤を開発した. このスマート素材は,反応性のある配送および反応システムにおけるアプリケーションのための液体アセンブリの制御を可能にします.

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An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
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A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
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科学分野:

  • 超分子化学
  • 材料科学
  • ナノテクノロジー

背景:

  • ホスト・ゲストの化学反応により 複雑な分子組成ができます
  • レスポンシブ素材は,発送と触媒の高度なアプリケーションに不可欠です.
  • 液体の構造をインターフェイスで制御することは 材料科学の重要な課題です

研究 の 目的:

  • 新しい超分子ナノ粒子表面活性剤 (s-NPS) を導入する.
  • s-NPSを用いた液体の構造化に関する in situ の可逆制御を実証する.
  • プログラム可能な液体装置の 可能性を探求する

主な方法:

  • ホスト・ゲストの化学反応を二相システムで利用した.
  • レドックス反応性組立と解体を示すエンジニアリングされたs-NPS.
  • スイッチ可能なリドックス条件下でのs-NPSのインターフェイスの振る舞いを調査した.

主要な成果:

  • オイル・ウォーター・インターフェイスで s-NPS の反転可能なインサイト組立/遮断と解体/解き放出を達成した.
  • すべての長さのスケールでアセンブリに影響を与えるナノスケールのリドックス反応性を実証した.
  • 構造化エムルションやプログラム可能な液体装置を含む"スマート"全液体コンストラクションを成功裏に準備した.

結論:

  • 開発されたs-NPSは,ナノスケールのリドックス制御で液体を構造化するための新しいアプローチを提供します.
  • これらの発見は,反応性のある配送,放出,反応システムの有望な応用を示しています.
  • 液体構造をプログラムする能力は 材料設計の新たな道を開きます