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Related Concept Videos

Redox Reactions01:24

Redox Reactions

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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

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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

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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...
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Synthesis and Decomposition Reactions02:17

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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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Redox Titration: Overview01:21

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Redox titration is a chemical analysis technique used to determine the concentration of an unknown substance by measuring the electron transfer in a redox (reduction-oxidation) reaction. The process involves gradually adding a titrant with a known concentration of an oxidizing or reducing agent, to the analyte, the solution with an unknown concentration, until reaching the endpoint, which indicates the completion of the reaction between the two substances. Ensuring the analyte is in a single...
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Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or redox reactions. These important reactions are defined by changes in oxidation states for one or more reactant elements and include a subset of reactions involving the transfer of electrons between reactant species. Electrochemistry as a field has evolved to yield sufficient insights on the fundamental principles of redox chemistry and multiple...
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Redox active gels: synthesis, structures and applications.

Xiaofeng Sui1, Xueling Feng, Mark A Hempenius

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|April 9, 2020
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This summary is machine-generated.

Redox-responsive polymers with attached components like ferrocenes and disulfide bonds show tunable properties. These advanced materials offer reversible changes in shape, color, and solubility, enabling new applications.

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Area of Science:

  • Polymer Chemistry
  • Materials Science

Background:

  • Significant advances in redox-responsive polymers have emerged recently.
  • These polymers incorporate redox-responsive components covalently attached to the polymer backbone.

Purpose of the Study:

  • To review major developments in redox-responsive polymers.
  • To highlight key redox-responsive components and their applications.

Main Methods:

  • Review of literature on redox-responsive polymers.
  • Focus on polymers with pending or crosslinking redox-responsive groups.

Main Results:

  • Ferrocenes, conjugated polymers, tetrathiafulvalene, transition metal ions, and disulfide bonds are key components.
  • Responsive gels exhibit tunable shapes, color, and solubility.
  • Sol-to-gel transitions are controllable via redox stimuli.

Conclusions:

  • Redox-responsive polymers offer versatile platforms for stimuli-responsive materials.
  • The ability to tune properties via redox stimuli opens avenues for advanced applications.