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Related Concept Videos

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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In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
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Energy production within a cell involves many coordinated chemical pathways. Most of these pathways are combinations of oxidation and reduction reactions, which occur at the same time. An oxidation reaction strips an electron from an atom in a compound, and the addition of this electron to another compound is a reduction reaction. Because oxidation and reduction usually occur together, these pairs of reactions are called redox reactions.
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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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The skin redoxome.

S Schalka1, M S Silva1, L F Lopes2

  • 1Medcin Skin Research Center, Osasco, Brazil.

Journal of the European Academy of Dermatology and Venereology : JEADV
|October 31, 2021
PubMed
Summary
This summary is machine-generated.

The skin redoxome, a network of redox reactions, is crucial for maintaining skin health. Understanding its regulation is key to preventing and treating skin disorders caused by redox imbalance.

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Area of Science:

  • Biochemistry
  • Dermatology
  • Cell Biology

Background:

  • The skin is constantly exposed to external agents, necessitating a robust redox signaling framework.
  • Redox reactions and redox-active species (ReAS) form the redoxome, essential for cellular and tissue homeostasis.
  • Dysregulation of the skin redoxome is linked to various skin disorders.

Purpose of the Study:

  • To define the skin redoxome concept.
  • To explore the maintenance and activation of master redox regulators in the skin.
  • To elucidate the role of redox dysregulation in skin disorder pathogenesis.

Main Methods:

  • Literature review
  • Conceptual framework development
  • Analysis of redox regulation pathways in skin

Main Results:

  • The skin possesses a complex redoxome crucial for homeostasis.
  • Master redox regulators are actively maintained and activated under various skin conditions.
  • Impaired redox regulation leads to the accumulation of oxidation products, correlating with skin disorders.

Conclusions:

  • Establishing the skin redoxome concept is vital for advancing dermatological research.
  • Understanding skin redox regulation offers new avenues for preventing and treating skin disorders.
  • The skin redoxome plays a critical role in maintaining skin health and integrity.