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Related Concept Videos

Electron Transport Chain Components01:29

Electron Transport Chain Components

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The electron transport chain (ETC) is a crucial metabolic pathway that facilitates energy conversion in prokaryotic and eukaryotic cells. In eukaryotes, the ETC comprises four membrane-associated protein complexes in the inner mitochondrial membrane. In prokaryotes, the ETC in the plasma membrane can vary in composition, with fewer or different complexes depending on the organism and environmental conditions. These complexes transfer electrons from electron donors, such as NADH and FADH2, to...
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Other Glycolytic Pathways01:24

Other Glycolytic Pathways

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The pentose phosphate pathway (PPP) operates in parallel with glycolysis, facilitating the metabolism of both pentoses and glucose. This pathway consists of two distinct phases: the oxidative and non-oxidative phases. While it does not directly generate ATP, the intermediates formed during the process can integrate into glycolysis, contributing to cellular energy metabolism when required.Oxidative Phase: NADPH ProductionThe oxidative phase of the pentose phosphate pathway is primarily...
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ATP Synthase: Mechanism01:48

ATP Synthase: Mechanism

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In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
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Electron Transport Chains01:28

Electron Transport Chains

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The final stage of cellular respiration is oxidative phosphorylation that consists of two steps: the electron transport chain and chemiosmosis. The electron transport chain is a set of proteins found in the inner mitochondrial membrane in eukaryotic cells. Its primary function is to establish a proton gradient that can be used during chemiosmosis to produce ATP and generate electron carriers, such as NAD+ and FAD, that are used in glycolysis and the citric acid cycle.
The ETC is comprised of...
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Chemiosmosis and ATP Synthesis01:22

Chemiosmosis and ATP Synthesis

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The electron transport chain is a critical component of cellular respiration, occurring in the inner mitochondrial membrane. It facilitates the transfer of high-energy electrons from reduced cofactors NADH and FADH₂ to molecular oxygen, the final electron acceptor. This transfer of electrons through a series of protein complexes is tightly coupled to the translocation of protons across the membrane, generating a proton gradient essential for ATP synthesis.Electron Flow and Proton...
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Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
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Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors
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Versatile Tools for Understanding Electrosynthetic Mechanisms.

Eric C R McKenzie1, Seyyedamirhossein Hosseini2, Ana G Couto Petro1

  • 1Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States.

Chemical Reviews
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Electrosynthesis offers a green alternative to traditional organic synthesis. This review details analytical techniques for understanding electrosynthesis mechanisms, crucial for optimizing green chemistry processes.

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Area of Science:

  • Green chemistry and sustainable synthesis.
  • Organic electrosynthesis.
  • Analytical chemistry.

Background:

  • Electrosynthesis is an environmentally friendly synthetic route.
  • Understanding reaction mechanisms is key to optimizing electrosynthesis.
  • Various analytical tools are available for product and intermediate analysis.

Purpose of the Study:

  • To provide a guide to electrosynthesis fundamentals.
  • To detail analytical techniques for mechanism elucidation.
  • To discuss future prospects in electrosynthesis.

Main Methods:

  • Review of electrosynthesis instrumentation, electrode selection, electrolyte/solvent effects, cell configuration, and methods.
  • Detailed coverage of analytical techniques: electrochemical, spectroscopic, chromatographic, microscopic, and computational.
  • Emphasis on selecting appropriate techniques based on reaction pathways and intermediates.

Main Results:

  • A comprehensive overview of electrosynthesis principles.
  • Categorization and explanation of diverse analytical methods for mechanistic studies.
  • Highlighting the necessity of combined techniques for accurate mechanistic modeling.

Conclusions:

  • Electrosynthesis is a viable green synthetic approach.
  • Analytical techniques are essential for understanding and optimizing electrosynthesis.
  • Future advancements will further enhance the field of electrosynthesis.