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Related Concept Videos

Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

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Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
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¹³C NMR: ¹H–¹³C Decoupling01:04

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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
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The Carbon Cycle01:14

The Carbon Cycle

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Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
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Phase Diagrams02:39

Phase Diagrams

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A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
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Physical Properties Affecting Solubility02:19

Physical Properties Affecting Solubility

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Solutions of Gases in Liquids
As for any solution, the solubility of a gas in a liquid is affected by the attractive intermolecular forces between solute and solvent species. Unlike solid and liquid solutes, however, there is no solute-solute intermolecular attraction to overcome when a gaseous solute dissolves in a liquid solvent since the atoms or molecules comprising a gas are far separated and experience negligible interactions. Consequently, solute-solvent interactions are the sole...
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Carbon Dioxide Transport in the Blood01:19

Carbon Dioxide Transport in the Blood

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Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
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Related Experiment Video

Updated: Aug 8, 2025

Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture
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Single atom solutions for carbon dioxide capture.

Chen Zhang1, Chenyang Zhou1, Yuan Li1

  • 1School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China.

The Journal of Chemical Physics
|March 1, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed novel single atom solutions to enhance chemical reactions and carbon dioxide capture. These solutions offer near-zero energy consumption by harvesting waste heat, generating up to 2.12 V.

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Electrochemistry

Background:

  • Developing new solvents is crucial for improving reaction rates and lowering energy barriers.
  • Traditional solvent development methods have reached limitations.
  • A novel approach using single atoms within solvents is proposed for a breakthrough.

Purpose of the Study:

  • To design and investigate single atom solutions as novel absorbents.
  • To explore their application in enhancing chemical reactions, specifically carbon dioxide capture.
  • To analyze their potential for energy harvesting from waste heat.

Main Methods:

  • Preparation and characterization of eight types of single atom solutions.
  • Experimental validation of single atom presence and charge-producing effects.
  • Development and application of a density functional theory model for microscale analysis.

Main Results:

  • Single atom solutions demonstrated effective charge-producing properties.
  • Application in carbon dioxide capture showed intensified CO2 desorption rates due to a controlled energy barrier.
  • Generated a maximum voltage of 2.12 V, enabling near-zero energy consumption.

Conclusions:

  • Single atom solutions represent a breakthrough in absorbent technology.
  • They offer a promising pathway for efficient carbon dioxide capture and waste heat energy harvesting.
  • The technology contributes to sustainable energy solutions with minimal energy input.