Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Enzymes

Enzymes

Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Ag/CdPSe<sub>3</sub> Schottky Junction Photocatalyst for Removal of Antibiotic-Contaminated Water.

Langmuir : the ACS journal of surfaces and colloids·2026

Same author

Emerging porous materials for cell encapsulation.

Chemical Society reviews·2026

Same author

Host-guest adsorption energetics in functionalized UiO-66 nanocrystals for selective VOC sensing.

Dalton transactions (Cambridge, England : 2003)·2026

Same author

A Solid-State Crystallization Strategy for Direct Enzyme Encapsulation in Zr-MOFs: Eliminating Harsh pH and Thermal Requirements of Liquid-Phase Synthesis.

Angewandte Chemie (International ed. in English)·2025

Same author

Biomineralization of Hemoglobin with ZIF-90 under Mild Conditions for Oxygen Sensing Application.

Inorganic chemistry·2025

Same author

Enzyme Surface Residues Direct Encapsulation into Metal-Organic Frameworks for Performance Regulation.

Angewandte Chemie (International ed. in English)·2025

Search research articles

Related Experiment Video

Updated: May 30, 2025

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

Inherent CeO₂ Pore Structure Confined Pd for the Catalytic Performance Regulation.

Yuanyuan An¹, Guoxiu Hao¹, Xinyue Wang¹

¹School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.

ACS Applied Materials & Interfaces

|January 29, 2025

Summary

This summary is machine-generated.

This study synthesized cerium dioxide (CeO2) with an open pore structure, revealing its impact on palladium (Pd) catalyst performance in hydrogenation reactions and industrial applications.

Keywords:

CeO2 confinement effects intrinsic pores selective hydrogenation steric hindrance

More Related Videos

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

Published on: April 10, 2019

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Published on: June 24, 2022

Related Experiment Videos

Last Updated: May 30, 2025

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

Published on: April 10, 2019

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes

Published on: June 24, 2022

Area of Science:

Materials Science
Catalysis
Nanotechnology

Background:

Cerium dioxide (CeO2) is a versatile material with applications in catalysis.
Controlling the pore structure of CeO2 is crucial for optimizing catalyst performance.
Understanding the influence of pore architecture on metal nanoparticle distribution is key.

Purpose of the Study:

To synthesize CeO2 with an open pore structure and compare it with conventional CeO2.
To investigate the effect of the open pore structure on palladium (Pd) loading and distribution.
To evaluate the performance of Pd/CeO2 catalysts in hydrogenation reactions and industrial processes.

Main Methods:

Synthesis of CeO2 with and without an open pore structure.
Loading of palladium (Pd) onto the CeO2 supports.
Comprehensive characterization of catalyst structures and properties (e.g., XRD, BET, TEM).
Evaluation of catalytic activity in alkyne and alkene hydrogenation reactions.

Main Results:

The open pore structure of CeO2 significantly influences the loading position and distribution of Pd nanoparticles.
Steric hindrance effects arising from pore structure differences were confirmed in hydrogenation reactions.
Catalysts derived from open pore CeO2 demonstrated excellent performance in industrially relevant reactions.
Structural characterization confirmed distinct differences between the two CeO2 samples.

Conclusions:

The open pore structure of synthesized CeO2 plays a critical role in determining the properties and performance of supported Pd catalysts.
This unique pore architecture enables enhanced catalytic activity and selectivity, particularly in hydrogenation.
The findings highlight the potential of tailored CeO2 nanostructures for advanced catalytic applications.