Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Heterogeneous Catalysis01:22

Heterogeneous Catalysis

136
Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
136

You might also read

Related Articles

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

Sort by
Same author

A thermochromic thin film based on host-guest interactions in a layered double hydroxide.

Langmuir : the ACS journal of surfaces and colloids·2009
Same author

Influence of dynamic load on friction behavior of human articular cartilage, stainless steel and polyvinyl alcohol hydrogel as artificial cartilage.

Journal of materials science. Materials in medicine·2009
Same author

[Effect of siRNA targeting c-Myc and VEGF on human colorectal cancer cells].

Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery·2009
Same author

Tumor-specific, hypoxia-regulated, WW domain-containing oxidoreductase-expressing adenovirus inhibits human non-small cell lung cancer growth in vivo.

Human gene therapy·2009
Same author

Triosephosphate isomerase and peroxiredoxin 6, two novel serum markers for human lung squamous cell carcinoma.

Cancer science·2009
Same author

Sleeve gastrectomy provides a better control of diabetes by decreasing ghrelin in the diabetic Goto-Kakizaki rats.

Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract·2009

Related Experiment Video

Updated: Apr 26, 2026

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
05:50

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments

Published on: May 11, 2017

10.2K

Multi-level three-dimensional Mg-Al layered double hydroxide hierarchical microstructures with enhanced basic

Jiaying Yu1, Guoli Fan1, Yang Yang1

  • 1State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, P.O. Box 98, Beijing 100029, PR China.

Journal of Colloid and Interface Science
|July 19, 2014
PubMed
Summary
This summary is machine-generated.

Novel rosette-like magnesium-aluminum layered double hydroxide (MgAl-LDH) microstructures exhibit enhanced basic catalytic properties. This morphology-dependent catalysis is crucial for efficient transesterification reactions.

Keywords:
Layered double hydroxideMorphosynthesisMulti-level superstructureSolid base catalystsSurfactant

More Related Videos

Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica
11:02

Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica

Published on: July 9, 2015

9.7K
Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
07:57

Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets

Published on: August 18, 2023

2.4K

Related Experiment Videos

Last Updated: Apr 26, 2026

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
05:50

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments

Published on: May 11, 2017

10.2K
Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica
11:02

Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica

Published on: July 9, 2015

9.7K
Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
07:57

Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets

Published on: August 18, 2023

2.4K

Area of Science:

  • Materials Science
  • Catalysis
  • Nanotechnology

Background:

  • Layered double hydroxides (LDHs) are versatile materials with tunable properties.
  • Morphology significantly influences the catalytic activity of materials.
  • Developing hierarchical microstructures can enhance material performance.

Purpose of the Study:

  • To fabricate novel 3D rosette-like Mg-Al layered double hydroxide (MgAl-LDH) hierarchical microstructures.
  • To investigate the morphology-dependent basic catalytic properties of these MgAl-LDH structures.
  • To explore the formation mechanism and catalytic application of the synthesized materials.

Main Methods:

  • Surfactant-assisted coprecipitation using hexamethylenetetramine as a precipitant.
  • Controlled synthesis by varying precipitant type, surfactant concentration, and hydrothermal aging time.
  • Calcination-rehydration process for activating the MgAl-LDH catalyst.

Main Results:

  • Successfully synthesized 3D rosette-like MgAl-LDH hierarchical microstructures.
  • Demonstrated that increasing sodium stearate concentration transforms platelet-like aggregates into rosette-like microspheres.
  • The activated rosette-like MgAl-LDH exhibited higher catalytic activity in tributyrin transesterification compared to platelet-like precursors.
  • Higher specific basicity and increased exposure of base sites in the hierarchical structure were identified as key factors for enhanced catalysis.

Conclusions:

  • A novel method for fabricating 3D rosette-like MgAl-LDH microstructures was developed.
  • The morphology of MgAl-LDH significantly impacts its basic catalytic properties.
  • The hierarchical rosette-like MgAl-LDH shows superior performance in transesterification, attributed to its unique structure and enhanced basicity.