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

Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide

Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide

Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.

Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate

Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate

Alkenes can be dihydroxylated using potassium permanganate. The method encompasses the reaction of an alkene with a cold, dilute solution of potassium permanganate under basic conditions to form a cis-diol along with a brown precipitate of manganese dioxide.

You might also read

Related Articles

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

Sort by

Same author

Biological significance, molecular mechanisms and clinical potential of EI24 in cancer.

Chinese medical journal·2025

Same author

Construction of a Heterotrophic Nitrification-Aerobic Denitrification Composite Microbial Consortium and Its Bioaugmentation Role in Wastewater Treatment.

Biology·2025

Same author

A distributed alternating optimization approach to canonical correlation analysis based fault detection for dynamic systems.

ISA transactions·2025

Same author

TPI1 enhances gemcitabine resistance in bladder cancer by promoting autophagy through activating Beclin-1.

Cell death & disease·2025

Same author

Targeting PSMB5-induced PANoptosis in bladder cancer: multi-omics insights and TCM candidate discovery.

Frontiers in immunology·2025

Same author

Dihydro-R demonstrates innate immunity against Adenovirus-7 by suppressing the NF-κB/JAK-STAT pathway in a SIRT1-dependent manner.

Biochemistry and biophysics reports·2025

Search research articles

Related Experiment Video

Updated: Jul 27, 2025

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

A Monolayer High-Entropy Layered Hydroxide Frame for Efficient Oxygen Evolution Reaction.

Yiran Ding¹, Zhouyang Wang², Zijia Liang¹

¹The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China.

Advanced Materials (Deerfield Beach, Fla.)

|June 6, 2023

Summary

This study presents a novel method for synthesizing high-entropy layered hydroxides (HELHs) under mild conditions, overcoming previous limitations. These advanced electrocatalysts demonstrate enhanced stability and efficiency for the oxygen evolution reaction (OER).

Keywords:

frames high‐entropy layered double hydroxides monolayers oxygen evolution reaction

More Related Videos

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

Related Experiment Videos

Last Updated: Jul 27, 2025

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

Layered double hydroxides (LDHs) are efficient electrocatalysts for the oxygen evolution reaction (OER).
Conventional synthesis of high-entropy layered hydroxides (HELHs) requires harsh alkaline conditions, leading to structural instability and limited active sites.

Purpose of the Study:

To develop a universal and mild synthesis method for monolayer HELH frameworks.
To precisely control the nanostructure and elemental composition of HELHs.
To improve the catalytic activity, stability, and active site availability of LDH-based OER catalysts.

Main Methods:

A universal synthesis approach for monolayer HELH frames was developed under mild reaction conditions.
Precise control over the fine structure and elemental composition of the HELHs was achieved.
Characterization of HELH properties including surface area and electrochemical performance.

Main Results:

The synthesized HELHs exhibit a high surface area of up to 380.5 m² g⁻¹.
Achieved a current density of 100 mA cm⁻² at an overpotential of 259 mV in 1 M KOH.
Demonstrated excellent stability with no significant performance deterioration after 1000 hours of operation at 20 mA cm⁻².

Conclusions:

The mild synthesis method overcomes the limitations of traditional HELH preparation.
High-entropy engineering and nanostructure control significantly enhance OER performance.
This work offers a promising pathway for developing advanced LDH electrocatalysts for OER applications.