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Alcohols from Carbonyl Compounds: Reduction

Alcohols from Carbonyl Compounds: Reduction

Reduction is a simple strategy to convert a carbonyl group to a hydroxyl group. The three major pathways to reduce carbonyls to alcohols are catalytic hydrogenation, hydride reduction, and borane reduction.
Catalytic hydrogenation is similar to the reduction of an alkene or alkyne by adding H2 across the pi bond in the presence of transition metal catalysts like Raney Ni, Pd–C, Pt, or Ru. Aldehydes and ketones can be reduced by this method, often under mild to moderate heat (25–100°C) and...

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Updated: Jun 4, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

Biocompatible reduced graphene oxide prepared by using dextran as a multifunctional reducing agent.

Young-Kwan Kim¹, Mi-Hee Kim, Dal-Hee Min

¹Department of Chemistry, Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea.

Chemical Communications (Cambridge, England)

|February 3, 2011

Summary

A new method uses dextran to create biocompatible reduced graphene oxide (RGO) efficiently and affordably. This dextran-coated RGO is water-soluble and safe for biological applications.

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Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

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Area of Science:

Materials Science
Nanotechnology
Biomedical Engineering

Background:

Reduced graphene oxide (RGO) possesses unique properties but often requires complex synthesis methods.
Developing cost-effective and environmentally friendly production of RGO is crucial for its widespread application.
Biocompatibility and water solubility are key challenges for RGO in biological systems.

Purpose of the Study:

To develop a large-scale, cost-effective, and environmentally friendly synthetic strategy for biocompatible reduced graphene oxide (RGO).
To utilize dextran as a dual-function agent for both reduction and stabilization of graphene oxide.
To evaluate the water solubility and biocompatibility of the resulting dextran-coated RGO (D-RGO).

Main Methods:

A novel synthesis approach employing dextran as a reducing and stabilizing agent for graphene oxide.
Characterization of the synthesized material to confirm the formation of reduced graphene oxide.
Assessment of the solubility of the dextran-coated RGO in aqueous solutions.
Evaluation of the biocompatibility of the D-RGO using relevant assays.

Main Results:

Successful development of a large-scale synthetic strategy for RGO.
Demonstration of dextran's efficacy as both a reducing and stabilizing agent.
Achieved high water solubility for the dextran-coated RGO (D-RGO).
Confirmed high biocompatibility of the synthesized D-RGO.

Conclusions:

A scalable, economical, and green synthesis for biocompatible RGO has been established.
Dextran effectively facilitates the reduction and stabilization of graphene oxide, yielding water-soluble D-RGO.
The developed D-RGO exhibits excellent biocompatibility, making it suitable for various biomedical applications.