Related Experiment Video
Updated: Feb 12, 2026
09:26
Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
Published on: February 6, 2019
22.2K
A Hepatocyte-Mimicking Antidote for Alcohol Intoxication
1Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA, 90095, USA.
Advanced Materials (Deerfield Beach, Fla.)
|April 12, 2018
Summary
This study introduces a novel nanocapsule antidote that mimics liver function to efficiently remove alcohol and toxic acetaldehyde from the body, offering a promising treatment for alcohol intoxication.
Area of Science:
- Biomedical Engineering
- Toxicology
- Drug Delivery
Background:
- Alcohol intoxication poses significant health risks, with current treatments offering limited efficacy in alcohol removal.
- The body metabolizes alcohol sequentially to acetaldehyde and then acetate via endogenous enzymes.
Purpose of the Study:
- To develop a hepatocyte-mimicking nanocapsule antidote for efficient alcohol detoxification.
- To simultaneously eliminate alcohol and its toxic metabolite, acetaldehyde, in vivo.
Main Methods:
- Codelivery of nanocapsules containing alcohol oxidase (AOx), catalase (CAT), and aldehyde dehydrogenase (ALDH) to the liver.
- In vivo administration to alcohol-intoxicated mice to assess antidote efficacy and safety.
Main Results:
- The nanocapsule antidote rapidly accumulated in the liver, significantly reducing blood alcohol concentration.
- Blood acetaldehyde levels were maintained at extremely low concentrations, indicating effective detoxification.
- The treatment demonstrated significant liver protection in intoxicated mice.
Conclusions:
- The developed nanocapsule system effectively mimics liver metabolism for alcohol detoxification.
- This dual-action antidote offers a promising therapeutic strategy for alcohol intoxication and poisoning.
- Simultaneous elimination of alcohol and acetaldehyde provides substantial therapeutic benefits.
Related Concept Videos
01:17Antidotes
1.2K
Antidotes are medicinal substances used to counteract the harmful effects of toxins or drugs in the body. They function in various ways, each uniquely designed to combat specific toxic compounds.
Specific antidotes operate by inhibiting the enzymes that control biochemical pathways, reducing the production of harmful metabolites.
An example of an antidote is atropine, which counteracts the detrimental effects of cholinesterase inhibitors. It achieves this by deactivating muscarinic receptors,...
Specific antidotes operate by inhibiting the enzymes that control biochemical pathways, reducing the production of harmful metabolites.
An example of an antidote is atropine, which counteracts the detrimental effects of cholinesterase inhibitors. It achieves this by deactivating muscarinic receptors,...
1.2K
02:37Oxidation of Alcohols
16.3K
In this lesson, the oxidation of alcohols is discussed in depth. The various reagents used for oxidation of primary and secondary alcohols are detailed, and their mechanism of action is provided.
The process of oxidation in a chemical reaction is observed in any of the three forms:
The process of oxidation in a chemical reaction is observed in any of the three forms:
16.3K
02:29Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis
13.0K
Overview
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.
13.0K
02:31Protection of Alcohols
8.1K
This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
8.1K
01:38Preparation of Alcohols via Substitution Reactions
7.4K
Overview
Alcohols can be synthesized from alkyl halides via nucleophilic substitution reactions. The highly polar carbon-halogen bond in the substrate makes halide a good leaving group. The hydroxide ion or water can act as a nucleophile to take the place of halide and form an alcohol. The substitution reactions occur via two different reaction pathways, SN1 or SN2, depending on the nature of carbon attached to the halide.
Primary alcohols are synthesized from primary alkyl halides, and the...
Alcohols can be synthesized from alkyl halides via nucleophilic substitution reactions. The highly polar carbon-halogen bond in the substrate makes halide a good leaving group. The hydroxide ion or water can act as a nucleophile to take the place of halide and form an alcohol. The substitution reactions occur via two different reaction pathways, SN1 or SN2, depending on the nature of carbon attached to the halide.
Primary alcohols are synthesized from primary alkyl halides, and the...
7.4K
01:17Esters to Alcohols: Hydride Reductions
4.8K
Esters are reduced to primary alcohols when treated with a strong reducing agent like lithium aluminum hydride. The reaction requires two equivalents of the reducing agent and proceeds via an aldehyde intermediate.
Lithium aluminum hydride is a source of hydride ions and functions as a nucleophile. The mechanism proceeds in three steps. Firstly, the nucleophilic hydride ion attacks the carbonyl carbon of the ester to form a tetrahedral intermediate. Subsequently, the carbonyl group re-forms,...
Lithium aluminum hydride is a source of hydride ions and functions as a nucleophile. The mechanism proceeds in three steps. Firstly, the nucleophilic hydride ion attacks the carbonyl carbon of the ester to form a tetrahedral intermediate. Subsequently, the carbonyl group re-forms,...
4.8K