Related Experiment Video

Updated: Oct 3, 2026

Elucidating the Metabolism of 2,4-Dibromophenol in Plants
06:54

Elucidating the Metabolism of 2,4-Dibromophenol in Plants

Published on: February 10, 2023

Metabolism of 2,4,5,2',5'-pentachlorobiphenyl in the rat. Qualitative and quantitative aspects

P R Chen, J D McKinney, H B Matthews

    Drug Metabolism and Disposition: the Biological Fate of Chemicals
    |July 1, 1976
    PubMed

    More Related Videos

    Assessing Cytotoxicity of Metabolites of Typical Triazole Pesticides in Plants08:22

    Assessing Cytotoxicity of Metabolites of Typical Triazole Pesticides in Plants

    Published on: December 22, 2023

    Quantification of Polybutylene Adipate Terephthalate-based Micro- and Nano-plastics from Soil Using Proton Nuclear Magnetic Resonance Spectroscopy05:05

    Quantification of Polybutylene Adipate Terephthalate-based Micro- and Nano-plastics from Soil Using Proton Nuclear Magnetic Resonance Spectroscopy

    Published on: June 6, 2025

    Related Concept Videos

    Drug Metabolism: Phase I Reactions01:17

    Drug Metabolism: Phase I Reactions

    A phase I reaction is a biochemical process that introduces a functionally reactive polar group to a substance. This transformation predominantly occurs in the liver, facilitated by the cytochrome P450 system of hemoproteins situated in the lipophilic endoplasmic reticulum of cells. The metabolite generated through this process can have varying polarities. If it is sufficiently polar, it can be easily excreted in the urine due to its water compatibility. However, if the metabolite is nonpolar,...
    Drug Biotransformation: Overview01:28

    Drug Biotransformation: Overview

    Biotransformation, also known as drug metabolism, is a vital physiological process that chemically alters drugs, facilitating their elimination from the body and terminating their action. This process involves two main phases: phase I and phase II reactions. Phase I reactions, including oxidation, reduction, and hydrolysis, introduce or unmask polar functional groups on the drug molecule, thereby increasing its water solubility. By enhancing water solubility, the drug becomes more hydrophilic...
    Phase I Reactions: Oxidation of Aliphatic and Aromatic Carbon-Containing Systems01:19

    Phase I Reactions: Oxidation of Aliphatic and Aromatic Carbon-Containing Systems

    Phase I biotransformation reactions are integral to drug metabolism, predominantly involving oxidative, reductive, and hydrolytic transformations. Chief among these are oxidative reactions, which enhance the hydrophilicity of xenobiotics and introduce polar functional groups to facilitate their elimination from the body.
    Oxidation reactions are fundamental in aromatic carbon-containing systems. An example is the hydroxylation of phenobarbital, a process that transforms it into...
    Phase II Reactions: Glutathione Conjugation and Mercapturic Acid Formation01:22

    Phase II Reactions: Glutathione Conjugation and Mercapturic Acid Formation

    Glutathione, a tripeptide made up of glutamate, cysteine, and glycine, is a critical player in the detoxification of drugs and xenobiotics via a process known as glutathione conjugation or mercapturic acid formation. This phase II biotransformation reaction involves the covalent binding of glutathione to a drug or its metabolite, enhancing the compound's water solubility and enabling its excretion.
    Several distinctive characteristics distinguish glutathione conjugation from other phase II...
    Toxicity Testing in Animals01:23

    Toxicity Testing in Animals

    Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...