Related Experiment Video

Updated: Aug 19, 2026

Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate
04:17

Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate

Published on: January 20, 2023

Polychlorobornane components of toxaphene: structure-toxicity relations and metabolic reductive dechlorination

M A Saleh, W V Turner, J E Casida

    Science (New York, N.Y.)
    |December 23, 1977
    PubMed

    More Related Videos

    Elucidating the Metabolism of 2,4-Dibromophenol in Plants06:54

    Elucidating the Metabolism of 2,4-Dibromophenol in Plants

    Published on: February 10, 2023

    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

    Related Concept Videos

    Reactions at the Benzylic Position: Halogenation01:11

    Reactions at the Benzylic Position: Halogenation

    Benzylic halogenation takes place under conditions that favor radical reactions such as heat, light, or a free radical initiator like peroxide.
    Types of Toxins01:36

    Types of Toxins

    Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
    Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
    Environmental pollutants like...
    Toxic Reactions: Overview01:26

    Toxic Reactions: Overview

    When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
    Toxicity falls into two primary categories: local and systemic.
    Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
    In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
    Phase I Reactions: Reductive Reactions01:27

    Phase I Reactions: Reductive Reactions

    Phase I biotransformation reductive reactions are chemical processes that modify drugs by introducing or revealing polar functional groups via reduction. Enzymes called reductases catalyze these reactions, playing a pivotal role in drug metabolism by transforming lipophilic drugs into more polar, water-soluble metabolites for easy excretion. An essential type of reductive reaction is the carbonyl group reduction, where aldehydes and ketones are reduced to alcohols. An example is the...
    Toxidromes: Clinical Features01:30

    Toxidromes: Clinical Features

    Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
    Microbial Bioremediation of Pesticides01:28

    Microbial Bioremediation of Pesticides

    Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...