Related Experiment Video

Updated: Aug 7, 2026

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability
09:23

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

Published on: June 21, 2015

Lead toxicity part II: the role of free radical damage and the use of antioxidants in the pathology and treatment of

Lyn Patrick

    Alternative Medicine Review : a Journal of Clinical Therapeutic
    |July 4, 2006
    PubMed

    More Related Videos

    Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors09:33

    Imaging Approaches to Assessments of Toxicological Oxidative Stress Using Genetically-encoded Fluorogenic Sensors

    Published on: February 7, 2018

    Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development14:22

    Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

    Published on: April 15, 2013

    Related Concept Videos

    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,...
    Bioactivation and Tissue Toxicity01:25

    Bioactivation and Tissue Toxicity

    Bioactivation is a metabolic process that transforms less reactive substances into highly reactive metabolites, initiating tissue toxicity. This transformation can lead to various toxic effects, including carcinogenesis and teratogenesis. Reactive metabolites are classified into two main types: electrophiles and free radicals.Electrophiles are electron-deficient species and are produced primarily by the enzyme cytochrome P-450 during the metabolism of compounds containing carbon, nitrogen, or...
    Drug Toxicity: Dose-Dependent Reactions01:24

    Drug Toxicity: Dose-Dependent Reactions

    Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
    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...
    Drug Toxicity: Overview01:00

    Drug Toxicity: Overview

    Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
    Electron Transport Chain: Complex I and II01:46

    Electron Transport Chain: Complex I and II

    The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
    ROS generation is regulated and maintained at moderate levels necessary...