Related Experiment Video

Updated: Aug 19, 2026

Whole-Body Nanoparticle Aerosol Inhalation Exposures
10:11

Whole-Body Nanoparticle Aerosol Inhalation Exposures

Published on: May 7, 2013

Lead poisoning in a group of demolition workers

B C Campbell, A W Baird

    British Journal of Industrial Medicine
    |November 1, 1977
    PubMed

    More Related Videos

    Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants07:08

    Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

    Published on: March 6, 2018

    Experimental Protocol for Using Drosophila As an Invertebrate Model System for Toxicity Testing in the Laboratory06:00

    Experimental Protocol for Using Drosophila As an Invertebrate Model System for Toxicity Testing in the Laboratory

    Published on: July 10, 2018

    Related Concept Videos

    Deleterious Substances in Aggregate01:25

    Deleterious Substances in Aggregate

    Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
    Another type of impurity is clay and fine material that...
    Waterproofing and Anti-Bacterial Admixtures in Concrete01:22

    Waterproofing and Anti-Bacterial Admixtures in Concrete

    Concrete's susceptibility to water absorption is due to the capillary action within the pores of its hydrated cement paste. This action draws water in, creating the need for waterproofing admixtures to prevent such penetration. The efficacy of these admixtures is contingent upon the water pressure, with variations arising from different conditions such as rain, capillary rise, or hydrostatic pressure in structures intended to hold water.
    Waterproofing admixtures render concrete hydrophobic,...
    Acid Attack on Concrete01:21

    Acid Attack on Concrete

    When acids come into contact with concrete, they initiate a chemical reaction that dissolves the hydrated cement paste. This process leads to softening and structural weakening of the concrete. This issue is commonly observed in environments such as chimneys, sewers, and industrial settings. The severity of the damage increases as the pH of the water interacting with the concrete drops below 6.5. In particular, a pH under 4.5 can cause significant concrete damage.
    The rate at which hydrogen...
    Corrosion of Reinforcement01:27

    Corrosion of Reinforcement

    The corrosion of steel reinforcement within concrete is a process influenced by the material's inherent properties and external factors. The high pH level of around 13, provided by calcium hydroxide present in concrete, initially protects the steel reinforcement by promoting the formation of a passive iron oxide layer on its surface.
    However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
    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...
    Acid Mine Drainage01:19

    Acid Mine Drainage

    Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten aquatic...