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Related Concept Videos

Corrosion02:49

Corrosion

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The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
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Types of Toxins01:36

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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.
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Environmental pollutants like...
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Microbial Corrosion01:24

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Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
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The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
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Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
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Toxic Reactions: Overview01:26

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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.
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Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model
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Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model

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Irritants and corrosives.

Richard Tovar1, Jerrold B Leikin2

  • 1Medical Toxicology, Clinical Forensic Medicine, TacticalTox, 3215 Golf Road #130, Delafield, WI 53018, USA.

Emergency Medicine Clinics of North America
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

This review covers toxic chemicals causing acute irritation or corrosion. Irritants cause reversible damage, while corrosive agents induce irreversible necrosis and lasting skin damage.

Keywords:
Coagulative necrosisCommunication of hazardsContact dermatitisCorrosivesHazardous materialsIrritantsLiquefactive necrosisTriage systems

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Area of Science:

  • Toxicology
  • Dermatology
  • Pathology

Background:

  • Chemicals can cause acute organ system damage.
  • Irritation involves reversible damage.
  • Corrosion leads to irreversible tissue destruction.

Purpose of the Study:

  • To review toxic chemicals causing acute irritation and corrosion.
  • To differentiate between irritant and corrosive chemical effects.
  • To describe the pathological outcomes of corrosive chemical exposure.

Main Methods:

  • Literature review of toxic chemicals.
  • Analysis of acute damage mechanisms.
  • Description of clinical and histopathological findings.

Main Results:

  • Irritant chemicals cause reversible damage to organ systems.
  • Corrosive chemicals induce irreversible necrosis (coagulation or liquefaction).
  • Visible signs of corrosion include ulcers, bleeding, alopecia, and scars.

Conclusions:

  • Understanding the difference between irritation and corrosion is crucial for treatment.
  • Histopathology aids in evaluating corrosive skin lesions.
  • Acute chemical exposures require prompt recognition and management.