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Nanothermite with Meringue-like Morphology: From Loose Powder to Ultra-porous Objects

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Aluminum phosphide poisoning: an unsolved riddle.

R Anand¹, B K Binukumar, Kiran Dip Gill

¹Department of Biochemistry, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Journal of Applied Toxicology : JAT

|May 25, 2011

Summary

Aluminum phosphide (ALP) poisoning is highly lethal, causing circulatory failure and multi-organ dysfunction. Research suggests cellular damage, potentially involving mitochondria and reactive oxygen species, contributes to its severe toxicity in humans.

Keywords:

aluminum (aluminium) phosphide phosphide phosphine

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Area of Science:

Toxicology
Cellular Biology
Environmental Health

Background:

Aluminum phosphide (ALP) is a common insecticide and rodenticide.
Ingested ALP releases phosphine gas upon contact with gut fluids, leading to severe poisoning.
ALP poisoning has a high mortality rate, exceeding 70%, often due to circulatory failure and multi-organ dysfunction.

Purpose of the Study:

To investigate the cellular mechanisms underlying Aluminum phosphide (ALP) toxicity.
To explore the potential role of mitochondria and reactive oxygen species in ALP-induced multi-organ dysfunction (MOD).

Main Methods:

Review of existing in vitro and in vivo evidence regarding phosphine toxicity.
Analysis of cellular damage patterns in ALP poisoning.
Exploration of potential biochemical pathways involved in ALP pathogenesis.

Main Results:

ALP toxicity appears to act at the cellular level, causing widespread damage rather than targeting a single organ.
Mitochondrial dysfunction, leading to reduced ATP production and potential free radical generation, is a likely mechanism.
Evidence suggests reactive oxygen species (ROS) play a role in ALP toxicity, similar to findings in insects and rats.

Conclusions:

The precise mechanism of ALP toxicity in humans remains unproven but likely involves cellular damage, particularly to mitochondria.
Oxidative stress induced by ROS may be a critical factor in the pathogenesis of ALP poisoning.
Currently, no specific antidote exists for ALP poisoning; treatment relies on supportive care.