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Nerve agents degraded by enzymatic foams

Author

Listed:
  • Keith E. LeJeune

    (Carnegie Mellon University)

  • James R. Wild

    (Texas A&M, College Station)

  • Alan J. Russell

    (Center for Biotechnology and Bioengineering, University of Pittsburgh)

Abstract

The decontamination of large areas that have been exposed to chemical weapons is a critical component of defence and anti-terrorist strategies around the world1,2,3. Until now, nerve agents could be decontaminated only with bleach treatment and/or ex situ incineration4, which had severe environmental consequences. Small-scale methods of decontamination and demilitarization are available, but the problem of decontamination over a wide area has not been solved2,3. Here we incorporate organophosphorus hydrolase (OPH), an enzyme that hydrolyses nerve agents, into aqueous fire-fighting foams to catalyse surface decontamination. The performance of enzyme-containing foams is reproducible and predictable in detoxifying organophosphorus nerve toxins deposited onto surfaces. Such foams are an environmentally friendly alternative to current decontamination solutions, which are nonspecific in their action and contain significant amounts of hazardous organic solvents.

Suggested Citation

  • Keith E. LeJeune & James R. Wild & Alan J. Russell, 1998. "Nerve agents degraded by enzymatic foams," Nature, Nature, vol. 395(6697), pages 27-28, September.
    • Handle: RePEc:nat:nature:v:395:y:1998:i:6697:d:10.1038_25634
    DOI: 10.1038/25634
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