Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Benzidine transformation processes in natural sediments.

Joel Harden1, Amy Jewell, Francis P Donaldson

  • 1Malcolm Pirnie, 40 Centre Drive, Orchard Park, New York 14127, USA.

Environmental Toxicology and Chemistry
|August 19, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Interactive effects of lead, copper, nickel and zinc on growth, metal uptake and antioxidative metabolism of Sesbania drummondii.

Journal of hazardous materials·2011
Same author

Oxidation of PAHs in a simplified system using peroxy-acid and glass beads: Identification of oxidizing species.

Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering·2009
Same author

Influence of pH on sediment-associated sorption reactions of benzidine.

Environmental toxicology and chemistry·2009
Same author

Effective treatment of PAH contaminated Superfund site soil with the peroxy-acid process.

Journal of hazardous materials·2007
Same author

Increased amyloid beta protein levels in children and adolescents with Down syndrome.

Journal of the neurological sciences·2007
Same author

Sorption and desorption behavior of benzidine in different solvent-sediment systems.

Chemosphere·2006
Same journal

Variability in the Toxicity of Oil Sands Process-Affected Water to Rainbow Trout (Oncorhynchus mykiss).

Environmental toxicology and chemistry·2026
Same journal

Temporal variation of sewage contamination of a tropical and highly urbanized estuary.

Environmental toxicology and chemistry·2026
Same journal

Per- and polyfluoroalkyl substances in archived Antarctic penguin feathers.

Environmental toxicology and chemistry·2026
Same journal

Recent developments in the biosorption of toxic pollutants from wastewater.

Environmental toxicology and chemistry·2026
Same journal

Chemical residues in agricultural soils in Germany between 2022 and 2024-analysis of neonicotinoid insecticides.

Environmental toxicology and chemistry·2026
Same journal

From laboratory to the field: the role of microplastics as vectors of per- and polyfluoroalkyl substances (PFAS) in the environment.

Environmental toxicology and chemistry·2026
See all related articles

Benzidine, a toxic aromatic amine used in dyes, degrades in lake sediment via microbial activity. This transformation produces more mobile aniline, increasing water contamination risks.

Area of Science:

  • Environmental Chemistry
  • Microbiology
  • Environmental Science

Background:

  • Aromatic amines like benzidine are carcinogenic industrial chemicals.
  • Environmental release of these compounds poses significant health risks.

Purpose of the Study:

  • To investigate the degradation of benzidine in a lake sediment-water system.
  • To identify potential metabolites and the role of microbial activity in benzidine transformation.

Main Methods:

  • Sediment and water samples from Lake Macatawa were spiked with benzidine.
  • Incubation under anaerobic conditions at varying temperatures (4, 15, 23°C) for 211 days.
  • Analysis of degradation and metabolites using gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry.

Related Experiment Videos

Main Results:

  • Benzidine degradation was observed over time in sediment-water mixtures.
  • Three potential metabolites, including aniline, were identified.
  • Microbial activity, not autoclaving, was responsible for benzidine transformation.
  • Benzidine showed higher sorption to sediment than its metabolite aniline.

Conclusions:

  • Microbial degradation of benzidine in aquatic environments is confirmed.
  • Transformation to aniline increases aniline's mobility and potential for water transport.
  • This highlights environmental risks associated with benzidine contamination and its degradation products.