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Chemosphere 88(1)

Overview of new articles on POPs in a new issue of the Chemosphere journal.

Volatilization of polycyclic aromatic hydrocarbons from coal-tar-sealed pavement

Pages 1-7
Peter C. Van Metre, Michael S. Majewski, Barbara J. Mahler, William T. Foreman, Christopher L. Braun, Jennifer T. Wilson, Teresa L. Burbank

  • PAHs are elevated in air over pavement with coal-tar-based sealant.
  • PAH fluxes to air are about 60 times greater over sealed than unsealed pavement.
  • Coal-tar-based sealant use is a source of PAHs to urban air.

Effects of excited-state structures and properties on photochemical degradation of polybrominated diphenyl ethers: A TDDFT study

Pages 33-38
Se Wang, Ce Hao, Zhanxian Gao, Jingwen Chen, Jieshan Qiu

  • The significant lengthening of C–Br bond in the excited state was observed for the first time by theoretical calculation.
  • The lengthening of C–Br bond generally occurs at theorthoormetaposition in the excited state.
  • Increasing the number of Br atoms results in an increase of photoreactivity of PBDEs.
  • The pattern of Br substituents has an effect upon the photoreactivity of PBDE congeners.

Trophic transfer of pyrene metabolites and nonextractable fraction from Oligochaete (Lumbriculus variegatus) to juvenile brown trout (Salmo trutta)

Pages 55-61
V. Carrasco Navarro, M.T. Leppänen, J.O. Honkanen, J.V.K. Kukkonen

  • Transfer of pyrene metabolites was evaluated from invertebrate to fish through diet.
  • Metabolites produced byLumbriculus variegatusare taken up by Salmo trutta.
  • A residual bound fraction was found and quantified inL. variegatus.
  • This residual bound fraction was not available to S. trutta.

23.4.2012


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