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Individual PCBs as predictors for concentrations of non andmono-ortho PCBs in human milk.
1995
Berg M. van den | Sinnige T.L. | Tysklind M. | Bosveld A.T.C. | Huisman M. | Koopmans Essenboom C. | Koppe J.G.
Kinetic constraints on the in-situ remediation of soils contaminated with organic chemicals.
1995
Beck A.J. | Jones K.C.
Detection of environmental carcinogens-DNA
1995
Pfohl Leszkowicz, A. (Ecole Nationale Superieure Agronomique de Toulouse (France). Laboratoire de Toxicologie et Securite Alimentaire) | Guillemaut, G. | Masfaraud, J.F. | Rether, B. | Haguenoer, J.M.
The containment of toxic wastes: I. Long term metal movement in soils over a covered metalliferous waste heap at Parc lead-zinc mine, North Wales
1995
Shu JianMin | Bradshaw, A.D. (Department of Environmental and Evolutionary Biology, University of Liverpool, Liverpool L69 3BX (United Kingdom))
Trace organic contamination in the Americas: an overview of the US National Status and Trends and the International 'Mussel Watch' programmes
1995
Sericano, J.L. | Wade, T.L. | Jackson, T.J. | Brooks, J.M. | Tripp, B.W. | Farrington, J.W. | Mee, L.D. | Readmann, J.W. | Villeneuve, J.P. | Goldberg, E.D. (Geochemical and Environmental Research Group, College of Geosciences and Maritime Studies, Texas AandM University, College Station, TX 77845 (USA))
Bioakkumulation of selected organochlorines in bats and tits: Influence of chemistry and biology
1995
Streit, B. | Winter, S. | Nagel, A. (Frankfurt Univ. (Germany). Dept. of Ecology and Evolution)
Chemicals regulation - Application of the criteria for classification of existing chemicals as dangerous for the environment
1995
Knacker, T. | Schallnass, H.J. | Klaschka, U. | Ahlers, J. (ECT Oekotoxikologie GmbH, Bad Soden (Germany))
Inhibibition of ethoxyresorufin-O-deethylase (EROD) activity in mixtures of 2,3,7,8-tetrachlorodibenzo-p-dioxin and polychlorinated biphenyls - EROD acitivity as biomarker in TCDD and PCB risk assessment
1995
Tysklind, M. | Bosveld, A.T.C. | Andersson, P. | Verhallen, E. | Sinnige, T. | Seinen, W. | Rappe, C. | Berg, M. van den (Umea Univ. (Sweden). Inst. of Environmental Chemistry)
Mechanisms of heavy metal detoxification in ectomycorrhizas
1995
Turnau, K. (Jagiellonian Univ., Krakow (Poland). Botany Inst.)
The paper summarizes the main results of reach on heavy metal detoxification in ectomycorrhizas of Rhizopogon roseolus, Paxillus involutus, Cenococcum geophilum and Pisolithus arrhizus formed on Pinus sylvestris roots collected from heavily polluted areas in Poland. The data were obtained by methods including electron microscopy (TEM, SEM) accompanied by EELS and EDAX, cytochemical stainings and capillary electrophoresis. All of the species described in the paper are fungi highly resistant to toxic elements. As detoxification in mycorrhizas is dependent on both partners, the phenomenon was studied in fungi and in Pinus sylvestris roots. The strongest element-filtering effect was observed in R. roseolus / P. sylvestris symbiosis. This mycorrhiza type was characterized by the accumulation of heavy metals in the fungal mantle, and a gradual decrease of these elements was observed along the Hartig net towards the inside of the root. Potentially toxic elements were localized intercellularly in crystals deposited on the mantle and hyphal surface and in pigmented layer of the cell wall of the extramatrical hyphae, and the hyphae of the outer mantle layer. They were also detected intracellularly within electron-opaque depositions in the vacuoles. Much lower levels of toxic elements were detected in plant cells. The most common place for heavy metal accumulation was the phenolic material of the cortical cells.
Show more [+] Less [-]The role of plant hormones as modifiers of sensitivity to air pollutants and other stresses
1995
Lucas, P.W. | Wolfended, J. (Lancaster Univ., (United Kingdom). Institute of Environmental and Biological Sciences)
Plant hormones play a major role in the development and control of a wide range of plant physiological processes. Here we examine the ways in which they may influence the response of plants to air pollutants both indirectly, for example through the control of stomatal behaviour by ABA and directly, through their reactions with oxidising pollutants, which can lead to the formation of further damaging molecular species.
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