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  1. No Access

    Article

    Biomonitoring and Evaluation of Metal Concentrations in Sediment and Crab Samples from the North-West Province of South Africa

    In this study, various metal concentrations were determined in environmental samples from rivers in the vicinity of mining areas of the Northwest Province, South Africa. These metal concentrations were also de...

    V. Somerset, C. Van der Horst, B. Silwana, C. Walters… in Water, Air, & Soil Pollution (2015)

  2. No Access

    Chapter and Conference Paper

    Nonequilibrium self-association of a cpn60 chaperonin induced by tryptophan mutation

    The tryptophan mutant Y203W of the bacterial GroEL (cpn60) was studied with regard to its hydrodynamic integrity and its oligomeric state. Sedimentation equilibrium using MSTARI gave a weight-average molecular...

    C. Walters, M. Cliff, A. Clarke, S. E. Harding in Analytical Ultracentrifugation V (1999)

  3. No Access

    Article

    Release of the angiogenic cytokine vascular endothelial growth factor (VEGF) from platelets: significance for VEGF measurements and cancer biology

    Vascular endothelial growth factor (VEGF) is a potent angiogenic factor with a key role in several pathological processes, including tumour vascularization. Our preliminary observations indicated higher VEGF c...

    RE Banks, MA Forbes, SE Kinsey, A Stanley, E Ingham, C Walters… in British Journal of Cancer (1998)

  4. No Access

    Article

    Inflammatory mediators and cellular infiltration of the lungs in a guinea pig model of the late asthmatic reaction

    Alterations in cell numbers, vascular permeability, and concentrations of various inflammatory mediators in the lung were measured in a guinea pig model of the late asthmatic reaction. Animals sensitized by in...

    A. F. Walls, Y. K. Rhee, D. J. Gould, C. Walters, C. Robinson, M. K. Church… in Lung (1991)

  5. No Access

    Article

    Chronic atrophic gastritis and risk of n-nitroso compounds carcinogenesis

    Die chronisch atrophische Gastritis gilt als Präcancerose für ein Magencarcinom. Um die Korrelation zwischen fortgeschrittenen Schleimhautveränderungen und von Faktoren, die auf den Magensaft wirken und bei de...

    M. Carboni, S. Guadagni, M. A. Pistoia, G. Amicucci… in Langenbecks Archiv für Chirurgie (1988)

  6. No Access

    Article

    Critical Current Density Enhancement and Moisture Destruction Studies of the Compound Superconductor Y-Ba-Cu-Ag-O

    We have fabricated a series of samples of YBa2(Cu1−x Agx)3Oy compounds where 0 ≤ × ≤ 1, with the intention to study the changes in critical current density and the effect of moisture treatment on normal state res...

    Y. D. Yao, A. Krol, Y. H. Krol, C. Walters, S. Spagna… in MRS Online Proceedings Library (1987)

  7. No Access

    Article

    Chromosomal sexing of the Black Shouldered Kite (Elanus caeruleus) (Aves: Accipitridae)

    The karyotypes of a male and female Black Shouldered Kite (Elanus caeruleus) are presented and their position in the Accipitridae discussed.

    T. Harris, C. Walters in Genetica (1982)