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BACKGROUND Polychlorinated biphenyls (PCBs) and chlorinated pesticides are endocrine disruptors, altering both thyroid and estrogen hormonal systems. Less is known of action on androgenic systems. OBJECTIVE We studied the relationship between serum concentrations of testosterone in relation to levels of PCBs and three chlorinated pesticides in an adult(More)
BACKGROUND Residents of Anniston, Alabama, live near a Monsanto plant that manufactured polychlorinated biphenyls (PCBs) from 1929 to 1971 and are relatively heavily exposed. OBJECTIVES The goal of this study was to determine the relationship, if any, between blood pressure and levels of total serum PCBs, several PCB groups with common actions or(More)
Background: Omega-3 but not omega-6 fatty acids are thought to promote cardiovascular health by increasing membrane fluidity.:2n-6)] fatty acids on plasma membrane fluidity and cytotoxicity were investigated using mouse thymocytes. Membrane fluidity was assessed by determining fluorescence polarization of 1, 6-diphenyl-1, 3, 5-hexatriene (DPH) and cell(More)
This paper presents mineralogical and geochemical data on seafloor massive sulfides (SMS) from the Ashadze-1 hydrothermal field at the Mid-Atlantic Ridge (MAR). The Ashadze-1 deposit is associated with the uplifted lower crust and upper mantle (oceanic core complex, OCC) of the MAR segment characterized by asymmetric mode of accretion. The OCC is(More)
A mathematical model of the biotechnical system integrating the human cardiorespiratory system with a hard- and software suite (HSS) was designed to investigate breathing control. The model describes the dynamics of carbon dioxide and oxygen in three biotechnical system compartments in the course of rebreathing tests. The tests do not require tanks with(More)
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