Emanuel Levin

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Streptococcus faecalis obtains metabolic energy chiefly from the conversion of glucose to lactic acid; the present experiments deal with the mechanism of lactic acid translocation across the cytoplasmic membrane. Efflux of [(14)C]lactate from preloaded cells was accelerated by raising the external pH, and also by the ionophores nigericin and valinomycin.(More)
In vivo binding of [3H]estradiol ([3H]E2) in the rat uterus was performed by an intraluminal perfusion of the ligand for different time periods. In this way the binding takes place in the intact organ before processing the tissue. In 10 min, with 10 nM [3H]E2 apparent saturation or steady state incorporation of the [3H]E2 was achieved with a similar(More)
The aim of this study was to develop an experimental model for the study of cancer associated with diabetes. For diabetes induction, Sprague-Dawley rats were given streptozotocin (STZ, 90 mg/kg body weight (BW), by intraperitoneal injection on the second day of life. For mammary tumour induction, rats were injected with 50 mg/kg BW of N-nitroso-N-methylurea(More)