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ABSTRACT This study, examines the toxicity (as measured by reduced intracellular K + and metabolism (defluorination) of halothane and enflurane in rat hepatocytes in suspension (RHS) with regards to O 2 tension, time, and concentration. In 95% O 2 halothane is more toxic than enflurane when RHS...
ABSTRACT Metabolic disposition and subchronic oral toxicologic studies were conducted on a new synthetic sweetener, Oxime V. Based on radioactivity assay, the compound was readily absorbed and metabolized. Excretion was nearly quantitative 48 hours after dosing the rat, dog, and rhesus monkey....
ABSTRACT Using primary cultures of parenchymal hepatocytes as a model system, the cytotoxic potential of dantrolene sodium (DS) was compared with that of erythromycin estolate (EE)—a known hepatotoxin. Parallel morphological and functional comparisons were made, following 4-, B-, or 24-h...
ABSTRACT Data obtained from rodents indicates that maternal exposure to mixed xylenes or individual xylene isomers can have adverse effects on the conceptus. Fetotoxic effects were reported following maternal inhalation exposure to mixed xylenes; altered enzyme activities were also found in rat...
ABSTRACT The effect of IV amitraz on the transit of barium sulfate through the stomach and duodenum as well as amitraz-induced bradycardia was studied in 4 dogs. Control transit time and heart rates were determined after IV injection of dimethyl sulfoxide (0.1 ml/kg), which was subsequently used...
ABSTRACT In adult female SPF Sprague-Dawley rats, exposed for 2 hours to 2-methoxy-ethanol (ME, 1600 ppm), 1-acetoxy-2-methoxy-ethane (AME, 800 ppm), 2-ethoxy-ethanol (EE, 420 ppm), or 1-acetoxy-2-ethoxy-ethane (AEE, 170 ppm) the blood level of ME (after ME or AME) or EE (after EE or AEE) was...
ABSTRACT Adult male Sprague Dawley rats were gavaged with 2,4-dini-trotoluene (2,4-DNT) dissolved in corn oil at 0, 60, 180, or 240 mg/kg/day for five days. A single oral dose (0.5 mg/kg) of triethylenemelamine was used as a positive control. Induction of dominant lethal events was scored on the...
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