نتایج جستجو برای: ld50
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Background and purpose : The susceptibility of three wild strains of B.germanica collected from different hospitals (Shafa, Kerman darman and Shahid bahonar) affiliated to Kerman university of medical sciences were evaluated using Pirimiphos methyl, Propoxur and Lambadacyhalothrin. Materials and methods : The method of testing was followed according to method of WHÔ, through contact proced...
BACKGROUND Chlorambucil (CLB), 2-chlorodeoxyadenosine (2-CDA) and fludarabine (FAMP) are among the most widely used drugs in chronic lymphocytic leukemia (CLL). Therefore we evaluated in vitro sensitivity to these drugs and cross-resistance of purine analogs. In addition, we correlated the in vitro data with the main clinico-hematological variables and surface markers. PATIENTS AND METHODS Ei...
Effect of subcutaneously (s.c.) administered potassium cyanide (0.5 and 1.0 LD50) and inhalation of hydrogen cyanide (55 ppm or 60.6 mg/m3) for 30 minutes was studied on various physiological parameters related to dynamic pulmonary mechanics in anaesthetized rats. Total pulmonary phospholipid with its fractions were also estimated. Both s.c. (1.0 LD50) and inhalation exposures increased air flo...
The effect of exposure to different amounts of polychlorocamphene (toxaphene) on the level of cathecholamines (noradrenalin and adrenalin), their precursors (DOPA and dophamine), and a metabolite (vanillylmandelic acid) in tissues (adrenals, brain, heart) and daily urine in white male rats has been studied. It was established that the single administration of 120 mg/kg toxaphene (half the LD50)...
219 Abstract: Toxicity of neem extract in comparison with DDVP (Dichlorvos) was determined against the housefly (Musca domestica L). Neem leaf extract was applied at 5, 10, 20, 40 and 80 microgram/fly and DDVP was treated in 0.1, 0.2, 0.4, 0.8 and 1.6 microgram/fly doses. Lethal dose values were calculated with probit analysis and LD50 and LD90 values were found to be 8.4 and 169.8 ug/fly of ne...
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