نتایج جستجو برای: laboratory bioassay
تعداد نتایج: 288692 فیلتر نتایج به سال:
A laboratory bioassay was developed for testing tarnished plant bug populations for resistance development to the neonicotinoid insecticides imidacloprid and thiamethoxam. The bioassay allows for the determination of LC50 values by feeding known doses of the insecticides to adult tarnished plant bugs in a honey-water solution. Field populations of plant bugs from several locations in the mid-So...
OBJECTIVE To review the clinical features and laboratory investigations of ciguatera patients in Hong Kong between 2004 and 2007 in order to show the timely sampling of implicated fish from ciguatera victims and application of validated mouse bioassay for confirming suspected clinical cases of ciguatera. METHODS Diagnosis of the ciguatera victims was based on history of coral fish consumption...
The linear correlation between the EC50 values of 50 substances obtained in luminescence bioassays using Vibrio fischeri and Vibrio harveyi and in a fluorogenic bioassay using Escherichia coli was investigated. As a result, a significant correlation was found between the said values in all three toxicity tests. The bioassay using V. harveyi had a sensitivity similar to that of the fluorogenic b...
The repellents N,N-diethyl-3-methylbenzamide (deet) and racemic 2-methylpiperidinyl-3-cyclohexene-1-carboxamide (AI3-37220) were evaluated using two different laboratory bioassays to determine their relative effectiveness against host-seeking nymphs of the blacklegged tick, Ixodes scapularis Say, and the lone star tick, Amblyomma americanum (L.). In a petri dish bioassay, ticks were released wi...
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