نتایج جستجو برای: a. aegypt
تعداد نتایج: 13431795 فیلتر نتایج به سال:
b a ckground: we aimed to extract the ingredients from leaves of gossypium hirsutum (bt cotton) using different solvents and evaluate for potential use to control different larval stages of mosquito species, aedes aegypti and anoph eles stephensi . m e t hods: qualitative and quantitative estimation of ingredients from go. hirsutum (bt) plant extract was carried out and their inhibitory action ...
Microanalytical techniques are used to show that organic molecules play an important role is osmoregulation. Changes in the inorganic ion composition of haemolymph from fourth instar larvae of Aedes aegypt} are correlated with the changes in the concentration of organic ions. Free amino acids have a significant role in regulating haemolymph osmotic pressure with respect to the osmotic pressure ...
The present study aimed to evaluate the larvicidal activity, aquatic and subacute toxicity of anacardic acid in solution encapsulated zein nanoparticles. For potential, different concentrations were tested against young A. aegypti larvae, determining mortality rates at 24, 48 h residual effect between 1 4 weeks. acute ecotoxicology test, Daphnia magna was selected as untargeted environmental or...
In 1948 Giglioli reported an abundance of Aedes aegypt; on Grand Cayman, the largest of the three Cayman Islands, and recommended control by intradomiciliary residual treatment with DDT (I). These recommendations led to implementation of a yearly cycle of DDT spraying between 1950 and 1954, supplemented by use of larvivorous fish (Gambusia puncticulata) and kerosene oil in cisterns and water co...
Aqueous extracts of nine medicinal plants were bioassayed against larvae of Culex quinquefasciatus Say and Aedes aegypt (L.). Among these plants, the long pepper, Piper retrofractum Vahl (Piperaceae), showed the highest level of activity against mosquito larvae. To gain more information on larvicidal activity of P. retrofractum, fresh fruits of this plant were extracted in water and the extract...
The mosquito Aedes aegypti can spread the dengue, chikungunya and yellow fever viruses. Thus, the search for key molecules involved in the mosquito survival represents today a promising vector control strategy. High Mobility Group Box (HMGB) proteins are essential nuclear factors that maintain the high-order structure of chromatin, keeping eukaryotic cells viable. Outside the nucleus, secreted ...
Since the domestication of the urus, 10.000 years ago, mankind utilizes bovine milk for different purposes. Besides usage as a nutrient also the external application of milk on skin has a long tradition going back to at least the ancient Aegypt with Cleopatra VII as a great exponent. In order to test whether milk has impact on skin physiology, cultures of human skin fibroblasts were exposed to ...
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