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السجلات المعروضة 141 -- 150 من 223
Evaluation of Apoptotic, Antiproliferative, and Antimigratory Activity of Origanum syriacum against Metastatic Colon Cancer Cells
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Taylor and Francis Inc.
, 2019 , Article)
The effect of an ethanolic extract of fresh leaves of Origanum syriacum (OSEE) on the proliferative, apoptotic, and migratory capacities of LoVo and SW620 colon cancer cells was investigated. OSEE showed a concentration-dependent ...
Assessment of food safety knowledge, self-reported practices, and microbiological hand hygiene levels of produce handlers in Qatar
(
International Association for Food Protection
, 2019 , Article)
Food handling across the custody chain from production to consumption is one of the most important stages in which microbes can enter food from infected food handlers or due to cross-contamination. The wholesale produce ...
Evaluation of pesticide residues of organochlorine in vegetables and fruits in Qatar: statistical analysis
(
Springer Verlag
, 2016 , Article)
The study aimed to examine the residues of organochlorines pesticides (OCPs) in vegetables and fruits in Qatar. A total of 127 samples was studied. Ninety percent of the imported samples recorded residues above the maximum ...
Characterization of tunisian Bacillus thuringiensis strains with abundance of kurstaki subspecies harbouring insecticidal activities against the lepidopteran insect ephestia kuehniella
(
Springer US
, 2010 , Article)
The study of 257 crystal-producing Bacillus thuringiensis isolates from bioinsecticide free soil samples collected from different sites in Tunisia, was performed by PCR amplification, using six primer pairs specific for ...
Spread of the yellow-legged hornet Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae) across Northern Spain
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European and Mediterranean Plant Protection Organization
, 2015 , Article)
The yellow-legged hornet�Vespa velutina nigrithorax�du Buysson (Hymenoptera: Vespidae) is an Asian native species which has now established in parts of Europe. Since its detection in France in 2005 it has spread quickly ...
Antibiotics in hospital effluent and domestic wastewater treatment plants in Doha, Qatar
(
Elsevier Ltd
, 2019 , Article)
Wastewater samples were collected from the main hospital’s effluent (HWW), influents and effluents of the old wastewater treatment plant (OWWTP) built in 1990 and the new one (NWWTP) built in 2010 located in Doha, Qatar. ...
Detoxification of mercury pollutant leached from spent fluorescent lamps using bacterial strains
(
Elsevier Ltd
, 2016 , Article)
The spent fluorescent lamps (SFLs) are being classified as a hazardous waste due to having mercury as one of its main components. Mercury is considered the second most toxic heavy metal (arsenic is the first) with harmful ...
Improvement of Photorhabdus temperata bioinsecticides production in low-cost media through adequate fermentation technology
(
Wiley Subscription Services, Inc.
, 2012 , Article)
To develop a cost effective process for bioinsecticides production by Photorhabdus temperata, dissolved oxygen (DO) requirements were investigated in both the complex and the optimized media using diluted seawater as a ...
Susceptibility of Agrotis segetum (noctuidae) to Bacillus thuringiensis and analysis of midgut proteinases
(
Taylor & Francis
, 2015 , Article)
Seventy-eight Bacillus thuringiensis isolates were selected for a screening against the Lepidoptera species Agrotis segetum to search the higher insecticidal activity. In a preliminary bioassay, the spore-crystal mixture ...
Modeling spatiotemporal variations in leaf coloring date of three tree species across China
(
Elsevier B.V.
, 2018 , Article)
Autumn phenology can regulate climate-biosphere interactions and net primary production within the ecosystem. However, studies modeling spatiotemporal variations in leaf coloring date (LCD) remain limited, especially for ...