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Cry4Ba and Cyt1Aa proteins from Bacillus thuringiensis israelensis: Interactions and Toxicity mechanism against Aedes aegypti
(
Elsevier Ltd
, 2015 , Article)
Individual crystal proteins from Bacillus thuringiensis israelensis exhibit variable levels of insecticidal activities against mosquito larvae. In all cases, they are much less active compared to the whole crystal proteins ...
Sustainable production of toxin free marine microalgae biomass as fish feed in large scale open system in the Qatari desert
(
Elsevier Ltd
, 2015 , Article)
Mass cultivation of microalgae biomass for feed should be cost effective and toxin free. Evaporation loss in Qatar can be as high as 2 cm/d. Hence, production of marine microalgae biomass in Qatar would also require ...
Fungal and aflatoxin contamination of marketed spices
(
Elsevier Ltd
, 2014 , Article)
Fourteen spice samples were collected from local markets in Doha, Qatar, during 2012, and were surveyed for the presence of potentially harmful mycoflora and for contamination with aflatoxins B1, B2, G1, and G2 by ...
Involvement of oxidative stress and growth at high cell density in the viable but nonculturable state of Photorhabdus temperata ssp. temperata strain K122
(
Elsevier Ltd
, 2010 , Article)
Photorhabdus temperata ssp. temperata strain K122 represents a promising source of bioinsecticide. When cultured in an optimized medium, P. temperata exhibited restricted survival in terms of colony-forming ability on solid ...
The Gulf: A young sea in decline
(
Elsevier Ltd
, 2009 , Article)
This review examines the substantial changes that have taken place in marine habitats and resources of the Gulf over the past decade. The habitats are especially interesting because of the naturally high levels of temperature ...
The potential of papain and alcalase enzymes and process optimizations to reduce allergenic gliadins in wheat flour
(
Elsevier Ltd
, 2016 , Article)
The objectives of this study were to select effective enzymes that catalyze the hydrolysis of allergenic proteins, gliadins, in wheat flour and to optimize the enzymatic treatment conditions. Six proteases were tested. ...
Characterization of bioactive compounds and ameliorative effects of Ceratonia siliqua leaf extract against CCl4 induced hepatic oxidative damage and renal failure in rats
(
Elsevier Ltd
, 2011 , Article)
Ceratonia siliqua is a typical Mediterranean plant, mainly used in food and Tunisian traditional folk medicine. Among the tested extracts, the ethyl acetate fraction (EACs) exhibited the highest total phenolic and flavonoids ...
Antioxidant constituents from Lawsonia inermis leaves: Isolation, structure elucidation and antioxidative capacity
(
Elsevier Ltd
, 2011 , Article)
The antioxidant potential of different fractions of Lawsonia inermis (Lythraceae) was investigated. The n-butanolic fraction showed the highest yield of extraction; it also exhibited a strong antioxidant activity in the ...
Biodiversity and possible utilization of halophytes in Qatar
(
Springer International Publishing
, 2021 , Book chapter)
Climate change, nature destruction, food security, and accessibility to fresh water are all the most concerning world issues facing humanities. There are many solutions to minimize the adverse effects of such environmental ...
Eutrophication in the coastal waters of Alexandria following the increase in phosphorus load
(
Parlar Scientific Publications
, 1996 , Article)
Samples from the coastal waters of Alexandria during 1991-1993 indicate a remarkable increase in the phosphorus load from 870 to 1140 kg y-1 compared to 567 kg y-1 in 1986 raising the average phosphorus from 1.01 to 1.47 ...