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All that glitters is not gold: Challenges of teacher and school leader licensure licensing system in Qatar
(
Elsevier Ltd
, 2012 , Article)
In 2001, the Government of Qatar began a comprehensive education reform (Education for a New Era)
based on RAND’s recommendations and options for building an educational system that would meet the
country’s changing ...
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 ...
Wear resistance investigation of titanium nitride-based coatings
(
Elsevier Ltd
, 2015 , Article)
The wear of components while they are in service is a predominant factor controlling the life of machine components. Metal parts are often damaged because of wear-driven failures causing the loss of dimensions and ...
Computational study on oxynitride perovskites for CO2 photoreduction
(
Elsevier Ltd
, 2016 , Article)
The photocatalytic conversion of CO2 into chemical fuels is an attractive route for recycling this greenhouse gas. However, the large scale application of such approach is limited by the low selectivity and activity of the ...
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. ...
Allergenicity of roasted peanuts treated with a non-human digestive protease
(
Elsevier Ltd
, 2015 , Article)
Peanut allergy is a severe and lifelong type of food allergy triggered by allergenic proteins and peptides in peanuts. This study investigated the effects of ultrasound-assisted alcalase treatment on the concentrations of ...
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 ...
Effect of microstructural evolution on wettability and tribological behavior of TiO2 nanotubular arrays coated on Ti–6Al–4V
(
Elsevier Ltd
, 2015 , Article)
Self-organized TiO2 nanotubular arrays were fabricated by electrochemical anodization of Ti–6Al–4V plates in an NH4F/H3PO4 electrolyte. The effect of microstructural evolutions on the wettability and tribological behavior ...
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 ...
TiO2 nanotube coating on stainless steel 304 for biomedical applications
(
Elsevier Ltd
, 2015 , Article)
The present study describes the anodic growth of TiO2 nanotube thin layer on stainless steel 304 in ethylene glycol/water/ammonium fluoride electrolyte. In this regard, pure titanium was coated on stainless steel 304 ...