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Chemical composition and evaluation of antioxidant and antimicrobial activities of Tunisian Thymelaea hirsuta with special reference to its mode of action
(
Elsevier B.V.
, 2013 , Article)
In the present study, we evaluated in vitro antimicrobial and antioxidant properties of Thymelaea hirsuta extracts as well as its phytochemical composition. Total phenolic and flavonoid contents were highest in acetone and ...
Agrotis segetum midgut putative receptor of Bacillus thuringiensis vegetative insecticidal protein Vip3Aa16 differs from that of Cry1Ac toxin
(
Elsevier Inc.
, 2013 , Article)
Considering the fact that Agrotis segetum is one of the most pathogenic insects to vegetables and cereals in the world, particularly in Africa, the mode of action of Vip3Aa16 of Bacillus thuringiensis BUPM95 and Cry1Ac of ...
PS/TiO2 (polystyrene/titanium dioxide) composite nanofibers with higher surface-to-volume ratio prepared by electrospinning: Morphology and thermal properties
(
John Wiley & Sons, Ltd.
, 2013 , Article)
Polystyrene (PS)/Titanium dioxide (TiO2) composite nanofibers were prepared by electrospinning of PS/TiO2 solution in N,N-dimethylformamide (DMF). The effect of PS and TiO2 concentration on the morphology and thermal ...
Diabetes Treatment Satisfaction Questionnaire – An Arabic adaptation for Qatar
(
Elsevier
, 2013 , Article)
The Diabetes Treatment Satisfaction Questionnaire is recommended by the World Health Organization and the International Diabetes Federation for assessing diabetes care. We conducted a systematic linguistic adaptation of ...
Trusted News Sources’ Measures and their Relationships to Social and Public Attitudes: An Analysis of the First Annual Omnibus Survey of Life in Qatar
(
Georgia State Univesrity
, 2013 , Article)
An overwhelming majority (77 percent) of Qatari Nationals reported television as their most
trusted local news source (87 percent for Arab/regional news and 89 percent for international
news), and 80 percent rated the ...
Correlation between delta-endotoxin and proteolytic activities produced by Bacillus thuringiensis var. kurstaki growing in an economic production medium
(
Taylor & Francis
, 2013 , Article)
Bacillus thuringiensis is a Gram positive bacterium that produces an insecticidal crystalline protein making it one of the most important biocontrol agents for pest management. Bioinsecticides based on B. thuringiensis ...
Fast and memory-efficient algorithms for computing quadratic time–frequency distributions
(
Elsevier Inc
, 2013 , Article)
Algorithms for computing time–frequency distributions (TFDs) limit computation time by reducing numerical operations. But these fast algorithms do not reduce the memory load. This article presents four TFD algorithms to ...
Charge-transfer complexes formed in the reaction of 1,4,7,10-tetraazacyclododecane with π-electron acceptors
(
Elsevier
, 2013 , Article)
Abstract The reactions of the electron donor 1,4,7,10-tetraazacyclododecane (TACDD) with the π-electron acceptors 7,7,8,8-tetracyanoquinodimethane (TCNQ), tetracyanoethylene (TCNE), 2,3-dichloro-5,6-dicyano-p-benzoquinone ...
The Qatar National Professional Standards for School Leaders: a critical discourse analysis using Habermas’ theory of knowledge constitutive interests
(
Taylor & Francis
, 2013 , Article)
Qatar is in the midst of a massive educational reform, Education for a New Era. Influence
by neoliberalism, one principle of the reform is the development of a standards-based
system including the adoption of the Qatar ...
العدل فى ضوء القرآن الكريم
(
جامعة الازهر - مركز صالح عبداالله كامل للاقتصاد الإسلامي
, 2013 , Article)
الحمد الله، والصالة والسلام على رسول الله محمد بن عبد الله، وعلى آلة وأصحابه، ومن اهتدى بهداه. أما بعد (فيقول "صلى اهلل عليه وسلم": "إذا ضيعت الأمانة فانتظر الساعة. قال: كيف إضاعته يا رسول الله؟ قال: إذا أسند الأمر إلى ...