Biological & Environmental Sciences: المرسلات الحديثة
السجلات المعروضة 741 -- 760 من 920
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Inositol 1,4,5-Trisphosphate Receptors in Hypertension.
( Frontiers Media , 2018 , Article Review)Chronic hypertension remains a major cause of global mortality and morbidity. It is a complex disease that is the clinical manifestation of multiple genetic, environmental, nutritional, hormonal, and aging-related disorders. ... -
Diversity of Bacillus thuringiensis Strains From Qatar as Shown by Crystal Morphology, d-Endotoxins and Cry Gene Content
( Frontiers Media , 2018 , Article)Bacillus thuringiensis (Bt) based insecticidal formulations have been recognized as one of the most successful, environmentally safe and sustainable method of controlling insect pests. Research teams worldwide are in ... -
First genotoxicity assessment of marine environment in Qatar using the local Pearl oyster Pinctada radiata
( Elsevier , 2017 , Article)The Arabian Gulf countries’ marine environment has been subjected to increasing industrial development and anthropogenic pressure, leading to the growing introduction of contaminants into the marine environment, with a ... -
Sestrin2 as a Novel Biomarker and Therapeutic Target for Various Diseases
( Hindawi , 2017 , Article)Sestrin2 (SESN2), a highly conserved stress-inducible metabolic protein, is known to repress reactive oxygen species (ROS) and provide cytoprotection against various noxious stimuli including genotoxic and oxidative stress, ... -
Mercury accumulation in Lethrinus nebulosus from the marine waters of the Qatar EEZ
( Elsevier , 2017 , Article)Total mercury (THg) and methylmercury (MeHg) were recorded in the commercial demersal fish Lethrinus nebulosus, caught from six locations in Qatar EEZ (Exclusive Economic Zone). Concentrations of THg decreased in the ... -
Real-Time PCR Quantification of Metallothionein Gene Expression in Sprague–Dawley Rats Chronically Exposed to Cd
( American Association for Laboratory Animal Science , 2012 , Presentation)Toxicologic impact of Cd leads to multiple human pathologic conditions, and its effect on humans and animals has been extensively studied. Physiologic function of metallothionein (MT1) is not completely understood, but ... -
Hypoxia in the central Arabian Gulf Exclusive Economic Zone (EEZ) of Qatar during summer season
( Elsevier , 2015 , Article)Abstract One of the most fascinating and unexpected discoveries during the Qatar University Marine Expeditions to the marine Exclusive Economic Zone (EEZ) of Qatar in 2000–2001, was the detection of a hypoxic water layer ... -
Uncovering responses of zooplankton community to CO2 acidification in Qatar coastal waters
( Hamad Bin Khalifa University Press , 2016 , Conference Paper)The combustion of fossil fuels is pushing atmospheric concentrations of carbon dioxide (CO2) to unprecedented levels. This rapid increase in atmospheric CO2 is causing global changes, with noticeable increases in temperature, ... -
ANIMAL MODEL FOR CHILDHOOD OBESITY
(2017 , Poster)Obesity has been recognized as a global health problem and linked with chronic diseases such as diabetes mellitus, cardiovascular syndromes, musculoskeletal disorders and some cancers. Children exposed to high carbohydrate, ... -
ENDOTHELIAL NITRIC OXIDE ACTIVITY & BIOAVAILABILITY DURING OBESITY CONDITIONS
(2017 , Poster)Obesity has been recognized as a pandemic and linked with several metabolic dysfunctions. One of the hallmarks in the onset of obesity is the development of hypertension coupled with endothelial dysfunction. (ED) A fundamental ... -
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 ... -
Patulin and patulin producing Penicillium spp. occurrence in apples and apple-based products including baby food
( The Journal of Infection in Developing Countries , 2017 , Article)Introduction: Patulin has raised the international attention because of its health risk. In fact, it has mutagenic, neurotoxic, immunotoxic, genotoxic and gastrointestinal effects in animals. In the present work, patulin ... -
Measurement and modelling of nitrogen dioxide (NO2) emissions: a marker for traffic-related air pollution in Doha, Qatar
( Taylor & Francis , 2015 , Article)In the State of Qatar, recent statistics show a continued increase in the motor-vehicle fleet commensurate with population growth and economic development. This trend, together with the rapid expansion of urban areas and ... -
Investigating chlorophyll and nitrogen levels of mangroves at Al-Khor, Qatar: an integrated chemical analysis and remote sensing approach. Environmental Monitoring and Assessment
( Springer Verlag , 2016 , Article)Mangroves are unique ecosystems that dominate tropical and subtropical coastlines around the world. They provide shelter and nursery to wide variety of species such as fish and birds. Around 73 species of mangroves were ... -
Evaluation of Satellite Retrievals of Chlorophyll-a in the Arabian Gulf
( MDPI , 2017 , Article)The Arabian Gulf is a highly turbid, shallow sedimentary basin whose coastal areas have been classified as optically complex Case II waters (where ocean colour sensors have been proved to be unreliable). Yet, there is no ... -
Cyanomatrix and Cyanofilm
( OMICS International , 2015 , Article)Cyanobacteria are diverse in their habitats, structure, and metabolism that can grow as unicellular or long filaments and secreting high molecular mass polymers (extracellular polymer substances, EPS), which can either be ... -
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. ... -
Amino acids Y229 and F603 are involved in Bacillus thuringiensis Cry1Ac delta-endotoxin stability and toxicity
( Blackwell Publishing , 2012 , Article)Bacillus thuringiensis Cry1Ac toxin shares structurally five conserved blocs with the other δ-endotoxins. To study the role of some amino acids belonging to these regions, two mutations, Y(229) P and F(603) S, were introduced ... -
Evidence of a Role for Aerobic Bacteria in High Magnesium Carbonate Formation in the Evaporitic Environment of Dohat Faishakh Sabkha in Qatar
( Frontiers Media , 2017 , Article)Dolomite (MgCa(CO3)2) is an important petroleum reservoir rock mineral common in ancient sedimentary rocks which is infrequently found in modern environments. The mechanism of dolomite formation remains poorly understood, ... -
Considering the Specific Impact of Harsh Conditions and Oil Weathering on Diversity, Adaptation, and Activity of Hydrocarbon-Degrading Bacteria in Strategies of Bioremediation of Harsh Oily-Polluted Soils
( Hindawi Publishing Corporation , 2017 , Article)Weathering processes change properties and composition of spilled oil, representing the main reason of failure of bioaugmentation strategies. Our purpose was to investigate the metabolic adaptation of hydrocarbon-degrading ...
