Browsing Biological & Environmental Sciences by Title
Now showing items 717-736 of 809
-
Survey and identification of date palm pathogens and indigenous biocontrol agents
( American Phytopathological Society , 2020 , Article)Fungal diseases are considered a major threat to plant growth and productivity. However, some beneficial fungi growing in the same environment protect plants from various pathogens, either by secreting antifungal metabolites ... -
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 ... -
Sustainable and long-term management of municipal solid waste: A review
( Elsevier , 2022 , Article)This study investigates landfill and incineration waste management strategies as potential and prevalent traditional methods of disposing of municipality-generated waste because of their cheapness and simplicity but requires ... -
Sustainable and long-term management of municipal solid waste: A review
( Elsevier Ltd , 2022 , Article)This study investigates landfill and incineration waste management strategies as potential and prevalent traditional methods of disposing of municipality-generated waste because of their cheapness and simplicity but requires ... -
Sustainable livelihood framework-based indicators for assessing climate change vulnerability and adaptation for Himalayan communities
( Elsevier B.V. , 2017 , Article)This study evaluated the climate change vulnerability of Himalayan communities, and their potential to adapt to these changes, through assessing their perceived reactions and counter-actions to climate change. The evaluation ... -
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 ... -
Synergism between nigella sativa seeds extract and synthetic antibiotics against Mec A gene positive human strains of staphylococcus aureus
( Asian Network for Scientific Information , 2017 , Article)Background and Objective: Synergistic combinations of various antimicrobial agents have been introduced as extra successful strategies to combat multidrug resistant (MDR) infections. This study was undertaken to evaluate ... -
Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine
( Elsevier , 2023 , Article)This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ... -
Synthesis of silver nanoparticles using Bacillus velezensis M3-7 lipopeptides: Enhanced antifungal activity and potential use as a biocontrol agent against Fusarium crown rot disease of wheat seedlings
( Elsevier , 2023 , Article)Bacillus velezensis M3-7 is a hyperactive mutant, 12-fold improved in its antifungal activity, obtained during a previous study from the wild strain BLB371 after a combination of random mutagenesis and medium component ... -
Systematic laboratory approach to produce Mg-rich carbonates at low temperature
( Royal Society of Chemistry , 2021 , Article)Dolomite is a common Mg-rich carbonate in the geological record, but the mechanism of its formation remains unclear. At low temperature, the incorporation of magnesium ions into the carbonate minerals necessary to form ... -
The assessment of cadmium, chromium, copper, and nickel tolerance and bioaccumulation by shrub plant Tetraena qataranse
( Nature Publishing Group , 2019 , Article)Heavy metals constitute some of the most significant environmental contaminants today. The abundance of naturally growing Tetraena qataranse around Ras Laffan oil and gas facilities in the state of Qatar reflects its ... -
The biogeochemical iron cycle and astrobiology
( Springer International Publishing , 2016 , Article)Biogeochemistry investigates chemical cycles which influence or are influenced by biological activity. Astrobiology studies the origin, evolution and distribution of life in the universe. The biogeochemical Fe cycle has ... -
The Causes and Effects of Mercury and Methylmercury Contamination in the Marine Environment: A Review
( Springer Science and Business Media Deutschland GmbH , 2022 , Article Review)Purpose of Review: The concern of mercury pollution and the impact that it poses on the marine environment were studied heavily since the case of the poison from Minamata bay in the 1960s. The present study provides an ... -
The characteristics, occurrence, and toxicological effects of patulin
( Elsevier Ltd , 2019 , Article Review)Mycotoxins are the secondary metabolites secreted by different types of fungi to which humans can get exposed mainly via ingestion. Patulin (C7H6O4)is a polyketide lactone produced by various fungal specifies, including ... -
The combinatory effect of Cyt1Aa flexibility and specificity against dipteran larvae improves the toxicity of Bacillus thuringensis kurstaki toxins
( Elsevier B.V. , 2019 , Article)Cyt1A98 is a novel cytolytic protein, from BUPM98 Bacillus thuringiensis strain, characterized by its synergistic activity with B. thuringiensis kurstaki toxins against lepidopteran larvae. In this study, we evidenced that ... -
The impact of total quality management and entrepreneurial orientation on organizational performance
( Emerald Group Publishing Ltd. , 2016 , Article)Purpose One of the primary goals of this study was to examine the joint effect of entrepreneurial orientation and Total Quality Management on the organizational performance. Design/methodology/approach To examine the ... -
The Influences of Produced Water Irrigation on Soil microbial succession and Turfgrass Grass Establishment in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The Influences of Produced Water Irrigation on Soil microbial succession and Turfgrass Grass Establishment in Qatar Sameera S. Shaikh, Mohammed H. Abu-Dieyeh*, Fatima A. Al Naemi, Talaat Ahmed, and Mohammad A. Alghouti ... -
The integrated/hybrid membrane systems for membrane desalination
( Elsevier , 2021 , Book chapter)Freshwater scarcity is a global issue that is further exacerbated by both economic and population growth. Membrane desalination possesses the potential to address water stress issues, but membrane fouling has affected its ... -
The potential impact of climate change on linkages between above and below ground communities in low diversity ecosystems in extreme environments
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)There is growing evidence that ecosystem function depend on biodiversity. For example, experimental studies with different number of plant species show that microbial biomass, fungal abundance and N mineralisation rates ... -
The power of phytochemicals combination in cancer chemoprevention
( Ivyspring International Publisher , 2020 , Article Review)Conventional therapies for cancer treatment have posed many challenges, including toxicity, multidrug resistance and economic expenses. In contrast, complementary alternative medicine (CAM), employing phytochemicals have ...
