Browsing Biological & Environmental Sciences by Type "Conference Paper"
Now showing items 41-60 of 66
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Improvement of PVA gel properties for cell immobilization
( Avestia Publishing , 2019 , Conference Paper)This study investigates the characterization and the ability of polyvinyl alcohol (PVA) gel to be used in the area of wastewater treatment as biomass immobilization matrix. The PVA matrix was prepared through the ... -
Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. Plastic debris dominates the marine litter globally and has been found in the most ... -
Invitro conservation of some rare and threatened desert plants in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Background A range of natural factors, invasive animals and human activity have been severely affecting stability of the ecosystem, resulting in the annihilation of plants habitats and so plant endangerment or even extinction. ... -
Isolation, screening and activity of hydrocarbon-degrading bacteria from harsh soils
( Avestia Publishing , 2016 , Conference Paper)The study of microbial communities in relation to their ecology, interaction, and genetics must be covered in Qatar with special soil, weather and water. Microorganisms of an environment never having been exposed to such ... -
Laundry wastewater treatment using ultrafiltration under different operating conditions
( American Institute of Physics Inc. , 2018 , Conference Paper)The laundry wastewater of one of the hospitals in Qatar was selected and studied. It was found that hospital laundry is releasing considerable amount of wastewater i.e. 1800 - 2500 liters/cycle while washing 40 - 50 kg of ... -
Mediation of carbonate minerals formation by aerobic bacterial strains isolated from Dohat Faishakh Sabkha in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Carbon dioxide (CO2) is increasingly released to the environment as a result of the extensive use of various industrial facilities. According to the Intergovernmental Panel on Climate Change Report (2015), cumulative ... -
Microbial Mats from the Khor Al-Adaid Sabkha, Qatar: Morphotypes and Association with Authigenic Minerals
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The sabkhas (i.e., salt flats) of Qatar are among the rare places on Earth where carbonate and sulfate minerals similar to those constituting economically important hydrocarbon reservoirs are still forming today, under the ... -
Minimizing wind erosion using microbial induced carbonate precipitation
( American Society of Civil Engineers (ASCE) , 2019 , Conference Paper)This research focuses on investigating the effectiveness of microbial-induced carbonate precipitation (MICP) to reduce the potential for wind erosion. This paper summarizes the results of preliminary wind tunnel experiments. ... -
Optimized extraction and identification of functional Orthosiphon stamineus proteins
( OMICS , 2018 , Conference Paper)The plant, Orthosiphon stamineus (cat whiskers) is a medicinal herb belonging to the family Lamiaceae, and the plant leaves are commonly used as the herbal tea, popularly known as Java tea. It is used as a diuretic agent ... -
Origanum Syriacum Inhibits Proliferation, Migration, Invasion and Induces Differentiation of Human Aortic Smooth Muscle Cells
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Cardiovascular diseases (CVDs) are still the number one cause of morbidity and mortality both in Qatar and worldwide. A major risk factor of CVDs is atherosclerosis, the hardening of blood vessels caused by decreased ... -
Phytoremediation of heavy metals using Qatari flora
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Phytoremediation is a natural phenomenon utilizing plants species to reduce or remove organic and inorganic pollutants from contaminated soil, water and sediment sources. Several studies were conducted to demonstrate the ... -
Preliminary results on carbon and nutrients fluxes at the sediment-water interface in natural and planted mangroves, central Arabian Gulf
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Despite the many ecological services and benefits provided by the mangrove ecosystem, deforestation of mangrove ecosystem for industrial and other development has caused irreversible damage in coastal regions throughout ... -
Roasted-modified Date Pits In Remediation Of Bromide Ions From Desalinated Water: Kinetic Studies
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Disinfection of drinking water is one of the extreme public health activities in Qatar. Chlorination, ozonation, ultra-violet, chloramination, and others are the most important treatment processes used and they can cause ... -
Solvent Extraction Of Total Petroleum Hydrocarbons From Contaminated Soils In Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)The increase of soil and water contamination, caused by oil leakages during transportation and storage of petroleum components, present serious threat to human health and the environment. Total petroleum hydrocarbons (TPH) ... -
Study the Potential Use of Waste Water Grown Microalgae Biomass as Biofertilizer
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Liquid wastewater streams that contain nitrogen must be treated before being discharged into the environment to prevent eutrophication. Already there are several existing conventional treatment technologies that can remove ... -
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 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 status of harmful algae in the Arabian Gulf
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)In the ocean, microscopic plankton algae constitute a crucial food supply for filter- feeding bivalves, shellfish (oyster, mussels, scallop and clams), as well as larvae of commercially important crustaceans and finfish. ... -
Treatment of Sand Using Microbial-Induced Carbonate Precipitation (MICP) for Wind Erosion Application
( American Society of Civil Engineers (ASCE) , 2018 , Conference Paper)Microbial-induced carbonate precipitation (MICP) has been used to improve soil properties for different geotechnical applications. This research focuses on evaluating the use of MICP for the wind erosion application. The ... -
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, ...