Now showing items 21-40 of 89
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Development of Biofertilizer from Local Qatari Cyanobacteria Strains for Enhancement of Bell Pepper (Capsicum annuum L.) Growth, Yield, and Abiotic Stress Tolerance under Hydroponic System
(06-2 , Dissertation)The beneficial cyanobacteria strain (blue-green algae) Roholtiella sp. QUCCCM97 has been found to be the origin of an eco-friendly and environmentally safe biofertilizer whose extract and biomass were used to increase the ... -
Development of Biosurfactants from Indigenous Hydrocarbon-Degrading Bacteria for Enhancing Remediation of Weathered Oily-Soils and Oil Recovery in Qatar
(2021 , Master Thesis)Bacterial strains were isolated from highly weathered oil-contaminated sites, identified, and differentiated based on their gene expression with the use of matrix assisted laser desorption ionization-time of flight mass ... -
Development of Functionalized Date Pits Adsorbent for the Removal of Boron, Lithium, and Molybdenum from Groundwater in the State of Qatar
(2021 , Dissertation)Groundwater (GW) quality deterioration is one of the main water security issues in Qatar. Although the GW in the State of Qatar is not used as drinking water for the public, it is widely used for agricultural, domestic, ... -
Disinfection By-Products of Chlorine Dioxide (Chlorite, Chlorate, and Trihalomethanes): Occurence in Drinking Water in Qatar
(2014 , Master Thesis)The occurrence of disinfection by-products (DBPs) of chlorine dioxide (ClO₂) in drinking water, namely: chlorite, chlorate, and THMs as well as the concentration of ClO₂ were investigated. Two hundred ninety four drinking ... -
Distinctive Physiology (Growth and Photosynthetic Efficiency) of Qatari Corals Under Variable Dynamic Factors, An Experimental Approach
(2014 , Master Thesis)The Arabian Gulf is well known as being probably the most extreme environment in which zooxanthellate coral reef communities occur. A combination of both extremely high and low temperatures as well as high salinities, ... -
Diversity Of Metazoan Parasites Of Two Reef Associated Fish Species From Qatar (Acanthopagrus Bifasciatus And Pomacanthus Maculosus)
(2018 , Master Thesis)The aim of the present work was to study the parasitic diversity of two coral-reef associated fish species (Acanthopagrus bifasciatus and Pomacanthus maculosus) from Qatari waters. There were eight species of parasites ... -
Dynamics (Seasonal and Intra-diurnal) of air-borne fungal spore population of Doha Area, Qatar
(2016 , Master Thesis)Airborne fungi are considered to cause adverse health impacts on humans, animals and plants. Fungal spores and due to their volume in the atmosphere and small size have an important contribution to the respiratory dysfunctions, ... -
EFFECT OF BIOINSPIRED SYNTHETIC ANTI-MICROBIAL PEPTIDES ON COLORECTAL CANCER CELLS (SW620)
(06-2 , Master Thesis)Colorectal cancer (CRC) is the world's third most common cancer and the second biggest cause of cancer-related deaths. Despite significant advances in CRC therapeutic intervention, cytotoxicity, drug resistance, and adverse ... -
EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATION TOOL FOR PHENOLS REMOVAL FROM WATER
(06-2 , Master Thesis)Phenol removal is a vital environmental concern due to its toxicity and hazard effects. The current study investigates the removal of phenol by Pearl oyster Pinctada imbricata radiata for the first time in this region. The ... -
The Effect Of The Blockade On Governmental Health-Care Services In Qatar
(2018 , Master Thesis)Problem: A good portion of the budget dedicated to the health-care sector every year for laboratory and pharmacy services is spent on patient care, instruments and equipment, medication, software, facilities, and so on. ... -
THE EFFECT OF TREATED WASTE WATER (TWW) ON THE RHIZOSPHERE MICROBIOMES AND THEIR IMPACT ON ARUGULA
(2016 , Master Thesis)Qatar needs to achieve water and food security in an arid climate and maintain its fossil-fuel energy exporting status. Treated wastewater (TWW) can be an alternative source for vegetable crops irrigation in Qatar; however, ... -
EFFECTS OF ACTIVE PHYTOCHEMICALS OF PROSOPIS JULIFLORA AS ANTI-SPOILING AGENTS OF POSTHARVEST FRUITS
(2022 , Master Thesis)Global increase in food demand has made the fresh produce spoilage a worldwide concern. Adverse effects of commercial spoilage control agents on human health and on the environment are major public concern. In this study, ... -
Elemental Composition, Source Tracking, And Air Quality Assessment Of Pm2.5 And Pm10 Pollution In Qatar
(2018 , Master Thesis)Particulate matter (PM) pollution is one of the major environmental pollution issues severely affecting human health and air quality all over the world. Based on the recent World Health Organization (WHO) report, PM ... -
ENHANCING PRODUCED WATER QUALITY USING MODIFIED ACTIVATED CARBON
(2016 , Master Thesis)The formation produced water from natural gas production process in the North field offshore considered largest volume of waste water in Qatar, which could be considered a potential benefits source for the industry as well ... -
Grass Establishment, Weed Populations and Soil Microbial Succession in Turf Grass System as Influenced by Produced Water Irrigation
(2017 , Master Thesis)Agricultural water use is high in a world marred with water scarcity, thus necessitating alternative water resources such as wastewaters. This study attempted to use produced water (PW) to irrigate turf grass - Cynodon ... -
Heavy Metals Hyperaccumulation and the Role of Stress-Induced Proteins in Phytoremediation Mechanism in Selected Qatari Plants
(2020 , Dissertation)Progressive pollution of the environment by trace and heavy metals pose a significant risk and causes diverse human diseases. Current world initiatives to remove these toxic substances from the environment are costly and ... -
Hydrocarbon Degrading Candidate Bacteria Isolated From Qatar Polluted Soil and Molecular Identification of Key Enzymes Coding Genes
(2021 , Master Thesis)Sixteen bacterial strains were isolated form contaminated soils and identified as Bacillus subtilis, Bacillus circulans, Burkholderia cepacia, Pseudomonas aeruginosa, Micrococcus luteus, Raoultella ornithinolytica and ... -
Impact of Environmental and Anthropogenic Conditions on the Reproductive Cycle of the Pearl Oyster Pinctada Imbricata in Qatar
(2021 , Master Thesis)To master the aquaculture of pearl oysters Pinctada imbricada, one must master its reproductive cycle. We investigated it through histology, analysis of water physico chemistry and behavior recording on wild oysters sampled ... -
The impact of using produced water for plant irrigation and its effects on plants and soil characteristics
(2017 , Master Thesis)In this study, locally produced water was physically and chemically characterized. The results showed high concentration of total dissolved solids (TDS), chloride, sodium, boron ions and sodium adsorption ratio as 300, ... -
Impact On Local Pearl Oyster Pinctada Radiata Exposed To Chronic Levels Of Chlorine
(2019 , Professional Masters Project)The marine environment is facing major challenges due to several natural and anthropological stressors, including chemical and thermal pollutions released by coastal industries using seawater for cooling purposes. The ...
