Browsing Biological & Environmental Sciences by Title
Now showing items 12-31 of 94
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Biological Control Of Mycotoxigenic Fungi And Associated Mycotoxins By The Application Of Bacterial And Yeast Antifungal Compounds
(2019 , Master Thesis)Mycotoxins are secondary metabolites of mycotoxigenic fungi and are considered as a serious threaten to the life of humans and animals, since some of these mycotoxins are carcinogenic compounds. In this M.Sc research ... -
Cadmium Modulates Expression of Vascular Alpha 1 Adrenoceptors and Aortic Smooth Muscle Cells Phenotype
(2013 , Master Thesis)Cardiovascular diseases (CVDs) remain the leading cause of death worldwide, including Qatar. Hypertension is one of the most common CVDs that contribute to this mortality. Cadmium (Cd) is a well-known pollutant that has ... -
Cadmium, an Environmental Contaminant with a Potential Role In Modulating Cardiac Matrix Metalloproteinases
(2020 , Master Thesis)Cadmium (Cd) is a toxic heavy metal that is found in the environment from both natural and anthropogenic sources. It is a xenobiotic environmental pollutant with no known essential biological functions. Exposure to ... -
Characterization of Microalgae Species from Qatar Coastal Waters for Animal Feed Production
(2014 , Master Thesis)Food security worldwide is field of major research and investigation to improve and find new resource production systems for a continuously growing world population. The state of Qatar being an arid and with limited arable ... -
CHARACTERIZATION OF QATAR COASTAL BIOFOULING CHALLENGE AND ENVIRONMENTAL INFLUENCES
(2024 , Master Thesis)This research explored the spatial and seasonal variabilities in biofouling challenges at Doha and Ruwais ports in Qatar, using panel deployments under different environmental conditions. Results indicated significant ... -
CONTAMINATION OF ARSENIC IN RICE-BASED BABY FOOD PRODUCTS AND THEIR HEALTH RISKS
(2024 , Master Thesis)This study aims to assess the health risks associated with arsenic exposure in consumers of rice-based infant food products. The consumption patterns of rice-based baby food products among individuals aged 4-12 months in ... -
Date Pits Based Nanomaterials For Thermal Insulation Applications - Towards Energy Efficient Buildings In Qatar
(2019 , Professional Masters Project)Air-conditioning systems make the most significant part of energy consumption in the residential sector. There is no denying that it is essential to produce a comfortable indoor thermal environment for residents in a ... -
Determination of Pesticide Residues of Organochlorine in Some Local and Imported Foods in Qatar
(2015 , Master Thesis)The study was aimed to examine the residues of pesticide in vegetables and fruits in Qatar. The total numbers of samples that were collected were 127 samples of seven most consumed fresh vegetables and fruits from local ... -
Development of a Novel Polymer-Modified Graphene Oxide Nanocomposites for Controlling Calcium Sulfate Scaling and Biofouling on Reverse Osmosis Membrane: Mechanistic Study
(2020 , Dissertation)Reverse Osmosis (RO) is a promising environment friendly desalination technology for clean water production. However, the performance of RO is getting affected by the mineral scaling and biofouling. During this research, ... -
DEVELOPMENT OF A NOVEL TAILORED ION-IMPRINTED POLYMER FOR RECOVERY OF LITHIUM AND STRONTIUM FROM REVERSE OSMOSIS CONCENTRATED BRINE
(06-2 , Master Thesis)Seawater reverse osmosis (SWRO) desalination plants produce a large volume of brine containing a variety of concentrated metals, causing environmental concerns and obstacles. The innovation of this project is to prepare ... -
Development Of A Protocol For Culturing And Maintaining Seagrass, Halodule Uninervis, Under Laboratory Conditions And Its Application To Determine Impacts Of Light On Seagrass Growth
(2019 , Professional Masters Project)Seagrass meadows are an important component of the marine ecosystem as they not only contribute nutrients and organic carbon to the nutrient cycle, but also, provide food, habitat and nursery grounds for a plethora of ... -
Development Of Bio-Insecticides Based On Local Qatari Bacillus Thuringiensis Strains For The Biological Control Of Harmful Dipteran Disease Vectors
(2019 , Dissertation)The very friendly bacterium Bacillus thuringiensis (Bt) is the main source of environment-friendly and safe bioinsecticides used in the control of plant pests and animal and human disease vectors. A collection of 441 Qatari ... -
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 ...