Browsing Biological & Environmental Sciences by Title
Now showing items 626-645 of 915
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No longer locally extinct? Tracing the origins of a lion (Panthera leo) living in Gabon
( Springer Netherlands , 2018 , Article)Lions (Panthera leo) are of particular conservation concern due to evidence of recent, widespread population declines in what has hitherto been seen as a common species, robust to anthropogenic disturbance. Here we use ... -
Novel bioadsorbents based on date pits for organophosphorus pesticide remediation from water
( Elsevier Ltd , 2020 , Article)The aim of the study was to examine the efficiency of date pits as an adsorbent to remove the organophosphate pesticide (profenofos) from water. A thermodynamic study was carried out to determine the homogeneity and ... -
Novel CD44-downstream signaling pathways mediating breast tumor invasion
( Ivyspring International Publisher , 2018 , Article Review)CD44, also known as homing cell adhesion molecule is a multi-structural cell molecule involved in cell-cell and cell-extracellular matrix communications. CD44 regulates a number of central signaling pathways, including ... -
Novel composite materials of modified roasted date pits using ferrocyanides for the recovery of lithium ions from seawater reverse osmosis brine
( Nature Research , 2021 , Article)In this paper, novel composite materials from modified roasted date pits using ferrocyanides were developed and investigated for the recovery of lithium ions (Li+) from seawater reverse osmosis (RO) brine. Two composite ... -
A novel index based on planktonic copepod reproductive traits as a tool for marine ecotoxicology studies
( Elsevier B.V. , 2020 , Article)Copepods are excellent bioindicators of climate change and ecosystem pollution in anthropized coastal waters. This work reviewed the results of previous studies examining changes in egg production rate (EPR), hatching ... -
Novel insights into the nanoadsorption mechanisms of crystal violet using nano-hazelnut shell from aqueous solution
( Elsevier , 2021 , Article)This paper discusses the nanoadsorption mechanisms of crystal violet (CV) using a nano-hazelnut shell (nano-HS) from an aqueous solution. The effect of various factors such as pH, temperature, and initial CV concentration ... -
Novel Prosopis Juliflora Leaf Ethanolic extract as natural Antifungal agent against Botrytis Cinerea: Application on Strawberries’ shelf-life extension
( Qatar University Press , 2021 , Poster)Spoilage from fresh produces is a worldwide concern that accompanies the global increase in food demand. Adverse human health and environmental effects of commercial pesticides is a major public concern. Botrytis cinerea ... -
Novel Prosopis juliflora leaf ethanolic extract as natural antimicrobial agent against food spoiling microorganisms
( Nature Research , 2021 , Article)Fresh produces spoilage is a worldwide concern that accompany the global increase in food demand. Adverse human health and environmental effects of commercial spoilage control agents are major public concern. In this study, ... -
Novel Prosopis juliflora leaf ethanolic extract coating for extending postharvest shelf-life of strawberries
( Elsevier , 2022 , Article)Strawberry (Fragaria x ananassa) is a rich source of nutrients, minerals, and antioxidants including vitamin C. Its susceptibility to mechanical injuries, dehydration, and fungal infections make its postharvest shelf-life ... -
Nox2 activity is required in obesity-mediated alteration of bone remodeling
( Hindawi Limited , 2018 , Article)Despite increasing evidence suggesting a role for NADPH oxidases (Nox) in bone pathophysiology, whether Nox enzymes contribute to obesity-mediated bone remodeling remains to be clearly elucidated. Nox2 is one of the ... -
Nutritional Genomic Approach for Improving Grain Protein Content in Wheat
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Grain protein content (GPC) is a key aspect of grain quality, a major determinant of the flour functional properties and grain nutritional value of bread wheat. Exploiting diverse germplasms to identify genes for improving ... -
Nutritional Requirements to Improve Delta-Endotoxins Production of Bacillus thuringiensis var. kurstaki Using Mixed Designs Modelling
( Springer India , 2017 , Article)Bacillus thuringiensiskurstaki is a soil bacterium that produces insecticidal toxins called delta-endotoxins. In order to increase the toxic crystal concentrations in a low-cost culture medium and thus improve the biopesticide ... -
Observations of brown band disease in the Gulf of Mannar, India
( CSIRO , 2021 , Article)The abundance and frequency of coral diseases have increased significantly during recent decades. The Gulf of Mannar in India has well-established coral reefs that have been affected by various climatic and non-climatic ... -
Observations on the postnatal growth and development of captive Ethiopian hedgehogs, Paraechinus aethiopicus, in Qatar
( Walter de Gruyter GmbH , 2016 , Article)The postnatal growth and development of the Ethiopian hedgehog (Paraechinus aethiopicus) were studied in captivity. Seven females produced seven litters that ranged between two and five young (average 3.3, SE±0.42) with ... -
Observed variability in physical and biogeochemical parameters in the central Arabian Gulf
( Elsevier , 2021 , Article)In situ measurements of physical and biogeochemical variables were conducted along a transect in the Exclusive Economic Zone (EEZ) of Qatar during late summer (September 2014) and winter (January 2015) to investigate their ... -
Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)Background: This paper aims to investigate the occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits. Three adsorbents, namely roasted date pits ... -
Occurrence of epibenthic dinoflagellates in relation to biotic substrates and to environmental factors in Southern Mediterranean (Bizerte Bay and Lagoon, Tunisia): An emphasis on the harmful Ostreopsis spp., Prorocentrum lima and Coolia monotis
( Elsevier B.V. , 2019 , Article)Harmful events associated with epibenthic dinoflagellates, have been reported more frequently over the last decades. Occurrence of potentially toxic benthic dinoflagellates, on the leaves of two magnoliophytes (Cymodocea ... -
Occurrence of Mycotoxins and Toxigenic Fungi in Cereals and Application of Yeast Volatiles for Their Biological Control
( MDPI , 2022 , Article)Fungal infections in cereals lead to huge economic losses in the food and agriculture industries. This study was designed to investigate the occurrence of toxigenic fungi and their mycotoxins in marketed cereals and explore ... -
Omega-3 fatty acid-rich fish oil supplementation prevents rosiglitazone-induced osteopenia in aging mice
( Qatar University Press , 2021 , Poster)Rosiglitazone is an effective insulin-sensitizer, however, associated with bone loss mainly due to increased bone resorption, and bone marrow adiposity, and decreased bone formation. We investigated the effect of the ... -
On the diet of the Pharaoh Eagle Owl, Bubo ascalaphus (Savigny, 1809), in Qatar, with an overview of its feeding habits
( Taylor and Francis Ltd. , 2014 , Article)The diet of Bubo ascalaphus in Qatar was assessed based on pellets collected from the first known nesting site of the species in the country. The pellets contained a total of 68 prey items, representing 9 different species: ...