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Hypolithic cyanobacteria colonization of quartz at South Desert
(
Science Publications
, 2014 , Article)
Hypolithic microbial communities (found underneath rocks) were encountered in the southern desert of Qatar where quartz rocks are ubiquitous and are a substrate for hypoliths. These hypoliths thrive where extreme temperature, ...
A comparison of physiological and transcriptome responses to water deprivation and salt loading in the rat supraoptic nucleus
(
American Physiological Society
, 2015 , Article)
Salt loading (SL) and water deprivation (WD) are experimental challenges that are often used to study the osmotic circuitry of the brain. Central to this circuit is the supraoptic nucleus (SON) of the hypothalamus, which ...
Studying competitive sorption behavior of methylene blue and malachite green using multivariate calibration
(
Elsevier B.V.
, 2014 , Article)
Sorption of methylene blue MB and malachite green MG (with 96.4% spectral overlap) from bi-solute solution by natural kaolinitic-clay and philipsite-rich-zeolite tuff was addressed where solutes simply quantified using ...
Foraging in space and time structure an African small mammal community
(
Springer Verlag
, 2014 , Article)
We used live-trapping and foraging to test for the effect of habitat selection and diet on structuring a community of six small mammals and one bird within the Soutpansberg, South Africa. We established grids that straddled ...
Graphene oxide as antimicrobial against two gram-positive and two gram-negative bacteria in addition to one fungus
(
Science Publications
, 2014 , Article)
Graphene based materials have wide potential applications in biology, biomedical, agriculture environmental and biotechnology. Graphene Oxide (GO) is one of those materials and has a promising substance as antimicrobial ...
Disinfection by-products of chlorine dioxide (chlorite, chlorate, and trihalomethanes): Occurrence in drinking water in Qatar
(
Elsevier
, 2016 , Article)
The occurrence of chlorine dioxide (ClO2) disinfection by-products (DBPs) in drinking water, namely, chlorite, chlorate, and trihalomethanes (THMs), was investigated. Two-hundred-ninety-four drinking water samples were ...
Hypoxia in the central Arabian Gulf Exclusive Economic Zone (EEZ) of Qatar during summer season
(
Elsevier
, 2015 , Article)
Abstract One of the most fascinating and unexpected discoveries during the Qatar University Marine Expeditions to the marine Exclusive Economic Zone (EEZ) of Qatar in 2000–2001, was the detection of a hypoxic water layer ...
Assessing safe food handling knowledge and practices of food service managers in Doha, Qatar
(
SAGE Publications Inc.
, 2019 , Article)
The aim of this cross-sectional study was to assess safe food handling practices, food safety knowledge, and adherence to implementation of Hazard Analysis and Critical Control Point among 53 food safety managers working ...
Chemical composition and evaluation of antioxidant and antimicrobial activities of Tunisian Thymelaea hirsuta with special reference to its mode of action
(
Elsevier B.V.
, 2013 , Article)
In the present study, we evaluated in vitro antimicrobial and antioxidant properties of Thymelaea hirsuta extracts as well as its phytochemical composition. Total phenolic and flavonoid contents were highest in acetone and ...
Investigation of the steps involved in the difference of susceptibility of Ephestia kuehniella and Spodoptera littoralis to the Bacillus thuringiensis Vip3Aa16 toxin
(
Elsevier
, 2011 , Article)
BUPM95 is a Bacillus thuringiensis subsp. kurstaki strain producing the Vip3Aa16 toxin with an interesting insecticidal activity against the Lepidopteran larvae Ephestia kuehniella. Study of different steps in the mode of ...