Search
Now showing items 561-570 of 645
Secondary chain motion and mechanical properties of γ-irradiated-regenerated cellulose films
(
Wiley-VCH Verlag
, 2017 , Article)
Regenerated cellulose films prepared using NaOH/urea solvent system were exposed to different doses of γ-radiation, ranging from 5 to 50 kGy to modify their properties. Change in relative crystallinity as a function of ...
Time-resolved terahertz spectroscopy reveals the influence of charged sensitizing quantum dots on the electron dynamics in ZnO
(
Royal Society of Chemistry
, 2017 , Article)
Photoinitiated charge carrier dynamics in ZnO nanoparticles sensitized by CdSe quantum dots is studied using transient absorption spectroscopy and time-resolved terahertz spectroscopy. The evolution of the transient spectra ...
Analysis of CO2 Solubility and Absorption Heat into Aqueous 1-Diethylamino-2-propanol
(
Elsevier
, 2017 , Conference Paper)
In this work, the CO2 equilibrium solubility in 2 M 1-diethylamino-2-propanol (1DEA2P) solution were determined as function of temperature (in the range of 298-333K), and CO2 partial pressure (in the range of 8-101 kPa). ...
Regeneration Energy Analysis of Aqueous Tri-Solvent Blends Containing 2-Amino-2-Methyl-1-Propanol (AMP), Methyldiethanolamine (MDEA) and Diethylenetriamine (DETA) for Carbon Dioxide (CO2) Capture
(
Elsevier
, 2017 , Conference Paper)
This study investigated the contribution of absorption heat, sensible heat and heat of vaporization towards the regeneration energy (Qreg, kJ/g-CO2) of AMP-MDEA-DETA tri-solvent blends. The experiment was conducted at ...
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 ...
Prevalence of antibiotic resistant Escherichia coli isolates from fecal samples of food handlers in Qatar
(
BioMed Central
, 2018 , Article)
Background: It is well documented that food handlers harbor and shed enteric foodborne pathogens causing
foodborne disease outbreaks. However, little known on enteric antibiotic resistant (AR) bacteria carriage in ...
Epstein–Barr Virus Epidemiology, Serology, and Genetic Variability of LMP-1 Oncogene Among Healthy Population: An Update
(
Frontiers Medi
, 2018 , Article Review)
The Epstein–Barr virus (EBV) is a DNA lymphotropic herpesvirus and the causative agent
of infectious mononucleosis. EBV is highly prevalent since it affects more than 90% of
individuals worldwide and has been linked to ...
Growing food pyramids in the sand: how sustainable are Qatar’s self-sufficiency and foreign agro-investment policies?
(
Istituto Agronomico per l'Oltremare (IAO)
, 2017 , Article)
Achieving food security in the Arabian Gulf is no easy task. Fuelled by petrodollars, the countries largely rely on imports to feed their burgeoning population, making them susceptible to price and supply shocks. This paper ...
The frequency of polycystic ovary syndrome in young reproductive females in Qatar
(
Dove Medical Press
, 2016 , Article)
This was a prospective cross-sectional study in which 126 female students between the ages of 18 and 30 years were evaluated for the frequency of polycystic ovary syndrome (PCOS) through clinical interview, questionnaire, ...
Platelets as a Possible Reservoir of HCV And Predictor of Response to Treatment
(
SciTechnol
, 2016 , Article)
In the era of new Hepatitis C Virus (HCV) therapy, and the detection of
extrahepatic HCV reservoirs such as peripheral blood mononuclear
cells and platelets, it is important to understand the factors underlying
resistance ...