Browsing by Title
Now showing items 19835-19854 of 49434
-
Prenatal and early life origins of adolescence sleep problems: evidence from a birth cohort.
( De Gruyter , 2018 , Article)Purpose This study aims to identify the prenatal and early life predictors of adolescence sleep problems. Methods Sleep data (n = 5081) from the 14-year (13.92 ± 0.34 years) follow-up of a birth cohort were analyzed to ... -
Prenatal Development of the Guinea Pig Kidney Quantitative And Qualitative Morphology
( Qatar University , 1993 , Article)The normal prenatal development of the guinea pig kidney was investigated utilizing quantitative and qualitative histologic methods and microdissection technique during the last of the gestation period (day 46 to day 66). ... -
Prenatal psychological distress and 11β-HSD2 gene expression in human placentas: Systematic review and meta-analysis
( Elsevier , 2024 , Article Review)BackgroundThe placenta acts as a buffer to regulate the degree of fetal exposure to maternal cortisol through the 11-Beta Hydroxysteroid Dehydrogenase isoenzyme type 2 (11-β HSD2) enzyme. We conducted a systematic review ... -
Preoperative Physical Activity Level and Exercise Prescription in Adults With Obesity: The Effect on Post-Bariatric Surgery Outcomes
( Frontiers Media , 2022 , Article Review)This systematic review summarizes current evidence on the relation between preoperative physical activity (PA) levels with bariatric surgery (BS) outcomes and on the beneficial role of preoperative exercise/PA program among ... -
Preparation and characterisation of Ce:YAG -polycarbonate composites for white LED
( Elsevier , 2016 , Article)Ce:YAG-polycarbonate composites were prepared with several amounts of Ce:YAG in the range 0.1–5 wt.% by using melt compounding. The structure and morphology of the composites were investigated by means of X-ray diffractometry ... -
Preparation and characterisation of Ce:YAG -polycarbonate composites for white LED.
( Elsevier , 2016 , Article)Ce:YAG-polycarbonate composites were prepared with several amounts of Ce:YAG in the range 0.1 e5 wt.% by using melt compounding. The structure and morphology of the composites were investigated by means of X-ray diffractometry ... -
Preparation and characterization of alumina HDPE composites
( MDPI AG , 2020 , Article)In this study, effects of two different types of porous alumina nanoparticles have been incorporated into high-density polyethylene (HDPE) to study their impact on the properties of the HDPE composite. The dispersion of ... -
Preparation and characterization of EVA/PLA/sugarcane bagasse composites for water purification
( SAGE Publications , 2017 , Article)Poly(lactic acid)/ethylene vinyl acetate blends and poly(lactic acid)/ethylene vinyl acetate/sugarcane bagasse composites were prepared by melt mixing. The lower viscosity of poly(lactic acid), the lower interfacial tension ... -
Preparation and Characterization of Fe3O4 nanoparticles and Its Application in Produced Water Treatment and Oil Recovery
( Qatar University Press , 2020 , Poster)Recently, considerable amounts of oil were produced from petroleum industries and lead to serious environmental problems. In this study, Fe3O4 (MNPs) were prepared using combustion synthesis method at temperature range ... -
Preparation and characterization of flexible all solid state CNT/MnO2 Supercapacitors
(2018 , Master Thesis)In this work, CNTs/MnO2 hybrid supercapacitors were prepared using RF magnetron sputtering as deposition technique. The as-prepared composite materials were characterized by different morphology and spectroscopy techniques, ... -
Preparation and characterization of green graphene using grape seed extract for bioapplications
( Elsevier Ltd , 2016 , Article)The development of functionalized graphene materials concerning health and environmental aspects via green approaches is currently the most recent topic in the field of nanoscience and nanotechnology. Herein, we report the ... -
Preparation and Characterization of Letrozole-Loaded Poly (D,L-Lactide) Nanoparticles for Breast Cancer Therapy
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Introduction: Breast cancer has been ranked first as the most prevalent type of cancer and the leading cause of cancer-related mortality among women worldwide. Letrozole (LTZ), an aromatase inhibitor, has been shown to be ... -
Preparation and characterization of letrozole-loaded poly(d,l-lactide) nanoparticles for drug delivery in breast cancer therapy
( Taylor and Francis Ltd , 2019 , Article)Letrozole (LTZ), an aromatase inhibitor used for the treatment of hormonally-positive breast cancer in postmenopausal women, has poor water solubility, rapid metabolism, and a range of side effects. In this study, polymer-based ... -
Preparation And Characterization Of Multilayered Electrospun Composite Scaffolds For Biomedical Applications
(2019 , Master Thesis)Electrospinning has gained wide attention recently in biomedical applications. Electrospun biocompatible scaffolds are well-known for biomedical applications such as drug delivery, wound dressing and tissue engineering ... -
PREPARATION AND CHARACTERIZATION OF NANOSTRUCTURE MATERIAL FOR BIOLOGICAL APPLICATION
(2023 , Master Thesis)Currently, nanomaterial has gained much attention in medical applications. Two different nanostructured materials were synthesized for biomedical purposes in this approach. Firstly, a composite of bimetallic nanoparticles ... -
Preparation and characterization of new electrically conductive composites based on expanded graphite with potential use as remote environmental detectors
( MDPI AG , 2020 , Article)The presented paper is focused on studying electrically conductive composites based on an elastomeric matrix and expanded graphite as the filler. A potential application as an environmental remote detector was studied. The ... -
PREPARATION AND CHARACTERIZATION OF POLYMERIC FOAMS FOR REMOVAL OF FREE OIL FROM WATER
(06-2 , Master Thesis)Development of polymeric foams for removal of oily pollutants (spills) from water is a key target of this thesis. Pollutants occur in the form of free oil (floating on the water surface) or oil/water macroscopic, non-stabilized ... -
Preparation and characterization of urea-formaldehyde microcapsules filled with paraffin oil
( Springer Verlag , 2016 , Article)Paraffin oil was encapsulated in a urea–formaldehyde polymer shell by in situ polymerization. The effect of modifying the fabrication parameters, specifically the emulsifier, the core material concentration, the stirring ... -
Preparation and characterization of wollastonite/titanium oxide nanofiber bioceramic composite as a future implant material
( Elsevier , 2016 , Article)In this study, novel composites consisting of electrospun titanium dioxide (TiO2) nanofibers incorporated into high-purity wollastonite glass ceramics were prepared as materials for use in hard tissue engineering applications. ... -
Preparation and optical parameter characterization of two aldehyde derivative thin films for photonic applications by drop casting method
( John Wiley and Sons Ltd , 2020 , Article)In this study, thin films of polymer poly(methyl methacrylate) were prepared using a drop casting method. Two newly synthesized aldehyde derivatives, 2-bromomalonaldehyde and 5,6-dihydroimidazo[2,1-b]thiazole-2-carbaldehyde, ...
