تصفح Research Units حسب العنوان
السجلات المعروضة 3198 -- 3217 من 4653
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PriviPK: Certificate-less and secure email communication
( Elsevier Ltd , 2017 , Article)We introduce PriviPK, an infrastructure that is based on a novel combination of certificateless (CL) cryptography and key transparency techniques to enable e2e email encryption. Our design avoids (1) key escrow and deployment ... -
Probabilistic human health risk assessment of trace elements in ballast water treated by reverse osmosis desalination plants
( Elsevier , 2023 , Article)Very few studies have paid attention to the transport of heavy and toxic metals via ballast water coming from different countries of the world. In the present study, ballast water samples (n = 83) were collected from ships, ... -
Probing into the properties of B4C reinforced nickel phosphorus-based nanocomposite coating
( Elsevier , 2022 , Article)Nickel-based coatings are well known for their good corrosion resistance performance. However, these materials suffer from inferior mechanical properties that limit their wider application. This work investigates the ... -
Probing the fibrillation of lysozyme by nanoscale-infrared spectroscopy
( Taylor and Francis Ltd. , 2021 , Article)Amyloid fibrillation is the root cause of several neuro as well as non-neurological disorders. Understanding the molecular basis of amyloid aggregate formation is crucial for deciphering various neurodegenerative diseases. ... -
Process optimization and method validation for efficient valorization of low- grade coal into humic substances
( Elsevier , 2024 , Article)The exploration of low-grade coal resources and progress in the extraction method of humic substances are the core aims of this study. Ultrasonic and microwave assisted alkali extractions were compared with conventional ... -
Processing and characterization of polyethylene-based composites
( Taylor & Francis , 2015 , Article)Thermoplastic matrix polymer composites have gained commercial success in the semistructural and structural applications. Polyethylene (PE) is one of the most versatile and widely used thermoplastics in the world because ... -
Processing and industrial applications of sustainable nanocomposites containing nanofillers
( Springer International Publishing , 2019 , Book chapter)This book presents emerging economical and environmentally friendly polymer composites that are free of the side effects observed in traditional composites. It focuses on eco-friendly composite materials using granulated ... -
Processing, characterization and modeling of recycled polypropylene/glass fibre/wood flour composites
( Elsevier Ltd , 2014 , Article)Polypropylene (PP) is one of the most common thermoplastic materials in the world. There is a need to recycle the large amount of this used material. To overcome the environmental problems, related to the polymer waste, ... -
Production and characterization of B-glucosidase from Aspergillus niger fermentation: Application for organic fraction of municipal solid waste hydrolysis and methane enhancement. Biotechnology Progress
( American Chemical Society , 2020 , Article)The anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) is currently an attractive treatment process with energy production in the form of bio- gas. Hydrolysis is the rate-limiting step for the ... -
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
( Elsevier , 2021 , Article)Electrospinning technique was employed to fabricate composite nanofibers/nanoparticles of sulfonated polyether ether ketone, polyvinylpyrrolidone, and ruthenium oxide (sPEEK/PVP/RuO2). The samples were synthesized with ... -
Production of biolubricant from renewable feedstocks from Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Due to increase in environmental pollution and decline in petroleum reserves, there is an increase in the demands of developing alternative renewable bio-based products. Petroleum and lubricant manufacturing companies are ... -
Production of flexible nanocomposite membranes for x-ray detectors
( Elsevier , 2020 , Article)Flexible membranes of poly(vinyl alcohol) (PVA) polymer and CuO nanoparticles for x-ray detection applications are reported in this work. PVA represents a polymer matrix for nanoparticles, and its flexibility and electrical ... -
Production of Long-Acting CNGRC–CPG2 Fusion Proteins: New Derivatives to Overcome Drug Immunogenicity of Ligand-Directed Enzyme Prodrug Therapy for Targeted Cancer Treatment
( SAGE , 2021 , Article)Objectives: Aminopeptidase N (APN) is an enzyme highly expressed in metastatic cancers and could be used in targeted cancer therapy. Our previous work showed the successful construction of CNGRC–carboxypeptidase G2 (CPG2) ... -
Production of phycocyanin by Leptolyngbya sp. in desert environments
( Elsevier , 2020 , Article)Leptolyngbya sp. QUCCCM 56 was investigated as a possible alternative to A. platensis, for the production of phycocyanin-rich biomass under desert conditions. Under elevated temperatures and light intensities, of up to 40 ... -
Production of Polyhydroxyalkanoates by Two Halophilic Archaeal Isolates from Chott El Jerid Using Inexpensive Carbon Sources
( MDPI AG , 2020 , Article)The large use of conventional plastics has resulted in serious environmental problems. Polyhydroxyalkanoates represent a potent replacement to synthetic plastics because of their biodegradable nature. This study aimed to ... -
Productivity enhancement of solar still with thermoelectric modules from groundwater to produce potable water: A review
( Elsevier B.V. , 2020 , Article Review)Groundwater is recognized as a principal source of water for the drinking, irrigation and many other purposes. Researchers have also used groundwater in the solar distillation to convert it to drinkable water by use of ... -
Productivity forecasting of solar distiller integrated with evacuated tubes and external condenser using artificial intelligence model and moth-flame optimizer
( Elsevier Ltd , 2021 , Article)This paper aims at developing an artificial intelligence model to forecast the water yield of a modified solar distiller integrated with evacuated tubes and an external condenser. The model consists of a hybrid long ... -
Profiling exporting SMEs: The role of innovation-orientation
( Elsevier Inc. , 2022 , Article)Existing evidence suggest that SME exporting is affected by a combination of environmental, firm-level, and owner-level drivers. However, it is not yet clear what constitute the profile of exporting SMEs and whether ... -
Profiling of intestinal microbiota in patients infected with respiratory influenza a and b viruses
( MDPI , 2021 , Article)Little is known about the association between respiratory viral infections and their impact on intestinal microbiota. Here, we compared the effect of influenza types, A and B, and influenza shedding in patients’ stools on ... -
Profiling the Oral Microbiome and Plasma Biochemistry of Obese Hyperglycemic Subjects in Qatar
( MDPI , 2019 , Article)The present study is designed to compare demographic characteristics, plasma biochemistry, and the oral microbiome in obese (N = 37) and lean control (N = 36) subjects enrolled at Qatar Biobank, Qatar. Plasma hormones, ...
