Browsing Research Units by Title
Now showing items 3261-3280 of 4991
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Piezoelastic PVDF/TPU nanofibrous composite membrane: Fabrication and characterization
( MDPI AG , 2019 , Article)Poly (vinylidene fluoride) nanofibers (PVDF NFs) have been extensively used in energy harvesting applications due to their promising piezoresponse characteristics. However, the mechanical properties of the generated fibers ... -
Piezoelectric properties of zinc oxide/iron oxide filled polyvinylidene fluoride nanocomposite fibers
( Springer , 2021 , Article)Piezoelectric nanogenerators (PENG) with flexible and simple design have pronounced significance in fabricating sustainable devices for self-powering electronics. This study demonstrates the fabrication of electrospun ... -
Piezoresistive sensors based on electrospun mats modified by 2D Ti3C2Tx MXene
( MDPI AG , 2019 , Article)The preparation methodology and properties of electroconductive, electrospun mats composed of copolyamide 6,10 and Ti3C2Tx are described in this paper. Mats of several compositions were prepared from a solution of n-propanol. ... -
Piezoresponse, mechanical, and electrical characteristics of synthetic spider silk nanofibers
( MDPI AG , 2018 , Article)This work presents electrospun nanofibers from synthetic spider silk protein, and their application as both a mechanical vibration and humidity sensor. Spider silk solution was synthesized from minor ampullate silk protein ... -
Pilot-scale crossflow ultrafiltration of four different cell-sized marine microalgae to assess the ultrafiltration performance and energy requirements
( Elsevier , 2023 , Article)Four marine microalgae (e.g., Tetraselmis, Picochlorum, Dunaliella, and Synechococcus) with different cell sizes were harvested using pilot-scale ultrafiltration. Average permeate fluxes were 16.75, 19, 25.35, and 33.75 ... -
Pilot-scale evaluation of forward osmosis membranes for volume reduction of industrial wastewater
( Elsevier B.V. , 2022 , Article)Water treatment is a key aspect for the sustainable management of oil & gas operations. Osmotic concentration (OC) is an advanced water treatment process, adapted from forward osmosis (FO), that does not require water ... -
Pilot-scale investigation of flowrate and temperature influence on the performance of hollow fiber forward osmosis membrane in osmotic concentration process
( Elsevier Ltd , 2020 , Article)Forward osmosis (FO) relying on the osmotic pressure difference across semi-permeable membrane draws permeate by the effect of saline draw solution (DS) turning diluted and leaving the feed solution (FS) concentrated. ... -
Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis
( Elsevier , 2020 , Article)This study evaluated firstly the performance of the Continuous Stirred Tank bioReactor system (CSTR) for the treatment of highly toxic petroleum refinery wastewaters at the pilot-scale. The reduction of the COD, BOD5, ... -
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
( Taylor and Francis Inc. , 2016 , Article)The outcomes of a pilot-scale study of the rejection of trihalomethanes (THMs) precursors by commercial ultrafiltration/nanofiltration (UF/NF) spiral-wound membrane elements are presented based on a single surface water ... -
Pilot-scale spiral wound membrane assessment for THM precursor rejection from upland waters
( Taylor & Francis , 2016 , Article)The outcomes of a pilot-scale study of the rejection of trihalomethanes (THMs) precursors by commercial ultrafiltration/nanofiltration (UF/NF) spiral-wound membrane elements are presented based on a single surface water ... -
Pilot-scale study on the suspension of drill cuttings: Effect of fiber and fluid characteristics
( Elsevier , 2022 , Article)Drilling operation smoothness is essential to minimize drilling non-productive time (NPT). Inadequate cuttings transport can result in cuttings bed build-up in the wellbore low side, jeopardizing the whole drilling operation. ... -
Pistacia lentiscus by-product as a promising source of phenolic compounds and carotenoids: Purification, biological potential and binding properties
( Elsevier , 2021 , Article)The hydro-distilled leaves of Pistacia lentiscus are considered as an agricultural residue and of no commercial value yet. In this study, chromatographic purification of a methanolic fraction of P. lentiscus L. (lentisk) ... -
Pistacia lentiscus L. Distilled Leaves as a Potential Cosmeceutical Ingredient: Phytochemical Characterization, Transdermal Diffusion, and Anti‐Elastase and Anti‐Tyrosinase Activities
( MDPI , 2022 , Article)The present work was performed to investigate the phenolic composition of P. lentiscus L. distilled leaves (PDL) and examine its potential against certain key enzymes related to skin aging. High‐pressure liquid chromatography ... -
Pit initiation mechanism of modified martensitic 13Cr stainless steel exposed to CO2 saturated acidic environments at elevated temperatures induced by Ti(C,N) inclusions
( Elsevier , 2024 , Article)The influence of temperature (25, 75, and 150 °C) on the passivation behavior of Modified Martensitic 13Cr Stainless Steel (M13Cr) in CO2 saturated acidic salt brine environments was investigated. The material was found ... -
Planning and Optimizing Electric-Vehicle Charging Infrastructure Through System Dynamics
( IEEE , 2022 , Article)One of the key solutions to address the issue of energy efficiency and sustainable mobility is to integrate plug-in electric vehicle (EV) infrastructure and photovoltaic (PV) systems. The research proposes a comprehensive ... -
Plant traits poorly predict winner and loser shrub species in a warming tundra biome
( Springer , 2023 , Article)Climate change is leading to species redistributions. In the tundra biome, shrubs are generally expanding, but not all tundra shrub species will benefit from warming. Winner and loser species, and the characteristics that ... -
Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar
( Elsevier , 2020 , Other)Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar -
Plasmonic Catalysis for Energy Conversion-An Overview and Recent Trends
( Springer , 2022 , Article)Scientists are encouraged to produce clean and sustainable energies now that they are aware of the expiration of non-renewable fuels and their adverse impact on the ecology. In view of this, plasmonic catalysis opens a new ... -
Plasmonic gold nanoparticles: Optical manipulation, imaging, drug delivery and therapy
( Elsevier B.V. , 2019 , Article Review)Over the past two decades, the development of plasmonic nanoparticle (NPs), especially gold (Au) NPs, is being pursued more seriously in the medical fields such as imaging, drug delivery, and theranostic systems. However, ... -
Plastic waste in a circular economy
( Elsevier , 2020 , Book chapter)Plastic is a commodity that supports our modern lifestyles. Its remarkable range of properties (e.g., durability, lightweight, good barrier properties) combined with the ease of processing make plastic a sustainable ...