Browsing Center for Advanced Materials by Title
Now showing items 1284-1303 of 1332
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Trends and innovations in biosensors for COVID-19 detection in air
( Springer International Publishing , 2021 , Book chapter)Pandemic is not a word to use lightly or carelessly. It is a word that, if misused, can reason difficult fear, or unwarranted acceptance that the fight is over, foremost to needless suffering and fatality. Coronavirus ... -
Tri-molybdenum phosphide (Mo3P) and multi-walled carbon nanotube junctions for volatile organic compounds (VOCs) detection
( American Institute of Physics Inc. , 2021 , Article)Detection and analysis of volatile organic compounds' (VOCs) biomarkers lead to improvement in healthcare diagnosis and other applications such as chemical threat detection and food quality control. Here, we report on ... -
Tribological behaviour of 1D and 2D nanofiller based high densitypoly-ethylene hybrid nanocomposites: A run-in and steady state phase analysis
( Elsevier Ltd , 2017 , Article)Hybrid nanocomposites are a class of materials with exceptional properties due to the synergizing effect of individual fillers. Current work reports the tribological behaviour of high densitypolyethylene-(HDPE) reinforced ... -
Tribological studies of nanomodified mineral based multi-grade engine oil
( Research India Publications , 2017 , Article)This research study investigates the tribological behaviour of mineral based multi grade engine oil reinforced with nanoadditives using a pin on disc tribometer under different frictional conditions. Load, sliding speed, ... -
Trilayer composite scaffold for urethral reconstruction: in vitro evaluation of mechanical, biological, and angiogenic properties
( IOP Publishing , 2024 , Article)Regeneration of damaged urethral tissue remains a major challenge in the field of lower urinary tract reconstruction. To address this issue, various synthetic and natural biodegradable biomaterials are currently being ... -
Tryptophan-functionalized gold nanoparticles for deep UV imaging of microbial cells
( Elsevier , 2015 , Article)Biocompatible fluorescent nanostructures were prepared by a functionalization of gold nanoparticles with the amino acid tryptophan. The gold-tryptophan bioconjugates were investigated by TEM and HRTEM and various spectroscopy ... -
Tunable properties based on regioselectivity of 1,2,3-triazole units in axially chiral 2,2?-linked 1,1?-binaphthyl-based copolymers for ions and acid responsiveness
( Elsevier Ltd , 2018 , Article)The synthesis and optical studies of a new chiral binaphthyl-based polymeric sensor are described herein. The polymers were prepared using the copper-catalyzed azide?alkyne cycloaddition reaction between fluorene and ... -
Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction
( Elsevier Ltd , 2017 , Article)Hydrogen has attracted huge interest globally as a durable, environmentally safe and renewable fuel. Electrocatalytic hydrogen evolution reaction (HER) is one of the most promising methods for large scale hydrogen production, ... -
Ultra-low Pt-decorated NiCu bimetallic alloys nanoparticles supported on reduced graphene oxide for electro-oxidation of methanol
( Cambridge University Press , 2018 , Article)The selectivity of catalyst is an essential factor in direct methanol fuel cells (DMFCs) and plays an important role to improve their performance. To this end, platinum (Pt)-based low-cost trimetallic catalysts have been ... -
Ultrahigh capacitive deionization performance by 3D interconnected MOF-derived nitrogen-doped carbon tubes
( Elsevier B.V. , 2020 , Article)The design of new-family carbon materials to capture more saline ions is one of the biggest challenges of capacitive deionization (CDI) for water desalination. Herein, we demonstrate the preparation of integrated tubular ... -
Ultrasensitive Ti3C2TX MXene/chitosan nanocomposite-based amperometric biosensor for detection of potential prostate cancer marker in urine samples
( MDPI AG , 2020 , Article)Two-dimensional layered nanomaterial Ti3C2TX (a member of the MXene family) was used to immobilise enzyme sarcosine oxidase to fabricate a nanostructured biosensor. The device was applied for detection of sarcosine, a ... -
Understanding the binding interaction between phenyl boronic acid P1 and sugars: determination of association and dissociation constants using S?V plots, steady-state spectroscopic methods and molecular docking
( John Wiley and Sons Ltd , 2021 , Article)Continuous monitoring of glucose and sugar sensing plays a vital role in diabetes control. The drawbacks of the present enzyme-based sugar sensors have encouraged the investigation into alternate approaches to design new ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective
(2023 , Conference Paper)Modified 13Cr martensitic stainless steels (UNS S41426) are a class of materials used for operations involving natural gas production in sweet and moderately sour service conditions. Discrepancies between experimental ... -
Understanding the mechanics of complex topology of the 3D printed Anthill architecture
( Oxford University Press , 2022 , Article)The present work aimed to investigate the deformation behavior of complex ant mound architectures under compression. We have used the cement casting method to extract four different ant nest morphologies. These casted ... -
Understanding the Nature of Capacity Decay and Interface Properties in Li//LiNi0.5Mn1.5O4 Cells by Cycling Aging and Titration Techniques
( American Chemical Society , 2020 , Article)The spinel structure LiNi0.5Mn1.5O4 (LNMO) is a propitious cathode material for next-generation lithium-ion batteries for fast charge-discharge applications, but its capacity decay mechanism and rate-limiting process are ... -
Understanding the Origin of the Ultrahigh Rate Performance of a SiO2-Modified LiNi0.5Mn1.5O4 Cathode for Lithium-Ion Batteries
( American Chemical Society , 2019 , Article)LiNi0.5Mn1.5O4 (LNMO) is one of the most promising cathode materials for next-generation lithium-ion batteries for rapid charging–discharging applications. The surfaces of LNMO samples are coated with different amounts ... -
Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media
( The Electrochemical Society , 2019 , Conference Paper)Corrosion control in sour environments is a severe challenge for the oil and gas industries with respect to sour media. One of the approaches to mitigate such a problem is to use corrosion inhibitors (CI). The selection ... -
Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks
( John Wiley and Sons Inc. , 2016 , Article)The Jonscher universal power law for ac conductivity versus frequency (f = /2) in the dispersion region was tested for a multiwall carbon nanotube/epoxy nanocomposite. The effect of changes in agglomerate morphology on the ... -
Unpublished coins from Al-Zubarah: Scientific and economic analysis
( Nova Science Publishers, Inc. , 2019 , Book chapter)Qatar Museums Authority (QMA) has kindly permitted the research team to study and publish a number of coins discovered in the old town of Al-Zubarah. The coins are now housed at the 19th century re-built of Al-Zubarah Fort. ...