Chemistry & Earth Sciences: Recent submissions
Now showing items 481-500 of 614
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Versatile synthesis of Pd and Cu Co-doped porous carbon nitride nanowires for catalytic CO oxidation reaction
( MDPI AG , 2018 , Article)Developing efficient catalyst for CO oxidation at low-temperature is crucial in various industrial and environmental remediation applications. Herein, we present a versatile approach for controlled synthesis of carbon ... -
Fourier-transform infrared imaging spectroscopy and laser ablation -ICPMS new vistas for biochemical analyses of ischemic stroke in rat brain
( Frontiers Media S.A. , 2018 , Article)Objective: Stroke is the main cause of adult disability in the world, leaving more than half of the patients dependent on daily assistance. Understanding the post-stroke biochemical and molecular changes are critical for ... -
Role of doping and sheet size in tailoring optoelectronic properties of germanene: A TDDFT study
( John Wiley and Sons Inc. , 2018 , Article)Germanene is a novel 2D material with promising optoelectronic properties, tuning of which is to be explored. This work demonstrates that doping and increasing the sheet size can alter optical and electronic properties of ... -
Graphene a promising electrode material for supercapacitors?
( John Wiley and Sons Ltd , 2018 , Article Review)The global demand for high performance and environmentally friendly energy storage systems leads to intensive research on new and advanced electrode materials that are able to satisfy the fast-growing global market in ... -
Tailoring the efficiency of an active catalyst for CO abatement through oxidation reaction: The case study of samarium-doped ceria
( Elsevier Ltd , 2018 , Article)In the present study, for the first time we tailored organic chemistry traditional synthesis tools towards preparation of CexSm1-xO2 (x = 0.2, 0.5, 0.8, 1) fluorite-type mixed oxides which are used for CO abatement. In ... -
Enhanced photocatalytic performance of WON@porous TiO2 nanofibers towards sunlight-assisted degradation of organic contaminants
( Royal Society of Chemistry , 2018 , Article)In the last few decades, TiO2 has been widely used in different types of photocatalytic applications. However, the relatively large optical band gap (∼3.2 eV), low charge carrier mobility and consequently its low quantum ... -
Fourier Transform Infrared (FT-IR) and Laser Ablation Inductively Coupled Plasma–Mass Spectrometry (LA-ICP-MS) Imaging of Cerebral Ischemia: Combined Analysis of Rat Brain Thin Cuts Toward Improved Tissue Classification
( SAGE Publications Inc. , 2018 , Article)Microspectroscopic techniques are widely used to complement histological studies. Due to recent developments in the field of chemical imaging, combined chemical analysis has become attractive. This technique facilitates a ... -
Amplitude modulation in infrared metamaterial absorbers based on electro-optically tunable conducting oxides
( Springer Verlag , 2018 , Article)A class of electro-optically tunable metamaterial absorbers is designed and theoretically investigated in the infrared regime towards realizing free-space amplitude modulators. The spacer between a subwavelength metallic ... -
Aqueous dispersions of carbon black and its hybrid with carbon nanofibers
( Royal Society of Chemistry , 2018 , Article)The aqueous dispersions of a special type of carbon black (CB) in 1 M lithium bis(trifluoromethanesulfonimide) electrolyte is mainly controlled by the affinity of the aqueous electrolyte towards the CB particles rather ... -
Role of Solvent Polarity and Hydrogen-Bonding on Excited-State Fluorescence of 3-[(E)-{4-[Dimethylamino]benzylidene}amino]-2-naphthoic Acid (DMAMN): Isomerization vs Rotomerization
( American Chemical Society , 2018 , Article)The present experimental and theoretical study on a new chromophore DMAMN of the type push-?-pull (push = dimethylaniline, ? = imine, pull = 2-naphthoic acid), allows understanding of the mechanism by which the molecular ... -
Investigation of Biochemical Alterations in Ischemic Stroke Using Fourier Transform Infrared Imaging Spectroscopy-A Preliminary Study.
( MDPI , 2019 , Article)Brain damage, long-term disability and death are the dreadful consequences of ischemic stroke. It causes imbalance in the biochemical constituents that distorts the brain dynamics. Understanding the sub-cellular alterations ... -
Synthesis of 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles and features of their NMR spectra
( Wiley , 2019 , Article)Two different methods leading to 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles were investigated. Reactions of 3-aminocrotonirile with substituted salicylaldehydes provided 5-oxo-5H-chromeno[3,4-c]pyridine-1-carbonitriles ... -
Catalytic Degradation of 4-Ethylpyridine in Water by Heterogeneous Photo-Fenton Process
( MDPI , 2019 , Article)In this work, the degradation of 4-ethylpyridine (4EP) in water by a heterogeneous photo-Fenton process (H2O2/Fe3O4/ultraviolet irradiation (UV)) was investigated. More rapid and effective 4EP degradation was obtained with ... -
Electrochemical oxidation/disinfection of urine wastewaters with different anode materials
( MDPI , 2019 , Article)In the present work, electrochemical technology was used simultaneously for the deactivation of microorganisms and the destruction of micro-pollutants contained in synthetic urine wastewaters. Microorganisms (E. coli) were ... -
Plackett-Burman and Box-Behnken designs as chemometric tools for micro-determination of L-Ornithine
( Elsevier B.V. , 2018 , Article)Plackett-Burman (PB) and Box-Behnken (BB) screening and response surface factorial designs were used to evaluate spectrophotometric and spectrofluorimetric approaches for the determination of l-Ornithine (ORN) as per se ... -
Cu-Ce-O catalyst revisited for exceptional activity at low temperature CO oxidation reaction
( Elsevier B.V. , 2018 , Article)In the present study, CexCu1−xO2−δ (x = 0, 0.3, 0.5, 0.8, 0.9, and 1) catalysts were synthesized using a facile and reproducible combustion method and were evaluated towards the CO oxidation (CO-OX) and CO preferential ... -
Transition metal nanoparticles doped carbon paper as a cost-effective anode in a microbial fuel cell powered by pure and mixed biocatalyst cultures
( Elsevier Ltd , 2018 , Article)The poor wettability and high cost of the carbonaceous electrodes materials prohibited the practical applications of microbial fuel cells (MFCs) on large scale. Here, a novel nanoparticles of metal sheathed with metal oxide ... -
Tuning the activity of Cu-containing rare earth oxide catalysts for CO oxidation reaction: Cooling while heating paradigm in microwave-assisted synthesis
( Elsevier Ltd , 2018 , Article)(Ce-La-xCu)O2 catalysts with low (3 at.%) and high (10 at.%) Cu content were prepared by conventional microwave (MW) and enhanced microwave methods where air cooling (AC), while heating, was applied. The catalysts were ... -
Application of FTIR and LA-ICPMS spectroscopies as a possible approach for biochemical analyses of different rat brain regions
( MDPI AG , 2018 , Article)Fourier Transform Infrared Spectroscopy (FTIR) is a non-destructive analytical technique that has been employed in this research to characterize the biochemical make-up of various rat brain regions. The sensorimotor cortex, ... -
Electro-sprayed PVA coating with texture-enriched surface morphology for augmented humidity sensing
( Elsevier B.V. , 2018 , Article)This article reports the modified surface morphology of Poly-vinyl Alcohol (PVA) films using electro-spraying coating technique. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were conducted to examine ...
