Chemistry & Earth Sciences: Recent submissions
Now showing items 321-340 of 614
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Synthesis, Characterization, Crystal Structures, and in vitro Antitumor Activity of Palladium and Platinum (Ii) Complexes with 2-Acetyl-4-Methylthiazole Thiosemicarbazone and 2-Acetylpyrazine Thiosemicarbazone
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)The novel Schiff bases I HAMTTSC (2-Acetyl-4-methylthiazole thiosemicarbazone), II HAPTSC(2-Acetylpyrazine thiosemicarbazone) and their complexes with Pt(II) and Pd(II): 1 [Pt(AMTTSC)Cl], 2 [Pt(AMTTSC)2], 3 [Pd(AMTTSC)Cl], ... -
Effects of Combined Calcium Hypochlorite and Chlorine Dioxide on Drinking Water Quality in Qatar and Disinfection by Products Formation
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Chlorite, chlorate, bromate and trihalomethane's (THMs) are included in WHO guidelines for drinking water quality. This study examined dosing different chlorine concentrations as calcium hypochlorite (Ca(ClO)2) to water ... -
Density functional theory study on the catalytic dehydrogenation of methane on MoO3 (010) surface
( Elsevier , 2022 , Article)Methane conversion offers hydrocarbon building blocks of high market value, which are easier to transport than natural gas. Under non-oxidative conditions, the process can also produce clean hydrogen fuel. In this study, ... -
Modern Development in Copper- and Nickel-Catalyzed Cross-Coupling Reactions: Formation of Carbon-Carbon and Carbon-Heteroatom bonds under Microwave Irradiation Conditions
( John Wiley & Sons, Ltd , 2022 , Article Review)The use of transition metals in cross-coupling reactions has been verified as a powerful tool in synthetic organic chemistry to access valuable pharmaceutical intermediates and functional organic molecules. Copper compounds ... -
Surfactant induced microwave disintegration for enhanced biohydrogen production from macroalgae biomass: Thermodynamics and energetics
( Elsevier , 2022 , Article)This research work aimed about the enhanced bio-hydrogen production from marine macro algal biomass (Ulva reticulate) through surfactant induced microwave disintegration (SIMD). Microwave disintegration (MD) was performed ... -
Extraction and Analysis of Carbamate and Pyrethroid Pesticides in Tomatoes and Rice by Gas Chromatography Mass Spectrometry
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)This work aimed to explore common methods for the extraction of pesticide and to perform qualitative and quantitative analysis by gas chromatography coupled with electron impact mass spectrometry (GC-EI-MS). Extraction was ... -
Human-Induced Pluripotent Stem Cell-Derived Cardiomyocytes (hiPSC-CMs) as a Platform for Modeling Arrhythmias
( Springer Nature , 2022 , Book chapter)Cardiac arrhythmias can arise due to a host of both genetic and acquired factors. Specifically, the genetic basis of arrhythmogenesis is not fully understood due to the lack of robust models that reliably recapitulate human ... -
MLIP causes recessive myopathy with rhabdomyolysis, myalgia and baseline elevated serum creatine kinase
( Oxford University Press , 2021 , Article)Striated muscle needs to maintain cellular homeostasis in adaptation to increases in physiological and metabolic demands. Failure to do so can result in rhabdomyolysis. The identification of novel genetic conditions ... -
Adsorption and recovery of lithium ions from groundwater using date pits impregnated with cellulose nanocrystals and ionic liquid
( Elsevier , 2022 , Article)The study aims to prepare a novel low-cost and environmentally friendly adsorbent by using date pits (DP) impregnated with cellulose nanocrystals (CNCs) and ionic liquid (IL), named IL-CNC@DP. The batch adsorption of lithium ... -
Muscle enriched lamin interacting protein (Mlip) binds chromatin and is required for myoblast differentiation
( MDPI , 2021 , Article)Muscle‐enriched A‐type lamin‐interacting protein (Mlip) is a recently discovered Amniota gene that encodes proteins of unknown biological function. Here we report Mlip’s direct interaction with chromatin, and it may function ... -
Synephrine as Antioxidant: Application in Quenching of Photo Induced Radical of Anthraquinone and Naphthoquinone
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Photosensitive molecules such as quinones in drugs may become activated by exposure to UV-A light (320-400 nm) of the solar spectrum and cause damages to biological materials such as amino acids, nucleic acids, lipids, ... -
Synthesis and Characterization of Functionalized Silica-Nanoparticles and their Applications for the Removal of Pesticides from Aqueous Solution
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Silica nanoparticles functionalized with three different active functional groups (C-8, cyano-propyl, and methacrylate (MA)) were synthesized, characterized and applied for the removal of ten carbamate pesticides from ... -
Low-Temperature CO Oxidation Over CuO-TiO2 Nanocatalysts
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Among the diverse catalytic processes, the heterogeneous catalytic CO oxidation is an important reaction for removal of small amounts of poisoning CO in fuel cell applications and environmental remediation. Therefore, there ... -
Antimicrobial Modification of LDPE Using Non-thermal Plasma
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Low-density polyethylene (LDPE) represents polymer having good chemical and physical characteristics for which it is widely used in many applications, such as biomedical and food packaging industry. This polymer excels by ... -
Synthesis and Characterization of Soluble Thiophene-Selenophene- and Tellurophene-Vinylene Copolymers
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Organic electronic devices based on polymers received significant attention in the last decade, especially for organic photovoltaics (OPVs) and field-effect transistors (OFETs) despite their performances and stability ... -
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 ... -
Core-shell nanofibers of polyvinylidene fluoride-based nanocomposites as piezoelectric nanogenerators
( MDPI AG , 2020 , Article)Flexible piezoelectric nanogenerators (PENG) are widely applied to harvest sustainable energy from multiple energy sources. The rational and simple design of PENG have great potential in soft electronics. Here we design a ... -
Solvent Influence on Absorption Spectra and Tautomeric Equilibria of Symmetric Azomethine-Functionalized Derivatives: Structural Elucidation and Computational Studies.
( Wiley Open Access , 2022 , Article)A new series of azomethine-functionalized compounds was synthesized from the condensation of 2-hydroxy-1,3-propanediamine and 2-thienylcarboxaldehydes in the presence of a drying agent. The derivatives were spectroscopically ... -
Addressing scale-up challenges and enhancement in performance of hydrogen-producing microbial electrolysis cell through electrode modifications
( Elsevier , 2022 , Article Review)Bioelectrohydrogenesis using a microbial electrolysis cell (MEC) is a promising technology for simultaneous hydrogen production and wastewater treatment which uses electrogenic microbes. Microbial activity at the anode and ... -
A Novel Cyclopentadienone and its Ruthenium and Iron Tricarbonyl Complexes
( Wiley , 2021 , Article)A simple and efficient protocol allows the oxidation of the cyclopentadiene derivative 5H-dibenzo[e,h]-dibenzo[3,4 : 6,7]cyclohept[1,2-a]azulene (CpCH) provide according ketone CpCO. Comparable to the situation found for ...