Browsing Research Articles (Chemistry) by Title
Now showing items 192-211 of 221
-
Spectroscopy, morphology, and electrochemistry of electrospun polyamic acid nanofibers
(Frontiers Media, 2022)Polyamic acid (PAA) nanofibers produced by using the electrospinning method were fully characterized in terms of morphology and spectroscopy. A PAA nanofiber–modified screen-printed carbon electrode was applied to the ... -
Spindle-shaped CeO2/biochar carbon with oxygen-vacancy as an effective and highly durable electrocatalyst for oxygen reduction reaction
(Elsevier Ltd, 2021)Highly durable and active CeO2 on biochar carbon (CeO2/BC) derived from Spirulina platensis microalgae and synthesized by simple one-pot hydrothermal treatment and further activated through pyrolysis approach. A spindle-shaped ... -
Spray‐pyrolyzed Cd‐substituted kesterite thin‐films for photovoltaic applications: Post annealing conditions and property studies
(Elsevier, 2023)Kesterite materials were investigated for their suitability as absorber layers for thin-film photovoltaic cells. Thin- films of copper cadmium zinc tin sulfide (Cu2CdxZn1-xSnS4) were prepared by spray pyrolysis on soda-lime ... -
Surface-modified polyacrylonitrile nanofibers as supports
(Springer Verlag, 2017)Polyacrylonitrile nanofibers (PAN-nfs) are one of the most studied nanofibres because of their excellent characteristics, such as good mechanical strength, chemical resistance, and good thermal stability. Due to the easy ... -
Sustainable fuels: Lower alcohols perspective
(Wiley, 2023)In the coming years, energy sources will play a vital role in global development. Biofuels made from sustainable sources are essential for the global economy's long-term viability and the reduction of greenhouse gas ... -
Synthesis and characterisation of a polysulfone-polyvinyl alcohol hydrogelic material
(ESG, 2016)Hydrogels are flexible materials that have found a niche in membrane science owing to their ability to absorb water without dissolving. The synthesis of polyvinyl alcohol-polysulfone hydrogel in the presence of N-hydroxy ... -
Synthesis and electronic properties of Alkyl- and alkyloxy-cucuminoids
(Elsevier, 2013)Two series of p‐alkyl‐ and p‐alkoxy‐substituted curcuminoids were synthesized. The validity of the proposed structures was checked on the basis of their high resolution mass spectra as well as NMR, IR and electronic ... -
Synthesis and reactivities of conducting hexathienylbenzene-co-poly(3-hexylthiophene) star-branched copolymer as donor material for organic photovoltaic cell
(Frontiers Media, 2022)The hexathienylbenzene-co-poly(3-hexylthiophene-2,5diyl) (HTB-co-P3HT) conducting polymer was synthesized by oxidative co-polymerization of hexathienylbenzene (HTB) and 3-hexylthiophene using iron chloride (FeCl3) as an ... -
The synthesis of 7,9-dimethoxy-3-propyl-3,4-dihydro-1H-benzo[g]isochromene1,5,10-trione: A potential monomer for the synthesis of the natural product xylindein
(Arkivoc, 2020)A novel synthesis of a 3-propyl-substituted-benzo[g]isochromene quinone, a potential monomer of the natural product xylindein, was accomplished in 9 steps (overall yield of 8.2%) from 2,4- dimethoxybenzaldehyde. Key steps ... -
Synthesis of an ordered mesoporous carbon with graphitic characteristics and its application for dye adsorption
(Springer, 2013)An ordered mesoporous carbon (OMC) was prepared by a chemical vapor deposition technique using liquid petroleum gas (LPG) as the carbon source. During synthesis, LPG was effectively adsorbed in the ordered mesopores of ... -
Synthesis of bimetallic FeMn nanoparticles using rooibos tea extract: characterization and application
(Springer, 2023)Bimetallic FeMn nanoparticles based on a ferromanganese wad were successfully synthesized employing an entirely green approach. South African rooibos tea (RTea) extract was used as an environmentally friendly reducing and ... -
Synthesis of stabilized iron nanoparticles from acid mine drainage and Rooibos tea for application as a Fenton-like catalyst
(American Chemical Society, 2022)Intensive mining activities generate toxic acid mine drainage (AMD) effluents containing a high concentration of metals, including iron. The chemical synthesis of iron nanoparticles from this waste could lead to further ... -
Synthesis of zeolites from coal fly ash using mine waters
(Elsevier, 2013)In this study mine waters obtained from coal mining operations in South Africa were used as a substitute for pure water during the synthesis of zeolites from South African coal fly ash. Procedures that had been optimized ... -
A synthesis review of vitamins involved in the fight against Covid-19
(Wiley, 2022)Although literature studies on earlier viruses such as the Severe Acute Respiratory Syndrome (SARS), the Middle East Respiratory Syndrome (MERS), and other similar viruses, in terms of treatment of coronavirus suggested ... -
Synthesis, characterization and antibacterial activity studies of new 2‑pyrral‑L‑amino acid Schif base palladium (II) complexes.
(Chemical Papers, 2020)Three new 2-pyrral amino acid Schif base palladium (II) complexes were synthesized, characterized and their activity against six bacterial species was investigated. The ligands: Potassium 2-pyrrolidine-L-methioninate (L1), ... -
Synthesis, characterization and anticancer activity of new 2-acetyl-5-methyl thiophene and cinnamaldehyde thiosemicarbazones and their palladium(II) complexes
(Elsevier S.A., 2021)New thiosemicarbazone (TSC) ligands, AMT-C[dbnd]N-TSCH (L1), AMT-C[dbnd]N-TSC(CH3) (L2), CIN-C[dbnd]N-TSCH (L3) and CIN-C[dbnd]N-TSC(CH3) (L4) (AMT = 2-acetyl-5-methylthiophene, TSCH = thiosemicarbazide, TSC(CH3) = ... -
Technologies for remediation of emerging contaminants in wastewater samples
(Wiley-Blackwell, 2019)Introduction Various Emerging Contaminants Different Types of Bimetallic Nanoparticles Methods Used for Synthesis Techniques Used for Characterization Methods Used for Remediation Conclusions Acknowledgments -
Testing of eight medicinal plant extracts in combination with kresoxim-methyl for integrated control of botrytis cinerea in apples
(MDPI, 2015)Botrytis cinerea is a fungus that causes gray mold on many fruit crops. Despite the availability of a large number of botryticides, the chemical control of gray mold has been hindered by the emergence of resistant strains. ... -
Towards the development of a novel bipolar-based battery in aqueous electrolyte: Evaluation of the electrochemical properties of NiCu based hydroxide electrodes fabricated on Ni–mesh and graphite composite current collectors
(Journal of Energy Storage, 2022)The use of bipolar electrodes in rechargeable batteries can improve specific power, simplify cell design, and reduce manufacturing costs. However, bipolar-based batteries still suffer from many drawbacks. Therefore, ... -
Trace elements risk assessment for consumption of wild mussels along South Africa coastline
(Elsevier, 2021)The study aimed to contribute to the scarce data on concentrations in the soft tissue of wild mussels growing in coastal cities of South Africa. The intake of 26 micro and macroelements was estimated. The mass fractions ...