Research Articles (Chemistry)

Complexation-based detection of nickel(ii) at a graphene-chelate probe in the presence of cobalt and zinc by adsorptive stripping voltammetry

Pokpas, Keagan; Jahed, Nazeem; Baker, Priscilla G. (MDPI, 2017)

The adsorptive stripping voltammetric detection of nickel and cobalt in water samples at metal film electrodes has been extensively studied. In this work, a novel, environmentally friendly, metal-free electrochemical ...

Green synthesis of silica and silicon from agricultural residue sugarcane bagasse ash – A mini review

September, Lyle A.; Kheswa, Ntombizonke; Seroka, Ntalane S. (Royal Society of Chemistry, 2023)

Silicon dioxide (SiO2), also known as silica, has received attention in recent years due to wide range of capable applications including biomedical/pharmaceutical, energy, food, and personal care products. This has accelerated ...

Polyethylene glycol (peg-400): An efficient one-pot green synthesis and anti-viral activity of novel α-diaminophosphonates

Abbo, Hanna; Patnala, Harika; Potla, Krishna Murthy (Taylor & Francis Online, 2019)

An efficient and eco-friendly protocol has been accomplished for a series of novel a-diaminophosphonates by a one-pot, three-component system via Kabachnik-Fields reaction of 4,40 -methylenedianiline, a variety of ...

Hydrogen storage behavior of magnesium catalyzed by nickel-graphene nanocomposites

Lototskyy, Mykhaylo V. (ScienceDirect, 2019)

In present study nanocomposites of Graphene Like Material (GLM) and nickel containing 5–60 wt % Ni were prepared by a co-reduction of graphite oxide and Ni2+ ions. These nanocomposites served as effective catalysts of ...

Biosynthesis of silver nanoparticles using bitter leave (Veronica amygdalina) for antibacterial activities

Botha, Subelia S (ScienceDirect, 2019)

A green and facile biosynthesis of silver nanoparticles (SNPs) using dry Bitter leaves (DBL) (Vernonia amygdalina) aqueous extract as a capping and reducing agent was demonstrated in this work. The effect of the precursor's ...

Antibacterial and photodegradation of organic dyes using lamiaceae-mediated zno nanoparticles: A review

Mutukwa, Dorcas; Taziwa, Raymond T.; Khotseng, Lindiwe (MDPI, 2022)

The green synthesis of zinc oxide nanoparticles (ZnO NPs) using plant extracts has been receiving tremendous attention as an alternative to conventional physical and chemical methods. The Lamiaceae plant family is one ...

Mn nanoparticles encapsulated within mesoporous helical n-doped carbon nanotubes as highly active air cathode for zinc–air batterie

Linkov, Vladimir (Wiley Online Library, 2019)

The practical application of clean energy conversion and storage technologies, such as fuel cells and metal–air batteries, have been significantly impeded by the high cost and scarcity of precious metal catalysts used for ...

Crystal structure, hirshfeld surface analysis and dft studies of 5-(adamantan-1-yl)-3-[(4-chlorobenzyl)sulfanyl]-4-methyl-4h-1,2,4-triazole, a potential 11β-hsd1 inhibitor

Joubert, Jacques (Scientific Reports, 2019)

5-(Adamantan-1-yl)-3-[(4-chlorobenzyl)sulfanyl]-4-methyl-4H-1,2,4-triazole (4) was identified as a potential 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) inhibitor and this paper describes the in-depth structural ...

Quantifying the contribution of riparian total evaporation to streamflow transmission losses: Preliminary investigations along the Groot Letaba river

Gokool, S; Riddell, E.S.; Nel, J.M.; Raubenheimer, R.; Strydom, T.; Swemmer, A.; Chetty, T. (Elsevier, 2019-11-08)

The Groot Letaba River, situated in the semi-arid north-eastern region of South Africa is an example of a river system in which the uncertainty associated with transmission losses (TL) has limited the effective management ...

Microscopic, spectroscopic, and electrochemical characterization of novel semicrystalline poly(3-hexylthiophene)-based dendritic star copolymer

Djoumessi Yonkeu, Anne L.; Ndipingwi, Miranda M.; Tovide, Oluwakemi O. (MDPI, 2022)

In this study, electron-donating semicrystalline generation 1 poly(propylene thiophenoimine)- co-poly(3-hexylthiophene) star copolymer, G1PPT-co-P3HT was chemically prepared for the first time. Copolymerization was ...

A review of the green synthesis of zno nanoparticles utilising Southern African indigenous medicinal plants

Mutukwa, Dorcas; Taziwa, Raymond; Khotseng, Lindiwe Eudora (MDPI, 2022)

Metal oxide nanoparticles (NPs), such as zinc oxide (ZnO), have been researched extensively for applications in biotechnology, photovoltaics, photocatalysis, sensors, cosmetics, and pharmaceuticals due to their unique ...

Investigating the variation of benzene and 1,3 butadiene in the UK during 2000–2020

Holland, Rayne; Khan, M. Anwar H.; Shallcross, Dudley E. (MDPI, 2022)

The concentrations of benzene and 1,3-butadiene in urban, suburban, and rural sites of the U.K. were investigated across 20 years (2000–2020) to assess the impacts of pollution control strategies. Given the known toxicity ...

Pseudocapacitive effects of multi-walled carbon nanotubes-functionalised spinel copper manganese oxide

Nolly, Christopher; Ikpo, Chinwe O.; Ndipingwi, Miranda M. (MDPI, 2022)

Spinel copper manganese oxide nanoparticles combined with acid-treated multi-walled carbon nanotubes (CuMn2O4/MWCNTs) were used in the development of electrodes for pseudocapacitor applications. The CuMn2O4/MWCNTs ...

Heterogeneous vanadium Schiff base complexes in catalytic oxidation reactions

Salubi, Christiana Abimbola (Growing Science, 2023)

The chemistry of Schiff base has received remarkable attention in different applications, both organic synthesis and industries. Over the past few years many reports have been on the synthesis, characterization and ...

Crystal structure, Hirshfeld surface analysis and DFT studies of 5-(adamantan-1-yl)-3-[(4- chlorobenzyl)sulfanyl]-4-methyl4H-1,2,4-triazole, a potential 11βHSD1 inhibitor

Joubert, Jacques; Al-Wahaibi, Lamya; Blacque, Olivier (Scientific Reports, 2019)

5-(Adamantan-1-yl)-3-[(4-chlorobenzyl)sulfanyl]-4-methyl-4H-1,2,4-triazole (4) was identifed as a potential 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) inhibitor and this paper describes the in-depth structural ...