Chemistry: Recent submissions

Now showing items 1-20 of 778

A review on sustainable photocatalytic degradation of agro-organochlorine and organophosphorus water pollutants using biogenic iron and iron oxide-based nanoarchitecture materials

Adesibikan, Ademidun Adeola; Emmanuel, Stephen Sunday; Nafiu, Sodiq Adeyeye; Tachia, Mfeuter Joseph; Iwuozor, Kingsley O.; Emenike, Ebuka Chizitere; Adeniyi, Adewale George (Elsevier, 2024-10)

Sustainable accessibility and adequate availability of healthy water are preconditions for healthy living and effective uninterrupted ecological networking. However, the presence of organic pollutants like organochlorine ...
Unlocking the potential of substrate quality for the enhanced antibacterial activity of black soldier fly against pathogens

Achuoth, Mach P.; Mudalungu, Cynthia M.; Ochieng, Brian O.; Mokaya, Hosea O.; Kibet, Shadrack; Maharaj, Vinesh J.; Subramanian, Sevgan; Kelemu, Segenet; Tanga, Chrysantus (American Chemical Society, 2024-02)

Globally, antibiotics are facing fierce resistance from multidrug-resistant bacterial strains. There is an urgent need for eco-friendly alternatives. Though insects are important targets for antimicrobial peptides, it has ...
Chemical fingerprinting of biomass burning organic aerosols from sugar cane combustion : complementary findings from field and laboratory studies

Hartner, Elena; Gawlitta, Nadine; Groeger, Thomas; Orasche, Juergen; Czech, Hendryk; Geldenhuys, Genna-Leigh; Jakobi, Gert; Tiitta, Petri; Yli-Pirila, Pasi; Kortelainen, Miika; Sippula, Olli; Forbes, Patricia B.C.; Zimmermann, Ralf (American Chemical Society, 2024-02)

Agricultural fires are a major source of biomass-burning organic aerosols (BBOAs) with impacts on health, the environment, and climate. In this study, globally relevant BBOA emissions from the combustion of sugar cane in ...
An in-situ FTIR-LCR meter technique to study the sensing mechanism of MnO2@ZIF-8/CNPs and a direct relationship between the sensitivity of the sensors and the rate of surface reaction

Malepe, Lesego; Ndungu, Patrick; Ndinteh, Derek Tantoh; Mamo, Messai Adenew (Elsevier, 2023-09)

Diethylamine vapor is harmful to people if inhaled or swallowed, as it results in the oxidation of hemoglobin in the body into unwanted methemoglobin, which is unable to transport oxygen in the blood, resulting in ...
Solvothermal synthesis of organoclay/Cu-MOF composite and its application in film modified GCE for simultaneous electrochemical detection of deoxyepinephrine, acetaminophen and tyrosine

Mouafo-Tchinda, Edwige; Kemmegne-Mbouguen, Justin Claude; Nanseu-Njiki, Charles Peguy; Langmi, Henrietta Wakuna; Kowenje, Chrispin; Musyoka, Nicholas M.; Mokaya, Robert (Royal Society of Chemistry, 2023-07-11)

Please read abstract in article.
Investigations into the transition to sustainable alternative fuels in a South African underground platinum mine

Geldenhuys, Genna-Leigh; Wattrus, Mark C.; Fox, M.; Forbes, Patricia B.C. (Elsevier, 2023-12)

Adverse environmental impacts associated with the use of fossil fuels and the over-dependence thereon has made energy security and sustainability a critical issue worldwide particularly for key energy intensive economic ...
Science : a chess game against time

Van der Merwe, Petra (Royal Society of Chemistry, 2023-10-05)

A graphical abstract is available for this content.
Green synthesis and characterization of ruthenium oxide nanoparticles using Gunnera perpensa for potential anticancer activity against MCF7 cancer cells

Mfengwana, Polo‑Ma‑Abiele H.; Sone, Bertrand T. (Nature Research, 2023-12-19)

The use of green methods for ruthenium oxide nanoparticles synthesis is gaining attention due to their eco-friendliness, cost-effectiveness, and availability. However, reports on the green synthesis and characterization ...
Anti-inflammatory activity of seven plant species with potential use as livestock feed additives

Lebeloane, M.M.; Famuyide, Ibukun Michael; Kgosana, K.G.; Elgorashi, E.E.; Ndivhuwo, K.K.; Maharaj, Vinesh J.; McGaw, Lyndy Joy (Elsevier, 2024-04)

Please read abstract in the article.
Zeolitic imidazolate framework as humidity-resistant solid state-chemiresistive gas sensors : a review

Lesego, Malepe; Ndinteh, Derek T.; Ndungu, Patrick Gathura; Mamo, Messai A. (Elsevier, 2023-11-15)

With significant technological advances, solid-state gas sensors have been extensively applied to detect toxic gases and volatile organic compounds (VOCs) in confined areas such as indoor environments and industries and ...
Influence of solvation on the spectral, molecular structure, and antileukemic activity of 1-benzyl-3-hydroxy-2-methylpyridin-4(1H)-one

Nkoe, Pheello; Manicum, Amanda -Lee E.; Louis, Hitler; Malan, F.P. (Frederick); Nzondomyo, Wakopo J.; Chukwuemeka, Kelechi; Sithole, Sibusiso A.; Imojara, Ann; Chima, Chioma M.; Agwamba, Ernest C.; Unimuke, Tomsmith O. (Elsevier, 2023)

This research focuses on the synthesis, X-ray crystallography, spectral characterization, and the influence of solvents on electronic molecular properties, vibrational analysis, and electronic excitation along with molecular ...
The first evidence of microplastic presence in the River Nile in Khartoum, Sudan : using Nile Tilapia fish as a bio-indicator

Saad, Dalia; Alamin, Hadeel (Elsevier, 2024-01)

The extent of microplastics in African freshwater systems remains less investigated. In Sudan, there is no single study reporting microplastics in water bodies. This scoping study aimed to investigate the presence and ...
Mining wastewater treatment technologies and resource recovery techniques : a review

Matebese, Funeka; Mosai, Alseno Kagiso; Tutu, Hlanganani; Tshentu, Zenixole R. (Elsevier, 2024-02)

Mining wastewater can have adverse effects on the ecosystem; thus, treatment before discharging into the environment is of utmost importance. This manuscript reports on the effect of mining wastewater on the environment. ...
Metabolomics and in-vitro bioactivities studies of fermented Musa paradisiaca pulp : apotential alpha-amylase inhibitor

Atunnise, Adeleke Kazeem; Bodede, Olusola; Adewuyi, Adewale; Maharaj, Vinesh J.; Prinsloo, Gerhard; Salau, Bamidele Adewale (Elsevier, 2024-02)

The in-vitro synthesis of bio-compounds via fermentation is a promising route for bioactive molecules intended for disease control and management. Therefore, this study evaluated the effect of fermentation on the antioxidants, ...
Mango headspace volatiles trigger differential responses of the mango fruit fly Ceratitis cosyra and its parasitoids

Miano, Raphael Njura; Dekker, Teun; Rohwer, Egmont Richard; Biasazin, Tibebe Dejene; Ndlela, Shepard; Yusuf, Abdullahi Ahmed; Cheseto, Xavier; Mohamed, Samira A. (Elsevier, 2024-05)

Before the introduction of Bactrocera dorsalis (Hendel) to sub-Saharan Africa, Ceratitis cosyra (Walker) was economically the most important pest in mango farming. Its native natural enemy, the solitary parasitoid Psyttalia ...
Characteristics of microplastics in sediment of the Vaal River, South Africa: implications on bioavailability and toxicity

Saad, Dalia; Ndlovu, Michelle; Ramaremisa, Gibbon; Tutu, Hlanganani; Sillanpaa, M. (Springer, 2024-01)

The aim of this study was to examine the physical characteristics and chemical composition of microplastics in sediments of the Vaal River, South Africa. Microplastics were detected in all samples, with abundance ranging ...
An in vitro study to elucidate the effects of product Nkabinde on immune response in peripheral blood mononuclear cells of healthy donors

Setlhare, Boitumelo; Letsoalo, Marothi; Nkabinde, Siphathimandla Authority; Nkabinde, Magugu; Mzobe, Gugulethu; Mtshali, Andile; Parveen, Sobia; Ngcobo, Samukelisiwe; Invernizzi, Luke; Maharaj, Vinesh J.; Ngcobo, Mlungisi; Gqaleni, Nceba (Frontiers Media S.A., 2024-03)

Please read abstract in the article.
Synthesis, characterisation, X-ray diffraction and biological evaluation of new thiourea derivatives against Mycobacterium tuberculosis and cervical cancer

Makhakhayi, Luleka; Malan, F.P. (Frederick); Senzani, Sibusiso; Tukulula, Matshawandile; Davison, Candace; De la Mare, Jo-Anne; Nkambule, Comfort M.; Tembu, Vuyelwa J.; Manicum, Amanda-Lee E. (Elsevier, 2024-10)

Please read abstract in the article.
Improving acid mine drainage treatment by combining treatment technologies : a review

Mosai, Alseno Kagiso; Ndlovu, Gebhu; Tutu, Hlanganani (Elsevier, 2024-04)

The mining and processing of some minerals and coal result in the production of acid mine drainage (AMD) which contains elevated levels of sulfate and metals, which tend to pose serious environmental issues. There are ...
Characterizing the thermal phase behaviour of fipronil polymorphs

Moyo, Dennis Simbarashe; Van der Merwe, E.M. (Elizabet Margaretha); Rademeyer, Melanie; Malan, F.P. (Frederick); Atanasova, Maria T.; Mapossa, António Benjamim; Focke, Walter Wilhelm (Springer, 2023-07)

This manuscript reports the investigation of the polymorphic behaviour of fipronil using a systematic comparison of the thermochemical and structural properties of different crystal forms obtained in this study as well as ...

Now showing items 1-20 of 778

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