• Applications and immobilization strategies of the copper-centred laccase enzyme : a review 

  Kyomuhimbo, Hilda Dinah; Brink, Hendrik Gideon (Elsevier, 2023-02)

  Laccase is a multi-copper enzyme widely expressed in fungi, higher plants, and bacteria which facilitates the direct reduction of molecular oxygen to water (without hydrogen peroxide production) accompanied by the oxidation ...
• One-step green synthesis of water-soluble fluorescent carbon dots and its application in the detection of Cu2+ 

  Sanni, Saheed O.; Moundzounga, Theo H.G.; Oseghe, Ekemena O.; Haneklaus, Nils H.; Viljoen, Elvera L.; Brink, Hendrik Gideon (MDPI, 2022-03-14)

  Renewable biowaste-derived carbon dots have garnered immense interest owing to their exceptional optical, fluorescence, chemical, and environmentally friendly attributes, which have been exploited for the detection of ...
• Effective adsorption of Congo red from aqueous solution using Fe/Al Di-metal nanostructured composite synthesised from Fe(III) and Al(III) recovered from real acid mine drainage 

  Muedi, Khathutshelo Lilith; Masindi, Vhahangwele; Maree, Johannes Philippus; Haneklaus, Nils; Brink, Hendrik Gideon (MDPI, 2022-02-25)

  This study presents the first known exploration of Congo red dye (CR) adsorption by a polycationic Fe/Al Di-metal nanostructured composite (PDFe/Al) synthesised using Fe(III) and Al(III) recovered from authentic acid mine ...
• Enterococcus spp. cell-free extract : an abiotic route for synthesis of selenium nanoparticles (SeNPs), their characterisation and inhibition of Escherichia coli 

  Tendenedzai, Job Tatenda; Chirwa, Evans M.N.; Brink, Hendrik Gideon (MDPI, 2022-02-16)

  Selenite (SeO3 2), the most toxic and most reactive selenium (Se) oxyanion, can be reduced to elemental selenium (Se0) nanoparticles by a variety of bacteria, including Enterococcus spp. Previously, the orthodox view held ...
• The role of pH, electrodes, surfactants, and electrolytes in electrokinetic remediation of contaminated soil 

  Gidudu, Brian; Chirwa, Evans M.N. (MDPI, 2022-10-30)

  Electrokinetic remediation has, in recent years, shown great potential in remediating polluted environments. The technology can efficiently remove heavy metals, chlorophenols, polychlorinated biphenyls, phenols, ...
• Rapid removal of Cr(VI) from aqueous solution using polycationic/Di-metallic adsorbent synthesized using Fe3+/Al3+ recovered from real acid mine drainage 

  Muedi, Khathutshelo Lilith; Masindi, Vhahangwele; Maree, Johannes Philippus; Brink, Hendrik Gideon (MDPI, 2022-10-19)

  The mining of valuable minerals from wastewater streams is attractive as it promotes a circular economy, wastewater beneficiation, and valorisation. To this end, the current study evaluated the rapid removal of aqueous ...
• Development and characterization of Na2CO3-activated Mozambican bentonite : prediction of optimal activation conditions using statistical design modeling 

  Macheca, Afonso D.; Mapossa, António Benjamim; Cumbane, António J.; Sulemane, Asmina E.; Tichapondwa, Shepherd Masimba (MDPI, 2022-09-01)

  A calcium bentonite clay from Boane region (Mozambique) was subjected to an Na2CO3 activation process. The methylene blue test together with energy-dispersive X-ray spectroscopy (EDX) analysis indicated the successful ...
• Analyzing influence of mix design constituents on compressive strength, setting times, and workability of geopolymer mortar and paste 

  Aina, Samuel Tomi; Oyejobi, Damilola; Jameel, Mohammed; Adewuyi, Adekunle; Avudaiappan, Siva; Maureira-Carsalade, Nelson (Hindawi, 2023-05-19)

  Geopolymer concrete and mortar have evolved over the years as potential alternatives for reducing the greenhouse gases associated with cement production. This current research was aimed at investigating the optimum dosage ...
• Polypropylene (PP) nanocomposites with transition metal (MgCoAl, MgNiAl, MgCuAl, MgZnAl) layered double hydroxides (t-LDHs) : flammability, thermal and mechanical analysis 

  Leuteritz, Andreas; Naseem, Sajid; Wiebanr, Sven; Kuhnert, Ines; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus); Leuteritz, Andreas (Elsevier, 2023-04)

  Over the last few years, transition metal based LDHs are drawing more and more attention. This is especially true for tri-metal LDHs due to their wide range of applications. This research work highlights four types of ...
• Lignocellulosic biomass-derived nanocellulose crystals as fillers in membranes for water and wastewater treatment : a review 

  Sadare, Olawumi O.; Yoro, Kelvin O.; Moothi, Kapil; Daramola, Michael Olawale (MDPI, 2022-03-11)

  The improvement of membrane applications for wastewater treatment has been a focal point of research in recent times, with a wide variety of efforts being made to enhance the performance, integrity and environmental ...
• Effect of silica sodalite loading on SOD/PSF membranes during treatment of phenol-containing wastewater 

  Sadare, Olawumi O.; Ngobeni, Rivoningo; Daramola, Michael Olawale (MDPI, 2022-08-19)

  In this study, silica sodalite (SSOD) was prepared via topotactic conversion and different silica sodalite loadings were infused into the polysulfone (PSF) for application in phenol-containing water treatment. The composite ...
• Thermogravimetric properties and degradation kinetics of biomass during its thermochemical conversion process 

  Ikegwu, U.M.; Okoro, N.M.; Ozonoh, M.; Daramola, Michael Olawale (Elsevier, 2022)

  Please read abstract in the article.
• Co-digestion of wastewater treatment sewage sludge with various biowastes : a comparative study for the enhancement of biogas production 

  Mudzanani, Khuthadzo; Iyuke, Sunny E.; Daramola, Michael Olawale (Elsevier, 2022)

  Please read abstract in the article.
• Application of Irvingia gabonensis, Manihot esculenta and Artocarpus altilis as rheological modifier in water-based drilling fluid 

  Arinkoola, A.O.; Jimoh, M.O.; Salawudeen, T.O.; Daramola, Michael Olawale (Elsevier, 2022)

  Please read abstract in the article.
• Towards understanding photon absorption and emission in MgAl layered double hydroxide 

  Gevers, B.R. (Bianca); Roduner, Emil; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus) (Royal Society of Chemistry, 2022-01)

  Please read abstract in the article.
• Accelerated photo-oxidation of Polyamide 11 nanocomposites under various clays nanofillers 

  Dehouche, Nadjet; Kaci, Mustapha; Focke, Walter Wilhelm; Van der Merwe, Liezel (Wiley, 2022-08)

  The effect of various clays nanofillers on the photo-oxidation of polyamide 11 (PA11) has been investigated by accelerated ultraviolet (UV) test up to 780 h. Organo-modified montmorillonite, halloysite nanotubes, and ...
• Heat-constrained modelling of calcium sulphate reduction 

  Jordan, Luke; Van Vuuren, David (Southern African Institute of Mining and Metallurgy, 2022-10)

  A two-dimensional finite difference model has been developed to describe the reduction of kilogram quantities of dehydrated phosphogypsum. The model’s scope has been limited to focus on the heat transfer and reactions ...
• Fully automated coal quality control using digital twin material tracking and statistical model predictive control for yield optimization during production of semi soft coking- and station coal 

  Coetzee, B.J.; Sonnendecker, Paul Walter (Southern African Institute of Mining and Metallurgy, 2022-08)

  The quality control of a two-stage coal washing process involves several complex components that need to be modelled accurately, to enable autonomous control of the process. The first objective is to develop a method to ...
• Cellulose acetate/organoclay nanocomposites as controlled release matrices for pest control applications 

  Mphateng, Thabang N.; Mapossa, António Benjamim; Wesley-Smith, James; Ramjee, Shatish; Focke, Walter Wilhelm (Springer, 2022-05)

  This study aimed to develop cellulose-based polymer matrices as controlled release devices for plant-based insect repellents and attractants, with the aim of finding sustainable and environmentally friendly pest control ...
• Optimisation of selenite reduction using Enterococcus spp. under anaerobic conditions 

  Mangwandi, Tafadzwa M.; Tendenedzai, Job Tatenda; Chirwa, Evans M.N.; Brink, Hendrik Gideon (Italian Association of Chemical Engineering, 2022)

  With the drastic increase in selenium-releasing anthropogenic activities, the bioaccumulation of toxic selenium oxyanion in the environment has increased significantly, posing deleterious effects to living organisms. ...

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