Author:Peart, RDate:Jan 2001This article reviews the external factors that influence environmental performance of companies in South Africa, drawing on international and local literature. After considering factors within the natural, social, economic and institutional ...Read more
Author:Berger, E; Crampton, Michael C; Nxumalo, NP; Louw, MEDate:Aug 2011Through modification of the flagellin type III secretion pathway of Bacillus halodurans heterologous peptides could be secreted into the medium as flagellin fusion monomers. The stability of the secreted monomers was significantly enhanced ...Read more
Author:Maepa, CE; Jayaramudu, J; Okonkwo, O; Ray, SS; Sadiku, ER; Ramontja, JDate:Apr 2015This article reports on the extraction and characterization of novel natural cellulose fibers obtained from the maize (tassel) plant. Cellulose was extracted from the agricultural residue (waste biomaterial) of maize tassel. The maize tassel ...Read more
Author:Abraham, E; Deepa, B; Pothan, LA; Jacob, M; Thomas, S; Cvelbar, U; Anandjiwala, RDate:Jun 2011The objective of this work was to develop a simple process to obtain an aqueous stable colloid suspension of cellulose nano fibrils from various lignocellulosic fibres. For the preliminary analysis we have studied three different fibres: ...Read more
Author:Malaka, MS; Naidoo, Kersch; Kabuba, JDate:Apr 2017Siphonochilus aethiopicus is an indigenous South African plant also known as African ginger. It has often been used for its medicinal properties to treat various ailments such as flu, colds, and so forth. The research aim of this study was ...Read more
Author:Bode, ML; Buddoo, SR; Minnaar, SH; Du Plessis, CADate:Aug 2008The successful extraction and isolation of the hydrolysed tetraether lipid calditoglycerocaldarchaeol (GDNT) from Sulfolobus etallicus, a key thermophilic bioleaching archaeon, is described. The archaeal biomasswas recovered directly from a ...Read more
Author:Das, Sonali; Hunter, LawranceDate:Feb 2015The objectives of this study are to develop an understanding of fabric quality related issues and research gaps relevant to apparel manufacturing and merchandising within the South African context. The specific focus is on fabric objective ...Read more
Author:Chelopo, MP; Kalombo, Lonji; Wesley-Smith, J; Grobler, A; Hayeshi, RDate:Mar 2017The combination of polymeric nanoparticles (NPs) as a core and lipid vesicles as a shell has emerged to be a robust and promising drug delivery strategy. This study explores the development of a novel combined delivery system where poly d,l, ...Read more
Author:Mokoena, Teboho P; Hillie, Kenneth T; Swart, HC; Leshabane, N; Tshilongo, J; Motaung, DEDate:Oct 2020We report on the effect of the annealing temperature ramping rate on the gas sensing performance towards n-propanol gas and the luminescence properties using p-type NiO gas sensors prepared by the hydrothermal method and annealed at various ...Read more
Author:Mdletshe, Lindokuhle S; Makgwane, Peter R; Ray, Suprakas SDate:Aug 2019This study report on the synthesis of spinel CuFe2O4 nanostructures by surfactant-assisted method. The catalysts were characterized by X-ray diffraction (XRD), laser Raman, transition electron microscope (TEM), scanning electron microscope ...Read more
Author:Mavundla, SE; Malgas, GF; Motaung, DE; Iwuoha, EIDate:Apr 2012Flower-shaped zinc oxide (ZnO) structures have been synthesized in a microwave at 180 C for 20 minutes using zinc nitrate and KOH. Detailed structural and morphology observation showed that the micron-sized ZnO nano-pencils grow out of the ...Read more
Author:Malatjia, N; Popoola, API; Pityana, Sisa L; Lengopeng, TDate:Jun 2021Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted ...Read more
Author:Cevik, T; Cevik, N; Rasheed, J; Abu-Mahfouz, Adnan MI; Osnan, ODate:May 2023Many face-recognition (FR) methods have been proposed thus far. Although FR has achieved wisdom in square pixel-based image processing (SIP) due to many studies, this wisdom has not been transferred to Hexagonal pixel-based image processing ...Read more
Author:Fashedemi, OO; Ozoemena, KIDate:Jul 2011A facile method has been utilized to synthesize ahydrophobic form of nano-scaled iron (II) tetrasulfophthalocyanine (nanoFeTSPc), integrated with functionalized multi-walled carbon nanotubes (fMWCNT-nanoFeTSPc). The nanocomposite was characterized ...Read more
Author:Ou, T; Chen, H; Hu, B; Zheng, Haitao; Li, W; Wang, YDate:Jul 2018A facile method has been suggested for the preparation of poly [2,20-(p-oxydiphenylene)-5,50-benzimidazole] (OPBI) membrane that comprises of dense and porous layers for high temperature proton exchange membrane fuel cells (HT-PEMFCs). The ...Read more
Author:Hajra, P; Kundu, S; Maity, Arjun; Bhattacharya, CDate:Oct 2019In this study, the organic solvent free ‘green synthesis’ of bismuth vanadate (BiVO4) has been described for its application in photoelectrochemical (PEC) water oxidation. BiVO4 thin films were successfully prepared through electrodeposition ...Read more
Author:Palaniyandy, Nithyadharseni; Rambau, Khavharendwe MA; Musyoka, Nicholas; Ren, JianweiDate:Apr 2020Due to its three-dimensional tunnel structure, the spinel LiMn2[sub]O4[sub] (LMO) cathode material is highly favourable for the migration of lithium ions. Thus, LMO has been used as a commercial cathode material for the electronic devices ...Read more
Author:Palaniyandy, Nithyadharseni; Rambau, Khavharendwe MA; Musyoka, Nicholas M; Ren, JianweiDate:Apr 2020Due to its three-dimensional tunnel structure, the spinel LiMn2O4 (LMO) cathode material is highly favourable for the migration of lithium ions. Thus, LMO has been used as a commercial cathode material for the electronic devices such as mobile ...Read more