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Browsing by Impact Area "Advanced Polymer Composites"

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Analytical techniques to quantify modifiers in bitumen for the South African asphalt pavement industry

Author: Makhari, A ; Hawes, Nomashaka BN ; Mturi, George AJ ; Ojijo, Vincent O Date: Jul 2021 Modifying bitumen is currently a common practice in South Africa. The asphalt pavement industry has seen an increase in use of different types of modifiers in an attempt to improve or extend the properties of bitumen. Common modifiers used ... Read more
Antibiotic 3D printed Materials for healthcare applications

Author: Mokhena, Teboho C ; John, Maya J ; Mochane, MJ ; Sadiku, ER ; Motsoeneng, TS ; Mtibe, Asanda ; Tsipa, PC Date: May 2020 Since its introduction in the past 25 years, three-dimensional (3D) printing has been a major research topic owing to its potential to overcome the limitations of conventional 3D manufacturing techniques, that is, to control the overall ... Read more
Application of electrospun materials in oil–water separations

Author: Mokhena, Teboho C ; John, Maya J ; Mochane, MJ ; Tsipa, PC Date: Apr 2020 There has been ever-increasing pressure to come up with novel strategies for oily wastewater treatment since it affect the available water sources, crop production, aquatic life and human health. Electrospun nanofibrous materials with attractive ... Read more
Bioelectricity generation by natural microflora of septic tank wastewater (STWW) and biodegradation of persistent petrogenic pollutants by basidiomycetes fungi: An integrated microbial fuel cell system

Author: Thulasinathan, B ; Jayabalan, T ; Sethupathi, M ; Kim, W ; Muniyasamy, Sudhakar ; Sengottuvelan, N ; Nainamohamed, S ; Ponnuchamy, K ; Alagarsamy, A Date: Jan 2021 The microbial fuel cell is a unique advantageous technology for the scientific community with the simultaneous generation of green energy along with bioelectroremediation of persistent hazardous materials. In this work, a novel approach of ... Read more
Cellulose nanocrystals-based composites

Author: Mokhena, Teboho C ; John, Maya J ; Mochane, MJ ; Mtibe, Asanda ; Motsoeneng, TS ; Mokhothu, TH ; Tshifularo, CA Date: Jan 2020 Cellulose nanocrystals and cellulose nanocrystals-based composites with their unique features, such as abundance, renewability, high strength and stiffness, eco-friendliness, and relatively low density received unprecedented interest from ... Read more
Cellulose nanomaterials: New generation materials for solving global issues

Author: Mokhena, Teboho C ; John, Maya J Date: Feb 2020 This review describes the recent advances in the production and application of cellulose nanomaterials. Cellulose nanomaterials (CNMs), especially cellulose nanocrystals and cellulose nanofibers, can be produced using different preparation ... Read more
The Circular Economy as Development Opportunity: Exploring Circular Economy Opportunities across South Africa’s Economic Sectors

Author: Godfrey, Linda K ; Nahman, Anton ; Oelofse, Suzanna HH ; Trotter, Douglas ; Khan, Sumaya ; Nontso, Zintle ; Magweregwede, Fleckson ; Sereme, Busisiwe V ; Okole, Blessed N ; Gordon, Gregory ER ; Brown, Bernadette ; Pillay, Boyse ; Schoeman, Chanel ; Fazluddin, Shahed ; Ojijo, Vincent O ; Cooper, Antony K ; Kruger, Daniel M ; Napier, Mark ; Mokoena, Refiloe ; Steenkamp, Anton J ; Msimanga, Xolile P ; North, Brian C ; Seetal, Ashwin R ; Mathye, Salamina M Date: Dec 2021 The intention of this book is to present the CSIR’s position and interpretation of the circular economy, and to use it to drive discussions on where immediate circular economy opportunities are achievable in South Africa. Opportunities that ... Read more
Design and development of cellulosic bionanocomposites from forestry waste residues for 3D printing applications

Author: Mathew, Maya J ; Dyanti, Nokuzola ; Mokhena, Teboho C ; Agbakoba, Victor ; Sithole, Bishop B Date: Jun 2021 This paper deals with the development of cellulose nanofibres (CNFs) reinforced biopolymers for use in packaging applications. Cellulose nanofibres were extracted from sawdust by a combination of chemical and mechanical treatments. The extracted ... Read more
Development of sustainable biobased polymer and bio-nanocomposite materials using nanocellulose obtained from agricultural biomass

Author: Mtibe, Asanda ; Muniyasamy, Sudhakar ; Motaung, TE Date: Jul 2020 Biobased polymer and bio-nanocomposites have provided significant improvement in material science, moving towards the development of green materials to replace petro-based materials. The present study investigated the value-added utilisation ... Read more
Effect of clay nanofillers on the mechanical and water vapor permeability properties of xylan–alginate films

Author: Naidu, Darrel S ; Mathew, Maya J Date: Oct 2020 In this study, xylan–alginate-based films were reinforced with nanoclays (bentonite or halloysite) by the solvent casting technique. The effect of the nanoclay loadings (1–5 wt %) on various properties—mechanical, optical, thermal, solubility, ... Read more
Esterified cellulose nanofibres from saw dust using vegetable oil

Author: Mokoena, Teboho P ; Mathew, Maya J Date: Apr 2020 In this work, cellulose nanofibres (CNFs) were extracted from sawdust, which is an underutilized by-product from the wood and timber industry. The extracted CNFs by chemical and mechanical treatments had a web-like structure with diameters ... Read more
Influence of nucleation and growth mechanisms on the heat deflection temperature of a reactively processed polypropylene nanocomposite

Author: Bandyopadhyay, Jayita ; Mekoa, Raphaahle C ; Makwakwa, Dimakatso M ; Skosana, Sifiso ; Ray, Suprakas S Date: Feb 2021 The development of a reactively processed polypropylene nanocomposite (PPNC) with consequential improvements in the heat deflection temperature (HDT), Vicat softening temperature (VST), and crystallization peak temperature (Tc) is reported ... Read more
Marine microbial pharmacognosy: Prospects and perspectives

Author: Mohanrasu, K ; Guru Raj Rao, R ; Sudhakar, Muniyasamy ; Raja, R ; Jeyakanthan, J ; Arun, A Date: Nov 2020 Modern scientific advancements and research on marine microbes has revealed their significance as producers of therapeutic products useful in treating various human diseases. Microbes in marine habitat have evolved to adapt to the harsh ... Read more
Metal oxide nanocomposites for adsorption and photoelectrochemical degradation of pharmaceutical pollutants in aqueous solution

Author: Mdlalose, Lindani M ; Chauke, Vongani P ; Nomadolo, Elizabeth N ; Msomi, P ; Setshedi, Katlego Z ; Chimuka, L ; Chetty, Ashlen Date: Apr 2020 The global deterioration of water quality which is associated with industrialisation, urbanisation, and a growing population is reaching critical levels and thus needs to be addressed urgently. Common pollutants that are discharged from ... Read more
Morphology, thermal, and thermomechanical properties of cellulose nanocrystals reinforced polyactide/poly[(butylene succinate)-co-adipate] blend composite foams

Author: Motloung, Mpho P ; Zungu, Simphiwe ; Ojijo, Vincent O ; Bandyopadhyay, Jayita ; Ray, Suprakas S Date: Oct 2020 This study examines the influence of cellulose nanocrystal (CN) particles on the morphological, thermal, and thermo-mechanical properties of polylactide (PLA)/poly [(butylene succinate)-co-adipate] (PBSA) blend foams prepared by casting and ... Read more
Nanomaterials: Types, synthesis and characterization

Author: Mokhena, Teboho C ; John, Maya J ; Sibeko, MA ; Agbakoba, VC ; Mochane, MJ ; Mtibe, Asanda ; Mokhothu, TH ; Motsoeneng, TS ; Phiri, MM ; Mofokeng, Tladi G Date: Mar 2020 Nanoparticles are generally defined as particles having one or more dimensions of sizes ranging from 1 to 100 nm. Nanoparticles can be classified into organic, inorganic and carbon-based materials. In comparison with conventional micro-size ... Read more
Optimization of media components and culture conditions for polyhydroxyalkanoates production by Bacillus megaterium

Author: Mohanrasu, K ; Guru Raj Rao, R ; Dinesh, GH ; Zhang, K ; Siva Prakash, G ; Song, D ; Muniyasamy, Sudhakar ; Pugazhendhi, A ; Jeyakanthan, A ; Arun, A Date: Jul 2020 Polyhydroxybutyrate (PHB) accumulating Bacillus megaterium was isolated from marine water. To increase the PHB productivity by Bacillus megaterium, steps were taken to evaluate the effects of carbon sources (arabinose, glucose, glycerol, ... Read more
An overview of nanotoxicological effects towards plants, animals, microorganisms and environment

Author: Ananthi, V ; Mohanrasu, K ; Boobalan, T ; Anand, K ; Chuturgoon, A ; Balasubramanian, V ; Yuvakkumar, R ; Arun, A ; Sudhakar, Muniyasamy Date: Mar 2020 In recent years, nanotechnology has reached the limelight of research in applications of medicine and technology. Due to its onset, huge varieties of nanoparticles possessing significant characters are synthesized with broad application fields. ... Read more
Qualitative assessment on the surfactant traces from the organically modified nanoclay containing polymer nanocomposite

Author: Khoza, Mary ; Sinha Roy, Jayita ; Ray, Suprakas S ; Ojijo, Vincent O Date: Nov 2020 Traces of quaternary ammonium salt from dispersed nanoclay in PA6/6.6 polymer nanocomposite may have some potential toxicological effects that could pose a risk to human health. Modified nanocomposite system was produced by masterbatch melt ... Read more
Recycling of plastics and composites materials and degradation technologies for bioplastics and biocomposites

Author: Muniyasamy, Sudhakar ; Dada, OS Date: Jan 2021 Plastic becomes a necessity for our day-to-day life, since it has been widely used in all major sectors including the textile industry. However, the tackling of these recalcitrant plastic-based products wastes is becoming the most challenging ... Read more

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