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Now showing items 21-40 of 10644

An overview of the recent advances in polylactide-based sustainable nanocomposites

Author: Banerjee, R ; Ray, Suprakas S Date: Jan 2021 The article reports recent advances in reference to the existing literature and presents a knowledge gap and potential solution ideas for polylactide (PLA) nanocomposites as sustainable materials. Various types of nanoparticles have been used ... Read more
Complex Coastal Systems: Transdisciplinary Learning on International Case Studies

Author: Slinger, J ; Taljaard, Susan ; D'Hont, F Date: Feb 2020 The transdisciplinary research synthesised in this book represents an endeavour by a group of coastal researchers and policy analysts to learn from a cross-comparison of seven international case studies on tidal inlet or estuary mouth management ... Read more
Spatial Entity Classification Standard (SpECS): A Proposed Standard for South Africa

Author: Cooper, Antony K ; Zietsman, HL Date: Dec 1999 This paper describes the Spatial Entity Classification Standard (SpECS), which has been proposed as a standard for classifying digital geographical data in South Africa, for use in Geographical Information Systems (GIS). The paper begins with ... Read more
A survey of standards for the exchange of digital geo-referenced information

Author: Cooper, Antony K Date: 1988 A number of countries and international organizations are developing standards for the exchange of digital geographically referenced information. This paper provides a survey of some of these standards and highlights the problems associated ... Read more
Consultation paper on concurrence with the ministerial determination on the procurement of 2 500 MW generation capacity from nuclear

Author: Wright, Jarrad G ; Calitz, Joanne R Date: Feb 2021 According to section 34 of the Electricity Regulation Act, 2006 (Act No 4 of 2006 NERSA is required to appropriately apply its regulatory reviews and make decisions prior to the conclusion of the determination process by the Minister of the ... Read more
Pseudocapacitive material for energy storage application: PEDOT and PEDOT:PSS

Author: Adekoya, Gholahan J ; Sadiku, RE ; Hamam, Y ; Ray, Suprakas S ; Mwakikunga, Bonex W ; Folorunso, O ; Adekoya, OC ; Lolu, OJ ; Biotidara, OF Date: Nov 2020 The total volume of solar energy reaching the earth in every second is equivalent to the total energy usage by the entire human race for three days. With this vast amount of clean energy freely available to humanity, there is still heavy ... Read more
A survey of LoRaWAN adaptive data rate algorithms for possible optimization

Author: Lehong, C ; Isong, B ; Lugayizi, F ; Abu-Mahfouz, Adnan MI Date: Nov 2020 The Adaptive Data Rate (ADR) is used in LoRaWAN to ensure optimized data rates and transmission powers for static end devices. However, its implementation is still new, and therefore, its functionalities are limited. Multiple proposals have ... Read more
Optical coherence tomography latent fingerprint image denoising

Author: Mgaga, Sboniso S ; Tapamo, JR Date: Dec 2020 Latent fingerprints are fingerprint impressions left on the surfaces a finger comes into contact with. They are found in almost every crime scene. Conventionally, latent fingerprints have been obtained using chemicals or physical methods, ... Read more
Performance evaluation of polypyrrole-montmorillonite clay composite as a re-usable adsorbent for Cr(VII) remediation

Author: Mdlalose, Lindani M ; Balogun, Mohammed O ; Setshedi, Katlego Z ; Chimuka, L ; Chetty, Avashnee Date: Aug 2020 A flexible composite adsorbent combination of polypyrrole and montmorillonite clay (PPy-MMT) has been prepared by in situ oxidative polymerization method. This well-achieved adsorbent has amphoteric characteristics and has been explored in ... Read more
Analysis of energy-efficient techniques for SDWSN energy usage optimization

Author: Mathebula, I ; Isong, B ; Gasela, N ; Abu-Mahfouz, Adnan MI Date: Nov 2020 Software-Defined Wireless Sensor Networks (SDWSN) has received significant attention in recent years due to its inherent challenges such as network security, trust management, inefficient energy consumption, and so on. In particular, inefficient ... Read more
Solving MKP applied to IoT in smart grid using meta-heuristics algorithms: A parallel processing perspective

Author: Albertyn, J ; Cheng, L ; Abu-Mahfouz, Adnan MI Date: Nov 2020 Increasing electricity prices in South Africa and the imminent threat of load shedding due to the overloaded power grid has led to a need for Demand Side Management (DSM) devices like smart grids. For smart grids to perform to their peak, ... 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
Nanomedicines for the treatment of infectious diseases: Formulation, delivery and commercialization aspects

Author: Dube, A ; Semete-Makokotlela, Boitumelo ; Ramalapa, Bathabile E ; Reynolds, J ; Boury, F Date: Mar 2021 The increasing prevalence of drug resistant pathogenic strains, including multi drug resistant TB along with the growing HIV and malaria resistance demand new routes of innovation for pharmaceutical drug discovery. Nanomedicine provides the ... Read more
Active nanocomposite films based on low density polyethylene/organically modified layered bouble hydroxides/thyme oil to retain retail shelf life and quality of hass avocados

Author: Kesavan Pillai, Sreejarani ; Sivakumar, D ; Ray, Suprakas S ; Obianom, P ; Eggers, Sharon K ; Mhlabeni, T Date: Dec 2020 In this study, the ability of an active film containing volatile bioactives in post-harvest disease control and preservation of quality in avocados is explored as a non-traditional treatment method. Antimicrobial transparent flexible trilayer ... Read more
Synthetic, natural derived lipid nanoparticles and polymeric nanoparticles drug delivery applications

Author: Mohanrasu, K ; Siva Prakash, G ; Boobalan, T ; Ananthi, V ; Dinesh, GH ; Anand, K ; Muniyasamy, Sudhakar ; Chuturgoon, A ; Arun, A Date: Jan 2020 In modern therapeutic field, the delivery to the desired site is a crucial bottleneck that needs to be addressed for efficacy and potency of the administrated drug. The recent advancements in the field of nanotechnology has enabled researchers ... Read more
House modifications for preventing malaria (Review)

Author: Furnival-Adams, J ; Olanga, EA ; Napier, Mark ; Garner, P Date: Jan 2021 Despite being preventable, malaria remains an important public health problem. The World Health Organization (WHO) reports that overall progress in malaria control has plateaud for the first time since the turn of the century. Researchers and ... Read more
Synthesis, physicochemical characterization, toxicity and efficacy of a PEG conjugate and a hybrid PEG conjugate nanoparticle formulation of the antibiotic moxifloxacin

Author: Tshweu, Lesego L ; Shemis, MA ; Abdelghany, C ; Gouda, A ; Pilcher, LA ; Sibuyi, NRS ; Meyer, M ; Dube, A ; Balogun, Mohammed O Date: May 2020 Antibiotic resistance is increasing at such an alarming rate that it is now one of the greatest global health challenges. Undesirable toxic side-effects of the drugs lead to high rates of non-completion of treatment regimens which in turn ... Read more
Circular interpolation techniques towards accurate segmentation of iris biometric images for infants (conference paper)

Author: Nelufule, Nthatheni ; Mabuza-Hocquet, Gugulethu P ; De Kock, Antonie J Date: Jan 2020 In most biometric modalities, recognition and authentication methods for adults have already been fully designed, developed and commercially available. However, for infants and children who are the most vulnerable population to abduction, ... Read more
OTA firmware updates for LoRaWAN using blockchain

Author: Mtetwa, SN ; Sibeko, N ; Tarwireyi, P ; Abu-Mahfouz, Adnan MI Date: Nov 2020 LoRaWAN is one of the LPWAN technologies that has become popular in both industries and research. LoRaWAN aims to provide long-range communication and empowers lowpowered devices to last for years in the field. LoRaWAN relies on the symmetric ... Read more
Reinforcement learning-based resource management model for fog radio access network architectures in 5G

Author: Khumalo, Nosipho N ; Oyerinde, OO ; Mfupe, Luzango Date: Jan 2021 The need to cope with the continuously growing number of connected users and the increased demand for mobile broadband services in the Internet of Things has led to the notion of introducing the fog computing paradigm in fifth generation (5G) ... Read more

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