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Browsing by Impact Area "Advanced Functional Materials"

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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
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, SS ; Obianom, P ; Eggers, SK ; Mhlabeni, T Date: Nov 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
Characterisation of engineered nanomaterials in nano-enabled products exhibiting priority environmental exposure

Author: Lehutso, Raisibe F ; Tancu, Yolanda ; Maity, Arjun ; Thwala, Melusi Date: Mar 2021 Analytical limitations have constrained the determination of nanopollution character from real-world sources such as nano-enabled products (NEPs), thus hindering the development of environmental safety guidelines for engineered nanomaterials ... Read more
Chemical modification of sugarcane bagasse with chitosan for the removal of phosphates in aqueous solution

Author: Manyatshe, Alusani ; Balogun, Mohammed O ; Nkambule, TTI ; Cele, Zamani ED ; Msagati, TAM Date: Nov 2020 Sugarcane bagasse is the major solid waste product of the sugarcane industry. As a plant-derived biomass, it is an attractive environmentally friendly alternative to petroleum-based materials. Being a non-food agriculture product, its use as ... Read more
Dammarane-type triterpenoids with anti-cancer activity from the leaves of Cleome gynandra

Author: Mzondo, Buntubonke ; Dlamini, Nomusa ; Malan, FP ; Labuschagne, Philip W ; Bovilla, VR ; Madhunapantula, SV ; Maharaj, V Date: Jun 2021 Three dammarane-type triterpernoids including two new ones, cleogynones A and B (1 and 2), were isolated from the leaves of Cleome gynandra. The structures of the new triterpenoids were elucidated by spectroscopic data analysis and confirmed ... Read more
Efficient catalytic reduction of nitroaromatics by recyclable 2-naphthalene sulfonic acid doped polyaniline nanotubes decorated with NiFe2O4 nanorods

Author: Sypu, VS ; Kear, NH ; Bhaumik, M ; Raju, Kumar ; Maity, Arjun Date: Mar 2021 A hybrid nanostructure comprising NiFe2O4 nanorods and 2-naphthalene sulfonic acid (2-NSA) doped polyaniline nanotubes (NiFe2O4@PANI/NSA) has been explored as an efficient catalyst for the reduction of nitroaromatics in the aqueous medium. ... Read more
Flower-like structures of carbonaceous nanomaterials obtained from biomass for the treatment of copper ion-containing water and their re-use in organic transformations

Author: Arunachellan, IC ; Sypu, VS ; Kera, NH ; Pillay, K ; Maity, Arjun Date: Aug 2021 In the present work, raw waste material obtained from polluting dried tree fibres (raw TF) as a source of natural carbon was used for the removal of contaminating copper ions in water. Through two sequential steps of oxidation, carbonaceous ... Read more
Fluorinated quaternary chitosan derivatives: Synthesis, characterization, antibacterial activity, and killing kinetics

Author: Cele, Zamani ED ; Somboro, AM ; Amoako, DG ; Ndlandla, Lindokuhle F ; Balogun, Mohammed O Date: Nov 2020 Chitosan has become an established platform biopolymer with applications in biomedical engineering, nanomedicine, and the development of new materials with improved solubility, antimicrobial activity, and low toxicity. In this study, a series ... Read more
Hetero-mixed TiO2-SnO2 interfaced nano-oxide catalyst with enhanced activity for selective oxidation of furfural to maleic acid

Author: Malibo, Pretrus M ; Makgwane, Peter R ; Baker, PGL Date: Jul 2021 Herein we report on the catalytic activity of hetero-mixed TiO2-SnO2 nano-oxide catalyst for the selective liquidphase oxidation of furfural to maleic acid using H2O2 oxidant. The high surface area and strong interaction of the two oxides ... Read more
Layered double hydroxides: An advanced encapsulation and delivery system for cosmetic ingredients-an overview

Author: Kesavan Pillai, Sreejarani ; Kleyi, Phumelele E ; De Beer, Marinda ; Mudaly, Preensha Date: Dec 2020 Topical delivery of active ingredients is very challenging because of the complex structure and excellent barrier properties of human skin. Advances in nanotechnology resulted in nanomaterial based delivery systems to augment the skin absorption ... 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 modulated photocatalytic activity of CeO2 nanostructures for selective oxidation of biobased alphaPinene to oxygenates

Author: Mavuso, MA ; Makgwane, Peter R ; Ray, Suprakash S Date: Nov 2020 The effective Ce3+/Ce4+ redox and oxygen mobility of CeO2 induced by tunable nanostructure morphology has attracted a great interest in photocatalytic organic synthesis. Herein, we report on the microwave‐assisted synthesis of CeO2 with ... 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
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
Physico-chemical characterization of polyethylene glycol-conjugated betulinic acid

Author: Mvango, Sindisiwe ; Mthimkhulu, N ; Fru, PA ; Pilcher, LA ; Balogun, Mohammed O Date: Nov 2020 Betulinic acid (BA) is a naturally occurring plant pentacyclic triterpenoid with activity against cancer and infectious diseases like malaria and AIDS. Its pharmacological activity is limited by low aqueous solubility and bioavailability. ... Read more
Polymer-based protein delivery systems for loco-regional administration

Author: Garcion, E ; Ramalapa, Bathabile ; Buchtova, N ; Toullec, C ; Aucamp, M ; Le Bideau, J ; Hindré, F ; Dube, A ; Alvarez-Lorenzo, C ; Mansor, MH Date: Mar 2021 With the advent of recombinant technology, a wide variety of biocompatible therapeutic proteins can be produced with relative ease. These proteins are formulated and subsequently administered in patients to treat various of diseases in a ... Read more
Preclinical assessment addressing intravenous administration of a [68 Ga]Ga-PSMA-617 microemulsion: Acute in vivo toxicity, tolerability, PET imaging, and biodistribution

Author: Mandiwana, Vusani ; Kalombo, Lonji ; Hayeshi, R ; Zeevaart, JR ; Ebenhan, T Date: Apr 2021 It has been herein presented that a microemulsion, known to be an effective and safe drug delivery system following intravenous administration, can be loaded with traces of [68Ga]Ga-PSMA-617 without losing its properties or causing toxicity. ... 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
Use of herbal extract-based nanoemulsions for hair care application

Author: Okole, Blessed N ; Kesavan Pillai, Sreejarani ; Ndzotoyi, Phatheka, T ; Phasha, Vivey M Date: Mar 2022 Hair is considered an aspect of body appeal and its appearance is a gage of health in every culture. Natural hair products are becoming more in demand than synthetic products because they are considered safe and without severe side effects. ... Read more
Zero valent nickel nanoparticles decorated polyaniline nanotubes for the efficient removal of Pb(II) from aqueous solution: Synthesis, characterization and mechanism investigation

Author: Bhaumik, M ; Maity, Arjun ; Brink, HG Date: Dec 2020 Zero valent nickel nanoparticles (Ni0 NPs) have exhibited potential applicability in various fields including, chemical cells, fuel cells and catalysis. Alike zero valent iron NPs, Ni0 NPs and their composite nanostructures would have great ... Read more

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