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Browsing by Author "Wesley-Smith, J"

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The fabrication and characterization of a PLGA nanoparticle–Pheroid® combined drug delivery system combined drug delivery system

Author: Chelopo, MP ; Kalombo, Lonji ; Wesley-Smith, J ; Grobler, A ; Hayeshi, R Date: Mar 2017 The 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
The floral transcriptome of Eucalyptus grandis

Author: Vining, KJ ; Romanel, E ; Jones, RC ; Alves-Ferreira, M ; Hefer, CA ; Amarasinghe, V ; Dharmawardhana, P ; Naithani, S ; Ranik, M ; Wesley-Smith, J ; Solomon, L ; Jaiswal, P ; Myburg, AA ; Strauss, ST Date: Oct 2015 As a step toward functional annotation of genes required for floral initiation and development within the Eucalyptus genome, we used short read sequencing to analyze transcriptomes of floral buds from early and late developmental stages, and ... Read more
Intracellular ice and cell survival in cryo-exposed embryonic axes of recalcitrant seeds of Acer saccharinum: an ultrastructural study of factors affecting cell and ice structures

Author: Wesley-Smith, J ; Berjak, P ; Pammenter, NW ; Walters, Chavon R Date: Mar 2014 Cryopreservation is the only long-term conservation strategy available for germplasm of recalcitrant-seeded species. Efforts to cryopreserve this form of germplasm are hampered by potentially lethal intracellular freezing events; thus, it is ... Read more
Mechanical, thermal, and fire properties of biodegradable polylactide/boehmite alumina composites

Author: Das, K ; Ray, Suprakas S ; Chapple, Stephen A ; Wesley-Smith, J Date: May 2013 Boehmite alumina (BAl) was investigated in terms of its use as an filler to improve the inherent properties of polylactide (PLA). Composites of PLA with different loadings of BAl were prepared by melt-blending. Morphological analysis using ... Read more
Morphology, thermal properties and crystallization kinetics of ternary blends of the polylactide and starch biopolymers and nanoclay: The role of nanoclay hydrophobicity

Author: Wokadala, OC ; Ray, SS ; Bandyopadhyay, J ; Wesley-Smith, J ; Emmambux, NM Date: Aug 2015 Polylactide/butylated-starch/nanoclay (70/25.5/4.5 wt%) composites were prepared by melt blending with nanoclays of varying hydrophobicity. Electron microscopy studies indicated that the interphase boundary interaction was highest in the clay ... Read more
Nano-enabled products in South Africa and the assessment of environmental exposure potential for engineered nanomaterials

Author: Moeta, Pheeha J ; Wesley-Smith, J ; Maity, Arjun ; Thwala, Melusi Date: Jun 2019 In order to address risks associated with nanotechnology, there needs to be improved understanding of potential sources of engineered nanomaterials (ENMs) into the environment. Nano-enabled products (NEPs) are amongst such sources, and the ... Read more
Polylactide-based magnetic spheres as efficient carriers for anticancer drug delivery

Author: Mhlanga, N ; Ray, Suprakas S ; Lemmer, Yolandy ; Wesley-Smith, J Date: Sep 2015 To improve traditional cancer therapies, we synthesized polylactide (PLA) spheres coencapsulating magnetic nanoparticles (MNPs, Fe(sub3)O(sub4)) and an anticancer drug (doxorubicin, DOX). The synthesis process involves the preparation of ... Read more
Relating wood properties to handsheet porosity and mechanical strength

Author: Maharaj, S ; Wesley-Smith, J ; Bush, TLD Date: Nov 2006 During chemical pulping for papermaking, individual fibres in wood are separated by dissolving the lignin layer cementing these together. The mechanical strength of the paper produced is influenced by the extent to which fibres make physical ... Read more
Why is intracellular ice lethal? A microscopical study showing evidence of programmed cell death in cryo-exposed embryonic axes of recalcitrant seeds of Acer saccharinum

Author: Wesley-Smith, J ; Walters, Chavon R ; Pammenter, NW ; Berjak, P Date: Oct 2015 Background and Aims Conservation of the genetic diversity afforded by recalcitrant seeds is achieved by cryopreservation, in which excised embryonic axes (or, where possible, embryos) are treated and stored at temperatures lower than -180(sub0)C ... Read more

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Browsing by Author "Wesley-Smith, J"

Browsing by Author "Wesley-Smith, J"

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