Author:Thwala, Melusi; Musee, N; Sikhwivhilu, L; Wepener, VDate:Sep 2013The dispersion of nAg and nZnO engineered nanoparticles (ENPs) in water was investigated through the dissolution and agglomeration analysis over a 14 days exposure period. Before testing, the ENPs were in the nanoscale: 40-60 and 10-130 nm ...Read more
Author:Sikhwivhilu, LM; Kesavan Pillai, Sreejarani; Hillie TKDate:Oct 2010Tin oxide (SnO2) nanoparticles with size range of 19 to 100 nm were successfully synthesized using wet chemical process (i.e. chemical precipitation and sol-gel processes). The results showed that variation of citric acid concentration directly ...Read more
Author:Sparrow, RWDate:27 Feb 2006The aim of this research is to develop a device that will move a rod in 8 nm controllable steps. The researchers are utilising the biological principles and materials of photosynthetic light (energy) harvesting and transfer, ATPsynthase, ATP ...Read more
Author:Roul, BK; Mishra, DK; Ray, M; Sahu, DR; Mishra, PK; Srinivasu, VV; Pradhan, AKDate:May 2009Micron size Fe3O4 powders were chemically prepared and processed by radio frequency (13.56 MHz) oxygen plasma irradiation technique at different elevated temperatures using low radio frequency (RF) power level. Low magnetic field RF superconducting ...Read more
Author:Ozoemena, Kenneth I; Chen, SDate:2016This book provides an authoritative source of information on the use of nanomaterials to enhance the performance of existing electrochemical energy storage systems and the manners in which new such systems are being made possible. The book ...Read more
Author:Swai, HSDate:Oct 2012The author is the principal investigator of the TB Nano drug delivery project which is now going through pre-clinical trials with exciting results, and in this presentation the insights based on the case study will be shared.Read more
Author:Ray, Suprakas SDate:Oct 2012In this presentation the author outlines how nanotechnology is deeply linked with photonics for a bright future.Read more
Author:Roux, SPDate:Nov 2008Nanotechnology research and development is rapidly expanding into a full-scale industry that includes building materials, automotive parts, sports equipment and consumer products. This technology promises significant technological advantages, ...Read more
Author:Ama, OM; Ray, Suprakas SDate:2020Over the last two decades, “nanostructured materials” or “nanostructures” have become popular terms, not only among researchers, but also the general public. Owing to their extraordinary and unexpected behavior; nanostructures have gained ...Read more
Author:Musee, NDate:Sep 2009In this paper, the potential impacts of nanotechnologies in developing countries are examined. Both beneficial and unanticipated risks of nanotechnologies are discussed with reference to the developing countries. Moreover, the mechanisms of ...Read more
Author:Hillie, T; Hlophe, MDate:Aug 2012This chapter discusses water and its sources; the main focus is put on surface water and ground water. Factors such as water pollution and sewage are also discussed in areas of mining and agriculture. Furthermore the global water challenges ...Read more
Author:Musee, NDate:Aug 2011The burgeoning nanotechnology industry is rapidly generating new forms of waste streams generically referred herein as nanowastes. However, little is known about the fate and behavior of these waste streams and their impacts thereof in different ...Read more
Author:Mabena, LF; Ray, SS; Mhlanga, SD; Coville, NJDate:May 2011The science and technology of catalysis is of fundamental importance to a national economy. Today about 90% of all technical chemicals are manufactured by the use of catalysts. Nanoparticles of noble metals are extremely important materials ...Read more
Author:Kesavan Pillai, Sreejarani; Moloto, N; Ray, SSDate:Feb 2009The organization of metal or semiconductor nanoparticles like quantum dots (QDs) on carbon nanotubes (CNTs) is one good example motivated by the desire to combine the properties of two functional nanoscale materials to achieve a wider range ...Read more
Author:Cummings, FDate:Sep 2009Photovoltaic (PV) is the direct conversion of sunlight into electrical energy through a solar cell. This presentation consists of an introduction to photovoltaics, the South African PV research roadmap, a look at the CSIR PV research and ...Read more
Author:Musee, N; Sikhwivhilu, L; Nota, N; Schaefer, Lisa MDate:Nov 2011Historically, development of mankind has been closely intertwined with scientific and technological advancements. In the 21st century, nanotechnology has emerged as an enabling technology with enormous potential of revolutionizing social, ...Read more
Author:Das, J; Pradhan, SK; Samantray, S; Sahu, DR; Mishra, DK; Srinivasu, VV; Roul, BKDate:Jan 2009In order to study the size dependent DMS (Diluted Magnetic Semiconductor) behavior of Mn doped ZnO, the authors have systematically prepared a series of nanosized green powder based on Mn doped ZnO (Zn 1-x Mn x O, where x=0.02 - 0.1) materials ...Read more