https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/sem
SEM
Scanning Electron Microscope The laboratory has one FEI Quanta FEG 250 electron microscope which can be booked for assisted and independent imaging. The FEI Quanta addresses the need to examine a wide range of materials and characterize structure and composition by providing unrivalled flexibility to enhance both performance and…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/tem
TEM
Transmission Electron Microscope The 200 kV FEG FEI Tecnai G2 F20 TEM is designed for high-end conventional and high resolution TEM work on a diverse variety of materials science challenges, including nanomaterials, metal alloys, polymers, ceramics, and minerals. Capabilities Brightfield Imaging Darkfield Imaging Selected…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/equipment-booking
Equipment Booking
Procedure for Booking Contact us via the contact form and we will get back to you as soon as possible. Take note of the following: - Please notify us if you publish work containing any images taken in the LEM! - It is a requirement that you provide LEM staff with an electronic copy of any publication which arises from use of LEM…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/2021-publications
2021 Publications
Rudaviro Garidzirai, Phillimon Modisha, Innocent Shuro, Jacobus Visagie, Pieter van Helden, Dmitri Bessarabov: The Effect of Mg and Zn Dopants on Pt/Al2O3 for the Dehydrogenation of Perhydrodibenzyltoulene, Catalysts 2021, 11, 490. https://doi.org/10.3390/catal11040490 Marcelo M. Barreto Filho, Pierre M. Durand, Nathan E.…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/2020-publications
2020 Publications
AE Kozhukhova, SP du Preez, I Shuro, DG Bessarabov: Development of a low purity aluminium alloy (Al6082) anodization process and its application as a platinum-based catalyst in catalytic hydrogen combustion, Surface and Coatings Technology 404 (2020), 126483, https://doi.org/10.1016/j.surfcoat.2020.126483 Elemike, E.E., Onwudiwe, D.…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/2019-publications
2019 Publications
Elemike, E.E., Onwudiwe, D.C., Nundkumar, N., Singh, M. & Iyekowa, O. 2019. Green synthesis of Ag, Au and Ag-Au bimetallic nanoparticles using Stigmaphyllon ovatum leaf extract and their in vitro anticancer potential. J Materials Letters, 243:148-152. https://doi.org/10.1016/j.matlet.2019.02.049 : Mulder DW…https://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/2018-publications
2018 Publications
F. Bandama, S. Chirikure, S. Hall, I. Shuro: Iron Fabrication during the “Age” of Tin and Bronze in the Southern Waterberg of Limpopo Province, South Africa, Studies in the African Past, Vol 13/14 (2018), ISSN 1821 – 7745 Nestor Fernandez, Pieter Theron, Sergio Leiva & Anine Jordaan…https://natural-sciences.nwu.ac.za/science-centre/national-science-week-2021-water-science
National Science Week 2021: Water Science
ABOUT THIS ACTIVITY: Pre-recorded video presentation on Water Sciences. PRESENTER: Mr Emile Hoffman DATE: August 2021 LINKhttps://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/sem-images
SEM Images
Secondary Electron Low kV Imaging Back Scattered ArcheoMetallurgical Images Biological sampleshttps://natural-sciences.nwu.ac.za/laboratory-electron-microscopy/tem-images
TEM Images
TEM Brightfield Images HRTEM - Image Processing Biological sampleshttps://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/research-team-staff
Research Team - Staff
Prof Stuart Piketh School for Geo- and Spatial Sciences | Unit for Environmental Sciences and Management View profile Prof Stuart Piketh obtained his PhD at the University of the Witwatersrand in 2000 where he also worked as a Reeder and Director of the Climatology Research Group until he joined North-West University as a Professor…https://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/research-team-interns
Research Team - Interns
Oarabile Masekwameng Mantlhwa Oarabile Louisa Masekwameng became a member of the Climatology Research Group at North-West University in January 2024. Holding an Honorary Degree in Urban and Regional Planning from the same university, her…https://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/research-team-students
MSc Students
Leandri Wessels MSc Student "Correlating biological soil crust communities with atmospheric conditions in the Namib desert" Lerato Tshisi MSc Student "Modelling ambient vehicle emissions in Zamdela using AERMOD" Gabriel Khumalo-Louw MSc Student…https://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/research-projects
Research Projects
Ongoing research projects WRC Project - Current status and future predicted distribution patterns of bilharzia transmitting snails and implications for vector-borne diseases in South Africa. 1 April 2020 –31 March 2023 Background Climate change is predicted to severely affect both aquatic ecosystems by changing rainfall…https://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/research-publications
Research Publications
Chronological list of all publications Peer reviewed Journal Publications [accordion] Prof Roelof Burger Adesina, J.A., Piketh, S.J., Qhekwana, M., Burger, R.P. and Mkhatshwa, G., 2022: Assessment of criteria pollutants contributions from coal-fired plants and domestic solid fuel combustion at the South African industrial…https://natural-sciences.nwu.ac.za/climate-change-air-quality-and-impacts/alumni