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Browsing by Author "Saasa, Valentine R"

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The hierarchical nanostructured Co-doped WO3/carbon and their improved acetone sensing performance

Author: Saasa, Valentine R ; Malwela, Thomas ; Lemmer, Yolandy ; Beukes, M ; Mwakikunga, Bonex W Date: Oct 2020 Hierarchical nanostructured Co-doped WO3 with carbon as template has been successfully synthesised through facile sol-gel method. The synthesised Co-doped WO3 was characterized by X-ray diffraction, Scanning electron microscopy, Transmission ... Read more
Optical and structural properties of multi-wall-carbonnanotube-modified ZnO synthesized at varying substrate temperatures for highly efficient light sensing devices

Author: Saasa, Valentine R ; Mokwena, M ; Dhonge, B ; Manikandan, E ; Kennedy, J ; Murmu, PP ; Dewar, J ; Erasmus, R ; Whaley, MF ; Mukwevho, E ; Mwakikunga, Bonex W Date: Dec 2015 Melanins are difficult to characterize because of their intractable chemical properties and the heterogeneity in their structural features. Melanin pigments, in fact, are composed of many different types of monomeric units that are connected ... Read more
Sensing technologies for detection of acetone in human breath for diabetes diagnosis and monitoring

Author: Saasa, Valentine R ; Malwela, Thomas ; Beukes, M ; Mokgotho, M ; Liu, CP ; Mwakikunga, Bonex W Date: Jan 2018 The review describes the technologies used in the field of breath analysis to diagnose and monitor diabetes mellitus. Currently the diagnosis and monitoring of blood glucose and ketone bodies that are used in clinical studies involve the use ... Read more
Structural, optical and light sensing properties of carbon-ZnO films prepared by pulsed laser deposition

Author: Saasa, Valentine R ; Mukwevho, E ; Mwakikunga, Bonex W Date: Sep 2016 There has been tremendous interest in ZnO as well as carbon materials; these are already in various technological devices. Work on the combination of ZnO and carbon materials is gaining interest [8-10] since these composites benefit from the ... Read more

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Browsing by Author "Saasa, Valentine R"

Browsing by Author "Saasa, Valentine R"

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