Institute for Nanotechnology and Water Sustainability

Dr U Sidwaba

College of Science, Engineering and Technology
Institute for Nanotechnology and Water Sustainability
Lecturer
Tel: 011 471 3978
E-mail: sidwatu@unisa.ac.za

Qualifications

  • PhD Chemistry (University of the Western Cape,  2017)
  • MSc Chemistry (University of the Western Cape, 2014)
  • BSc Honours (University of the Western Cape, 2012)

Currently teaching

  • Analytical Chemistry
  • Electrochemistry
  • Materials science
  • Biosensors
  • Conducting polymers
  • Polymers nanocomposites

Fields of academic interests

  • Therapeutic drug metabolism profiling using electrochemical biosensors
  • Electro-degradation of water pollutants
  • Membranes reactors for water treatment
  • Electrochemical bio/sensors for quantification of heavy metals
  • Photocatalysis

Journal articles

  • Sidwaba, U., Ntshongontshi, N., Feleni, U., Wilson, L., Waryo, T. and Iwuoha, E.I. Manganese Peroxidase-Based Electro-Oxidation of Bisphenol A at Hydrogellic Polyaniline-Titania Nanocomposite-Modified Glassy Carbon Electrode. (2019). Electrocatalysis. 10, 1-9.  https://doi.org/10.1007/s12678-019-0510-x

 

  • Feleni, U., Ajayi, R.F., Jijana, A., Sidwaba, U., Douman, S., Baker, P. and Iwuoha, E. (2017). Tin Selenide Quantum Dots Electrochemical Biotransducer for the Determination of Indinavir-A Protease Inhibitor Anti-Retroviral Drug. Journal of Nano Research. 45, 12-24. https://doi.org/10.4028/www.scientific.net/JNanoR.45.12

 

  • Samantha Douman, Usisipho Feleni, Natasha Ross, Xolile Fuku, Rachel Ajayi, Ezo Nxusani, Nomaphelo Ntshongontshi, Unathi Sidwaba, Candice Rassie, Abongile Jijana, Priscilla Baker, Avril Williams and Emmanuel Iwuoha. (2016). New Generation Nanoelectrochemical Biosensors for Disease Biomarkers: 1. Indium Telluride Quantum Dots Signaling of Telomerase Cancer Biomarker.  Journal of Nanoscience and Nanotechnology. 16(12), 12844-12850. https://doi.org/10.1166/jnn.2016.13648

 

 

  • Unathi Sidwaba, Usisipho Feleni, Hlamulo Makelane, Ezo Nxusani, Lindsay Wilson, Sinazo Qakala, Candice Rassie, Milua Masikini, Tesfaye Waryo, Rachel Fanelwa Ajayi, Priscilla Gloria Lorraine Baker and Emmanuel Iheanyichukwu Iwuoha. (2016). A Novel Polyaniline Nanocomposite with Doping Effects of Poly(Methyl Methacrylate) and TiO2 Nanoparticles. Journal of Nano Research. 44, 281-292. https://doi.org/10.4028/www.scientific.net/JNanoR.44.281

 

  • Nomaphelo Ntshongontshi, Abd Almonam A Baleg, Rachel Fanelwa Ajayi, Candice Rassie, Ezo Nxusani, Lindsay Wilson, Usisipho Feleni, Unathi Sidwaba, Sinazo Qakala, Samantha F Douman, Priscilla Gloria Lorraine Baker and Emmanuel Iheanyichukwu Iwuoha. (2016). Cytochrome P450-3A4/Copper-Poly(Propylene Imine)-Polypyrrole Star Co-Polymer Nanobiosensor System for Delavirdine - A Non-Nucleoside Reverse Transcriptase Inhibitor HIV Drug. Journal of Nano Research. 44, 265-280.https://doi.org/10.4028/www.scientific.net/JNanoR.44.265

 

  • Rachel F Ajayi, Unathi Sidwaba, Usisipho Feleni, Samantha F Douman, Oluwakemi Tovide, Subelia Botha, Priscilla Baker, Xolile G Fuku, Sara Hamid, Tesfaye T Waryo, Sibulelo Vilakazi, Robert Tshihkudo and  Emmanuel I Iwuoha. (2014). Chemically amplified cytochrome P450-2E1 drug metabolism nanobiosensor for rifampicin anti-tuberculosis drug. Electrochimica Acta. 128, 149-155. https://doi.org/10.1016/j.electacta.2013.12.147

 

Paper presentations

Publications:  15

Professional positions, fellowships & awards

  • Member of the International Society of Electrochemistry (ISE)
  • Member of Materials Research Society

Projects

  • Development of polymer nanocomposite-based electrochemical sensors for electro-degradation of water pollutants
  • Aptameric membrane reactors for quantification of emerging pollutants in wastewater
  • Photo-electrocatalytic removal of water pollutants