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Profile Details
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★★★★★
☆☆☆☆☆
USD 55 /hr
Hire Dr. Penny M.
South Africa
USD 55 /hr

Chemistry Research Scientist @ Mintek • Product formulation, Water Purification & Renewable Energy Expert • 6+ yrs

Profile Summary
Subject Matter Expertise
Services
Writing Technical Writing, Business & Legal Writing
Research Scientific and Technical Research
Consulting Scientific and Technical Consulting, Manufacturing Consulting
Product Development Formulation, Product Validation, Manufacturing, Concept Development, Prototyping
Work Experience

Formulation Scientists

Mintek

July 2021 - Present

Postdoc researcher

Mintek

July 2021 - Present

Postdoc Researcher

University of Fort Hare

September 2020 - July 2021

Associate researcher

University of the Western Cape

January 2020 - June 2020

Education

Chemistry PhD

University of the Western Cape

January 2016 - December 2019

Certifications
  • Certification details not provided.
Publications
JOURNAL ARTICLE
Mawethu Pascoe Bilibana and Marimuthu Citartan and Xolile Fuku and Abongile Nwabisa Jijana and Penny Mathumba and Emmanuel Iwuoha(2022). Aptamers functionalized hybrid nanomaterials for algal toxins detection and decontamination in aquatic system: Current progress, opportunities, and challenges . Ecotoxicology and Environmental Safety. 232. p. 113249. Elsevier {BV}
Nwambaekwe, K.C., John-Denk, V.S., Douman, S.F., Mathumba, P., Yussuf, S.T., Uhuo, O.V., Ekwere, P.I., Iwuoha, E.I.(2021). Crystal engineering and thin-film deposition strategies towards improving the performance of kesterite photovoltaic cell . Journal of Materials Research and Technology. 12. p. 1252-1287.
Nwambaekwe, K.C., Masikini, M., Mathumba, P., Ramoroka, M.E., Duoman, S., John-Denk, V.S., Iwuoha, E.I.(2021). Electronics of anion hot injection-synthesized te-functionalized kesterite nanomaterial . Nanomaterials. 11. (3). p. 1-14.
Penny Mathumba, Diana M Fernandes, Renata Matos, Emmanuel Iwuoha, Cristina Freire (2020). Metal Oxide (Co<sub>3</sub>O<sub>4</sub> and Mn<sub>3</sub>O<sub>4</sub>) Impregnation into S, N-doped Graphene for Oxygen Reduction Reaction (ORR) . Materials.
Mathumba, P., Fernandes, D.M., Matos, R., Iwuoha, E.I., Freire, C.(2020). Metal oxide (Co<inf>3</inf>O<inf>4</inf> and Mn<inf>3</inf>O<inf>4</inf>) impregnation into S, N-doped graphene for oxygen reduction reaction (ORR) . Materials. 13. (7).
Mathumba, P., Maziya, K., Kuvarega, A.T., Dlamini, L.N., Malinga, S.P.(2020). Photocatalytic degradation of a basic dye in water by nanostructured HPEI/TiO<inf>2</inf> containing membranes . Water SA. 46. (3). p. 500-505.
Fernandes, D.M., Mathumba, P., Fernandes, A.J.S., Iwuoha, E.I., Freire, C.(2019). Towards efficient oxygen reduction reaction electrocatalysts through graphene doping . Electrochimica Acta. 319. p. 72-81.
Mathumba, P., Kuvarega, A.T., Dlamini, L.N., Malinga, S.P.(2017). Synthesis and characterisation of titanium dioxide nanoparticles prepared within hyperbranched polyethylenimine polymer template using a modified sol–gel method . Materials Letters. 195. p. 172-177.