About the Authors

Stanley Makumire

Affiliations Department of Biochemistry, School of Mathematics & Natural Sciences, University of Venda, Thohoyandou, South Africa, Department of Biochemistry & Microbiology, University of Zululand, KwaDlangezwa, South Africa

Neerish Revaprasadu

Affiliation Department of Chemistry, University of Zululand, KwaDlangezwa, South Africa

Addmore Shonhai

adshon@gmail.com

Affiliations Department of Biochemistry, School of Mathematics & Natural Sciences, University of Venda, Thohoyandou, South Africa, Department of Biochemistry & Microbiology, University of Zululand, KwaDlangezwa, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS. Performed the experiments: SM. Analyzed the data: AS SM NR. Contributed reagents/materials/analysis tools: AS NR. Wrote the paper: SM AS NR.