About the Authors

Annah M. Ondieki

Roles Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

moraa94annah@gmail.com

Affiliation Laser Physics and Spectroscopy Research Group, Department of Physics, University of Nairobi, Nairobi, Kenya

Zephania Birech

Roles Conceptualization, Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Laser Physics and Spectroscopy Research Group, Department of Physics, University of Nairobi, Nairobi, Kenya

Kenneth A. Kaduki

Roles Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Laser Physics and Spectroscopy Research Group, Department of Physics, University of Nairobi, Nairobi, Kenya

Peter W. Mwangi

Roles Conceptualization, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Department of Medical Physiology, University of Nairobi, Nairobi, Kenya

Moses Juma

Roles Data curation, Formal analysis, Methodology

Affiliations Laser Physics and Spectroscopy Research Group, Department of Physics, University of Nairobi, Nairobi, Kenya, UNESCO-UNISA Africa Chair in Nanoscience/Nanotechnology, College of Graduate Studies, University of South Africa (UNISA), Pretoria, South Africa

Boniface M. Chege

Roles Data curation, Investigation, Methodology

Affiliations Department of Medical Physiology, University of Nairobi, Nairobi, Kenya, School of Health Sciences, Dedan Kimathi University of Technology, Dedan Kimathi, Kenya

Competing Interests

There are no financial interests or personal relationships that could have appeared to influence the work reported in this paper and potential competing interests don’t exist.