**Author details**

Joseph O. Lalah1 \*, Peter O. Otieno2 , Zedekiah Odira<sup>3</sup> and Joanne A. Ogunah4

1 School of Chemistry and Material Science, Technical University of Kenya, Nairobi, Kenya

2 Pest Control Products Board, Kisumu, Kenya

3 Department of Biological Sciences, Masinde Muliro University of Science and Technology, Kakamega, Kenya

4 Department of Physical Sciences, University of Embu, Embu, Kenya

\*Address all correspondence to: joseph.lalah@tukenya.ac.ke

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