**Author details**

Garba M. Khalid1 \* and Francesca Selmin<sup>2</sup>

1 Department of Pharmaceutics and Pharmaceutical Technology, Bayero University, Kano, Nigeria

2 Department of Pharmaceutical Sciences, Universita degli Studi di Milano, Milan, Italy

\*Address all correspondence to: khalidgmk@gmail.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
