Prof. Esimone, the pioneer dean of the Faculty of Pharmacy, NAU, who became a professor at the age of 37, emerging as the youngest professor in the university and first professor of pharmacy, is also the first professor of pharmaceutical microbiology in south-eastern Nigeria.Esimone is a recipient of several awards, which include the Alexander von Humboldt Fellowship to Germany (2003-2005), Visiting Scientist to the University of Pittsburgh, USA (2007-2008), the ANDI Bright Contest Award for the Best African Innovative Researcher, South Africa (2009), Young Scientist (representing Nigeria) at the “Summer Davos” Annual Meeting of New Champions, Tianjin, China (2010) and the CV Raman Senior Fellowship, India (2013).He is a member of the Governing Council of the Pharmacists Council of Nigeria, the Nnamd iAzikiwe University and the Nanomedicine Society of Nigeria; he is, indeed, the pioneer national president of the Nanomedicine Society of Nigeria. Prof. Esimone, who has successfully supervised over 35 postgraduate students, is a recipient of various national and international grants and a reviewer to several national and international journals. He is a member of several professional bodies including the Global Young Academy and the American Society for Cell biology.

Screening of Lichens, Ferns, indigenous Nigerian Herbs and Spices for antimicrobial (antifungal, antibacterial and antiviral) activity. Evaluation of nosocomial and community-acquired resistance pattern amongst bacteria Quality control of Pharmaceutical Dosage forms marketed in Nigeria. Bioavailability studies of various antibiotic brands marketed in Nigeria In vitro and in vivo evaluations of herb-drug, drug-drug and food-drug interaction between antibiotics and some commonly co-administered herbs, drugs or food. Evaluation of the microbial purity of bottled water and non-sterile Pharmaceutical /herbal medicinal products marketed in Nigeria. Study of synergy between various antibiotic combinations. Toxicological evaluations of indigenous medicinal plants. Development of biotechnological products such as vaccines for tropical diseases.