1.     Akpan, I. & Kareem, S.O. (2004) Pectinase production by Rhizopus sp. cultured on cheap agricultural materials. Proceedings of Intl Conference on Science & National Dev. Abeokuta, Nigeria Oct. 25th – 28th, 2004. 1:94-96

2.     Akpan, I. Arowolo, TA, Cole, IBP (2006) Plant coagulants: Potential materials for waste water treatment. Proceedings of UNAAB-AMREC in-House Review Meeting, Abeokuta, 29-30 Nov. 2005 1:106-112.

3. Ogundele, K, Idowu, M.A., Awonorin, S. O., Atanda, O.O. and Akpan, I.(2006) “Effect of processing method on stability of Shear Butter during storage” Proceedings of 30th Annual Confab, Nigeria institute of Food Science and Technology. Lagos, Nigeria. 25th — 27th October 2006. Pg. 94 — 95.

4. Ogundele, K, Idowu, M.A., Awonorin, S. O., Atanda, O.O. and Akpan, I.(2006) “Effect of processing method on the yield of Shear Butter.” Proceedings of 30th Annual Confab, Nigeria institute of Food Science and Technology, Lagos, Nigeria. 25th — 27th October, 2006. Pg. 96 — 97.

PATENTS
1. Akpan, I. & Kareem, S. O. (2002). Imarsil and Process of Preparation. Nigerian Patent No. RP 14784.