1. Isam, Ali Mohamed Ahmed, Isao, Morishima, and Nobuhiro, Mori. Purification and Characterization of milk-clotting enzyme from Solanum dubium seeds (2007). Annual Conference of Japan Society of Bioscience, Biotechnology and Biochemistry. Yamaguch, Japan.

2. Isam, Ali Mohamed Ahmed, Jiro Arima, Tsuyoshi Ichiyanagi, Emi Sakuno, and Nobuhiro Mori (2008). Microbial degradation of quaternary ammonium compounds: Screening of 3-N-trimethylaminopropanol degrading microorganism. Annual Conference of Japan Society of Bioscience, Biotechnology and Biochemistry. Tottori, Japan.

3. Isam, Ali Mohamed Ahmed, Jiro Arima, Tsuyoshi Ichiyanagi, and Nobuhiro Mori (2011). Microbial degradation of homocholine. The 8th International Joint Symposium between Japan and Korea. Yonago, Japan.