6. M. R. Hasan, A. Chowdhury, A. J. S. Ahammad, C. K. Roy, S. H. Firoz, M. A. Aziz, Fabrication of Electrochemical Nitrite Sensor Using Platinum Coated Jute Carbon, International Conference on Recent Advances in Chemistry 2020, Jagannath University, Dhaka, Bangladesh
5. M. A. Hoaasin, M. M. Rahman, C. K. Roy, S. H. Firoz, Synthesis of a functionalized cellulose-poly(acrylic acid) based hydrogel with high swelling ratio, 39th Annual Conference of Bangladesh Chemical Society 2018, Dhaka, Bangladesh
4. C. K. Roy, T. L. Sun, A. B. Ihsan, D. R. King, T. Nonoyama, T. Nakajima, T. Kurokawa, J. P. Gong, Determination of Adhesive Fracture Toughness of Polyampholyte Hydrogels, First International Symposium on Advanced Soft Matter 2016, Global Station for Soft Matter (GI-CoRE), Hokkaido University, Japan.
3. C. K. Roy, M. T. I. Mredha, A. B. Ihsan, T. L. Sun, T. Nonoyama, T. Nakajima, T. Kurokawa, J. P. Gong, Tuning Adhesion of Hydrogel with Anisotropic Fiber Alignment, Joint Symposium of the Polymer Network Group Meeting and the Gel Symposium (PN&G 2014), The University of Tokyo, Japan.
2. C. K. Roy, A. B. Ihsan, T. L. Sun, T. Nonoyama, T. Nakajima, T. Kurokawa, J. P. Gong, Novel Polyampholyte Hydrogel for Bioinspired Adhesive, International Symposium on Advanced Soft Materials 2013, Hokkaido University, Japan.
1. C. K. Roy, M. A. B. H. Susan, Electrochemical Behavior of Redox Active Ferrocenyl Derivatives in Surfactant Based Organized Media, Bangladesh Chemical Congress 2010, Dhaka, Bangladesh.