• Berberine isolation from Coscinium fenestratum: optical, electrochemical, and computational studies 

      Rajapakse, R. M. Gamini; Horrocks, Benjamin R.; Malikaramage, A.U.; Gunarathna, H.M.N.P.; Egodawele, M.G.S.A.M.E.W.D.D.K.; Jayasinghe, J. M. Susanthi; Ranatunga, Udayana; Herath, W.H.M.R.N.K.; Sandakelum, Lahiru; Wylie, Shane; Abewardana, P.G.P.R.; Seneviratne, V.N.; Perera, L.L.K.; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)
      Berberine was extracted from Coscinium fenestratum (tree turmeric) and purified by column chromatography. The UV-Vis absorption spectroscopy of berberine was studied in acetonitrile and aqueous media. TD-DFT calculations ...
    • Implementing the donor–acceptor approach in electronically conducting copolymers via electropolymerization 

      Rajapakse, Gamini; Watkins, Davita; Ranathunge, Tharindu; Gunarathne, H M N P; Sandakelum, Lahiru; Malikaramage, Asitha Udayanga; Wylie, Shane; Abewardane, P G P R; Egodawela, M. G. S. A. M. E. W. D. D. K; Herath, W. H. M. R. N. K.; Bandara, Sanjaya; Strongin, Daniel R; Attanayake, Nuwan Harsha; Velauthapillai, Dhayalan; Horrocks, Benjamin R (Peer reviewed; Journal article, 2022)
      Electropolymerization has become a convenient method for synthesizing and characterizing complex organic copolymers having intrinsic electronic conductivity, including the donor (D)–acceptor (A) class of electronically ...