• Heterogeneous and homogeneous photocatalytic degradation of chlorophenols in aqueous titanium dioxide and ferrous ion 

  Doong, R-A.; Maithreepala, R.A.; Chang, S-M. (IWA, 2000-10)

  Photocatalytic degradation of 100 mg/l chlorophenols was studied using TiO2 and Fenton reagent as catalysts. 2-chlorophenol, 4-chlorophenol, and 2,4-dichlorophenol were selected as the target compounds. Results showed ...
• The influence of pH and cadmium sulfide on the photocatalytic degradation of 2-chlorophenol in titanium dioxide suspensions 

  Doong, Ruey-an; Chen, Chih-hua (Elsevier, 2001-08)

  The influence of pH and cadmium sulfide on the photocatalytic degradation of 2-chlorophenol (2-CP) in titanium dioxide suspensions was investigated to evaluate the feasibility of mixed semiconductors on the photodegradation ...
• Enhanced remediation of carbon tetrachloride by Fe(II)-Fe(III) systems in the presence of copper ions 

  Maithreepala, R.A.; Doong, R.-A. (PubMed, 2004)

  The effect of Cu(II) ion on the dechlorination of carbon tetrachloride (CT) by Fe(II) associated with various iron oxides was investigated. Iron oxides including goethite, hematite, ferrihydrite and magnetite were selected ...
• Photodegradation of 3,4-dichloropropionamide in aqueous TiO2 suspensions 

  Maithreepala, R.A.; Pathirana, Hema M.K.K. (Elsevier, 1997-01-22)

  Results of the photodegradation of 3,4-DPA in the presence of TiO2 are discussed. 100% destruction of an aqueous solution of 3,4-DPA (265 ppm) occurred within 5 h when illuminated with a medium pressure lamp (λ ≈ 365 nm) ...
• Transformation of carbon tetrachloride by biogenic iron species in the presence of Geobacter sulfurreducens and electron shuttles 

  Maithreepala, R.A.; Doong, Ruey-an (Elsevier, 2009-05-15)

  The transformation of carbon tetrachloride (CT) by biogenic iron species produced from the bioreduction of various Fe(III) oxides in the presence of Geobacter sulfurreducens and electron shuttles were investigated. Cysteine ...
• Enhanced Dechlorination of Chlorinated Methanes and Ethenes by Chloride Green Rust in the Presence of Copper(II) 

  Maithreepala, R. A.; Doong, Ruey-an (ACS Publication, 2005-04-26)

  The enhanced removal of carbon tetrachloride (CCl4), tetrachloroethene (C2Cl4), and trichloroethene (C2HCl3) by chloride green rust (GR(Cl)) in the presence of copper ions was investigated. X-ray powder diffraction (XRPD) ...
• Reductive Dechlorination of Carbon Tetrachloride in Aqueous Solutions Containing Ferrous and Copper Ions 

  Maithreepala, R. A.; Doong, Ruey-an (ACS Publication, 2004-12-15)

  Fe(II) associated with iron-containing minerals has been shown to be a potential reductant in natural subsurface environments. While it is known that the surface-bound iron species has the capacity to dechlorinate various ...
• Degradation of Chlorinated Hydrocarbons by Fe(II) Species: Influence of Cu ions on the dichlorination reaction and modification of mineral surfaces 

  Maithreepala, R.A. (LAP LAMBERT Academic Publishing, 2013)

  Redox processes at the mineral-water interfaces under sub-surface conditions play a vital role in deciding the fate of reducible contaminants in groundwater. Oxidation of surfae-bound and/or structural Fe(II) species ...
• Effect of biogenic iron species and copper ions on the reduction of carbon tetrachloride under iron-reducing conditions 

  Maithreepala, R.A.; Doong, Ruey-an (Chemosphere, 2008)

  In this study, the cell-mediated and abiotic reduction of carbon tetrachloride (CCl4) by biogenic iron species produced from the reductive dissolution of ferrihydrite in the presence of Geobacter sulfurreducens and copper ...
• Coupled Transformation of Carbon Tetrachloride and Copper Ion by Nanocrystalline Ferric Oxides and Ferrous Ions 

  Doong, Ruey-an; Maithreepala, R.A.; Chang, Sue-min (Coupled Transformation of Carbon Tetrachloride and Copper Ion by Nanocrystalline Ferric Oxides and Ferrous Ions, 2005)

  The transformation of carbon tetrachloride (CT) and copper ions by Fe(II) ions associated with nanocrystalline iron oxides minerals including hematite (α-Fe2O3) and ferrihydrite (Fe(OH)3) was investigated. Experiments ...
• Dechlorination of Chlorinated Methanes by Ferrous Ion Associated with Various Iron Oxide Minerals 

  Maithreepala, R.A.; Doong, Ruey-an (Journal of Environmental Engineering and Management, 2006)

  The dechlorination of carbon tetrachloride (CT) by Fe(II) ion in the suspensions of crystalline iron oxide minerals including goethite (α-FeOOH), hematite (α-Fe2O3), magnetite (Fe3O4), and amorphous ferrihydrite (Fe(OH)3) ...
• Synergistic Effect of Copper Ion on the Reductive Dechlorination of Carbon Tetrachloride by Surface-Bound Fe(II) Associated with Goethite 

  Maithreepala, R.A .; Doong, Ruey-an (Environmental Science & Technology, 2004)

  The dechlorination of carbon tetrachloride (CT) by Fe(II) associated with goethite in the presence of transition metal ions was investigated. X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction (XRPD) ...
• Drawbacks of mangrove rehabilitation schemes: Lessons learned from the large-scale mangrove plantations 

  Barnuevo, A.; Asaeda, T.; Sanjaya, K.; Kanesaka, Y.; Fortes, M. (Elsevier, 2017-02-12)

  Mangrove rehabilitation programs received much attention in the past decades as a response to widespread global degradation. While the documented successes and failures of mangrove rehabilitation accomplishments were varied, ...
• Effect of pH and Light Intensity on the Growth of Dunaliella Salina 

  Dilshan, W.L.T.; Asanthi, H.B.; Maithreepala, R.A.; Atapaththu, K.S.S.; Costa, A.M.K.C.J.; Suranga, D.K.A.I. (University of Sri Jayawardanepura, Gangodawila, Nugegoda, Sri Lanka., 2023-01-28)

  Dunaliella salina is a unicellular halophilic green alga dominantly found in salt lakes, and high saline ponds in slatterns all over the world. A rigid cell wall is absent in D. salina while the cells are covered by ...
• Macroecology of coastal zones under global changes 

  Wu, M.; Zhao, H.; Han, Q.; Hui, L.; Elumalai, V.; Chen, L.; Atapaththu, K.S.S. (Frontires, 2023-06-14)

  Coastal areas are important for maintaining the ecological integrity of both marine and terrestrial ecosystems but they are sensitive to both human activities and nature changes (Dong et al., 2010; Wu et al., 2010; Wu ...
• Biofilm formation of aquatic pathogen, Vibrio campbellii on different contact surfaces 

  Bandara, E.G.K.Y.C.; Ruwandeepika, H.A.D.; Deepananda, K.H.M.A. (4th International Conference on Fisheries and Aquaculture, 2017-09-17)

  The present study was aimed at empirically ascertaining the ability of a pathogenic V. campbellii isolate to form biofilms on different surfaces, commonly used in shrimp aquaculture facilities. Biofilm formation ability ...
• Infection of farmed sub-adult semicircle angelfish, Pomacanthus semicirculatus in Taiwan caused by Photobacterium damselae subsp. piscicida 

  Leu, M.Y.; Wong, S.Y.; Tay, Y.L.; Bandara, E.G.K.Y.C.; Tsai, M.A. (European Association of Fish Pathologists, 2019-10-06)

  The semicircle angelfish (Pomacanthus semicirculatus) is an extremely popular coral reef teleost. An outbreak occurred in Taiwan with 98% (53 out of 54) cumulative mortality within 10 days among the cultured sub-adult ...
• Isolation and identification of Vibrio species from Macrobrachium rosenbergii cultured in selected five reservoirs in Uva and Southern provinces in Sri Lanka 

  Jayasinghe, L.N.M.P.; Pathiranage, S.U.; Bandara, E.G.K.Y.C.; Pramodhi, H.H.S.; Hasintha, K.V.D.M.; Nadishani, H.C.; Madushanka, D.N.N.; Deepananda, K.H.M.A.; Ruwandeepika, H.A.D. (4th International Conference of agricultural Sciences, Sabaragamuwa University of Sri Lanka, 2022-01-26)

  Macrobrachium rosenbergii (Giant Freshwater Prawn/GFP), residents in the tropical freshwaters adjacent to brackish water areas are more popular among the culture of crustaceans due to their rich taste and profitability. ...
• Perception of students on online examinations: A case study of the Faculty of Fisheries and Marine Sciences & Technology in the University of Ruhuna, Sri Lanka 

  Bandara, E.G.K.Y.C.; Wijesinghe, R.D.N.; Sanuja, R.G. (University of Ruhuna, Matara, Sri Lanka, 2022-09-21)

  Since March 2020 up to date, smooth functioning of higher education systems in Sri Lanka is hindered by two main challenges; earlier by COVID-19 pandemic and later by the prevailing economic crisis of the country. Sudden ...
• Impacts of COVID-19 pandemic on the fisheries sector of Sri Lanka 

  Amaralal, K.H.M.L.; Edirimanna, E.M.A.P.; Lakmini, W.A.S.W.; Chamodi, K.K.D.; Kuragodage, A.U.; Sanuja, R.G.; Bandara, E.G.K.Y.C.; Maheepala, M.M.A.S.; Abeykoon, M.N.D.F.; Sadaruwan, K.P.G.L.; Kuganathan, S.; Deepananda, K.H.M.A. (Elsevier, 2022-10-19)

  We empirically ascertained the impact of COVID-19 pandemic on fisheries sector of Sri Lanka, focusing on the year 2020 which helps identify changes in production and income of the sector. Daily wage and monthly income of ...

View more