Research Repository: Recent submissions

  • Sintering properties of ZnO-TiO2 composite ceramics 
    Kopiha, V.; Sutharsini, U. (University of Jaffna, 2021)
    Among various semiconductor oxides, ZnO and TiO2 composite have been used wide variety of applications such as solar cells, varistors, and sensors. In this work effect of sintering temperature and sintering time on ZnO - ...
  • Sintering properties of sputtered ZnO Thin Films 
    Kirusanthy, S.; Sutharsini, U. (University of Jaffna, 2021)
    Zinc oxide (ZnO) thin films have performed as an attractive material for numerous applications in piezoelectricity, solar cells, biomedical and sensing. In this work, sintering properties of sputter coated Zinc oxide thin ...
  • A Review on processing of data streams 
    Arumainayagam, P.; Charles, E.Y.A.; Kodituwakku, S.R. (Research journal of computer systms engineering - an international journal, 2011)
  • Ontology Development for Sri Lankan Medicinal Plants: A Knowledge Representation 
    Jeyananthan, P.; Charles, E.Y.A.; Atukorale, D.A.S. (SRI LANKA ASSOCIATION FOR ARTIFICIAL INTELLIGENCE, 30, 2015)
    Our ancestors consumed medicinal plants through their day to day activities which leads them to a long and healthy life. It plays an important role in their life. But in this fast moving world the value of these plants are ...
  • classification and regression analysis of lung tumors from multi-level gene expression data 
    Jeyananthan, P.; Niranjan, M. (IEEE, 2019)
    We study classification and regression problems in lung tumors where high throughput gene expression is measured at multiple levels: epi-genetics, transcription and protein. We uncover the correlates of smoking and ...
  • Comparative Report on the Algal Diversity of Dickwella, Sri Lanka at the Start of South-West Monsoon in 2015 and 2017 
    Pathirana, P.B.M.; Thilakaratna, W.S.; Bamunuarachchi, N.I. (University of Jaffna, 2018)
    This research was carried out at Dickwella algal bed to investigate the percentage abundance of algae diversity at the start of South-West monsoon in June 2015 and 2017. Three line transects such as TR 1, TR 2 and TR 3 ...
  • Rice husk ash as partial substitute for sand in cement bricks 
    Anupama, G.G.; Nandasiri, K.P.S.D.; Thanihaichelvan, M. (University of Jaffna, 2021)
    Cost of the construction materials are increasing due to rapid growth of industry and demand. As a result, waste utilization has been one of the most vital aspects in the construction industry towards sustainability [1,2]. ...
  • Production of biodiesel from locally available Pumpkin seeds: A comparison with coconut oil 
    Jayathilaka, W. D. D. R; Yohi, S. (University of Jaffna, 2021)
    Petroleum based economy is suffering from a series of problems like enhanced greenhouse effect and global warming. Burning of fossil fuel causes accumulation of the greenhouse gases in the environment that leads to enhanced ...
  • Piezoelectric buzzers for energy harvesting 
    Vishvarooban, V.; Rishanthan, K.M.T.M; Leelananda, B.H.; Shanika, D.I.; Madushan, W.G.P.C.; Abayarathna, V.; Kanan, H.S.; Paranthaman, S.; Loheeswaran, S. (University of Jaffna, 2021)
    The energy generating devices are capable of capturing environmental energy and supplanting the battery in a stand-alone module or working alone with the battery to extend substantially its life. Piezo electric and ...
  • Prospects and Challenges of Mushroom Production in Kuruwita, Sri Lanka: Comparative Report on Two Consecutive Years 
    Thilakaratna, W.S.; Pathirana, P. B. M. (University of Jaffna, 2018)
    Global mushroom production has expanded rapidly in last few decades with the introduction of new mushroom varieties. However, Sri Lanka mainly relies on Oyster (Pleurotus ostreatus) and Abalone (Pleurotus cystidiosus) ...
  • Mutations observed in selected SARS-CoV-2 isolates 
    Kugathasan, D.; Aruldchelvan, K.; Jeyaseelan, T.C.; Emmanuel, C.J (University of Jaffna, 2021)
    Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a single-stranded positive RNA virus. The virus genome is ~ 29.9 Kb in size and comprises 14 open reading frames, which encodes for 27 different proteins. The ...
  • Moderation of indoor humidity and temperature using automated motorized window opening and closing system 
    Hewage, G.N.; Wickramaarachchi, A.K.; Arulkumaran, P.; Priyanka, Y.; Cassim, C.D.; Rodrigo, K.; Thenmolie; Loheeswaran, S. (University of Jaffna, 2021)
    Thermal comfort and indoor air quality are essential for living in a healthy environment. In this work, based on the assessment of comfortable environmental conditions such as an in-door temperature and humidity in a ...
  • Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula 
    Jeyavanan, K.; Sivachandiran, S.; Pushpakumara, D.K.N.G. (University of Jaffna, 2017)
    A study was carried out in Jaffna peninsula in dry zone area of Sri Lanka to assess the ecosystem services of homegarden agroforestry. Participant observation, interview of householders, measuring and collection of ...
  • Isolation and identification of Bacillus species present in the Panchagavya preparations 
    Donaldson, E; Emmanuel, C.J. (University of Jaffna, 2021)
    Panchagavya has been popularly used in organic farming to promote plant growth and control various pests and diseases. During the preparation of Panchagavya, a mixture of five cow products and sugar sources such as jaggery, ...
  • Evaluation of Seed Biopriming and Organic Manures on Chilli Organic Seed Production 
    Ananthi, M.; Selvaraju, P.; Sundaralingam, K. (University of Jaffna, 2017)
    To find out the effect of seed bio-priming with liquid bio-fertilizers and application of sources of nutrients on crop growth and yield of Chilli, a field experiment was conducted at the Department of Seed Science and ...
  • Inspection of thermal conductivity of natural fiber reinforced composites (NFCs) 
    Kulasooriya, K.A.C.P.; Amarathunga, H.M.N.M.; Perera, W.K.S.F.R; Thanihaichelvan, T. (University of Jaffna, 2021)
    chemical properties, which exhibit enhanced properties than the constituent materials. Thermal insulation composite materials, especially those reinforced with synthetic fibers releases huge amount of CO2 to the environment ...
  • Effect of Thermal Treatment on Keeping Quality of Palmyrah Sweet Sap 
    Surenther, S.; Mahilrajan, S.; Chandrasena, G; Robika, K; SriVijeindran, S (University of Jaffna, 2017)
    The palmyrah palm (Borassus flabellifer) is grows extensively in Northern part of Sri Lanka. Sweet sap is the most important product obtained from palm, could be extracted from both male and female inflorescences (dioecious) ...
  • Hydrothermal ageing study on two step sintered 3Y-TZP ceramic 
    Praveena, S.; Sutharsini, U. (University of Jaffna, 2021)
    In this study, Hydrothermal ageing resistance of two step sintered 3 mol. % Yittria stabilized tetragonal zirconia polycrystalline (3Y-TZP) ceramic was analysed. 3Y-TZP ceramic powder was die pressed followed by cold ...
  • Facile fabrication of nitrogen-doped Titanium dioxide-based dye-sensitized solar cells 
    Gurunanthanan, V.; Rajaramanan, T.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. (University of Jaffna, 2021)
    Titanium dioxide (TiO2) is a commonly used semiconductor in Dye-Sensitized Solar cells (DSSCs) as it is inexpensive, abundant and innocuous to the environment. However, lack of response to the visible light and slow electron ...
  • Evaluating doses calculated using TRS 398 and TRS 277 protocols 
    Harindrinee, S.; Pathmathas, T.; Ramalingam, A. (University of Jaffna, 2021)
    Protocols, considered as guidelines in Medical Physics, admit the safety measures and effective practices in diagnostic and therapeutic radiology. The changes of the beam calibration due to adaption of the TRS-398 protocol ...