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Ruhuna International Science and Technology Conference: Recent submissions

  • Effect of Sound on the Staphylococcus Aureus bacterium 
    Kumara, P.A.M.M.; De Silva, L.M.M.; Aponsu, G.M.L.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    With the rapid urbanization, the major environmental effect is increasing the microbial infections through water. Therefore, it is important to investigate a method of controlling these harmful bacteria in an ecofriendly, ...
  • Development of a green building rating tool for special nature buildings (hotels) in Sri Lanka 
    Maheepala, S.A.D.S.S.; Dissanayeka, R.; Jayasinghe, G.Y. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    Increased importance on the green building concept lead to introduce an assessment tool called rating system to be used for evaluating the building performance under sustainable framework. Separate rating tools are important ...
  • Detecting and correcting real-word errors in Tamil sentences 
    Sakuntharaj, R.; Mahesan, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    The spell checker concerns the two types of errors namely non-word errors and real-word errors. Non-word errors can be of two categories. First one is that the word itself is invalid. The other is that the word is valid ...
  • Aryloxy-substituted Tetraphenylethylene derivatives for the preparation of electroactive dendrimers 
    Wadumethrige, S.H.; Rathore, R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    A series of soluble aryloxy-substituted tetraphenylethylenes (A-D) were synthesized by a reaction of p-chlorophenol, phenol, p-methylphenol or p- methoxyphenol with tetrakis(4-bromophenyl)ethylene in excellent overall yields. ...
  • The momentum distribution of one dimensional strongly repulsive Bose gas at large momenta 
    Nandani, E.J.K.P.; Xi-Wen, Guan (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    The physics of ultracold Bose gases is a rapidly developing field due to the recent remarkable achievement in the experiment and intensive theoretical investigations. However, when understanding quantum correlations, the ...
  • Development of a low cost optical spectrometer for visible region 
    Abeywickrama, A.L.K.R.; Lewangama, L.G.R.C.; Abeywickrama, S.S.; Wickramasuriya, N.T.; De Silva, W.M.K.; Perera, H.A.D.S.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    A low cost modifiable spectrometer was developed for use in the spectral analysis. Light emerging from the source is f ocused using matching set of lenses on to two adjustable slits to collimate the beam. Then it was ...
  • Construction of a m onochromatic LED r eplacement l amp 
    Kodagoda, A.N.; Jayatilleke, K.P.S.; Abewickrama, S.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    A lamp was designed and constructed arranging number of coloured LEDs to produce a monochromatic light beam comparable to low pressure Na lamps with light intensity that are used in physical optics experiments. It comprises ...
  • Determination of f ilament t emperature of i ncandescent l amps 
    Rathnathilaka, K.A.C.; Jayatilleke, K.P.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    Incandescent lamps are still the most common source of electric lighting in most households. The bulb consists of a tungsten filament placed inside a glass bulb filled by an inert gas. Electric current flows through the ...
  • Queueing a nalysis of p atients f low and o ptimal b ed r equirement of m aternity w ard in Matara h ospital 
    Nivarthana, H.P.K.; Jayasekara, L.A.L.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    The General hospital Matara is a major healthcare service provider in Matara district. There is some patients’ traffic in wards and some patients wait for days until they get a bed. Among these wards in the hospital maternity ...
  • A preliminary study of a new chromogen derived from phenolphthalein for the trace analysis of fluoride 
    Liyanage, Kavindi; Dissanayake, A.S.; Yapa, Y.M.A. Lalith (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    This study describes a simple, new, rapid, and sensitive method for the detection and determination of trace amounts of fluoride using a novel chromogen, phenolphthalein diacetate abbreviated as PHPDA. The method is based ...
  • SnO2 as a cathode material for rechargeable Mg batteries 
    Sarangika, H.N.M.; Senadeera, G.K.R.; Dissanayake, M.A.K.L.; Amarasinghe, K.V.L.; Weerasekera, W.A.R.B.; Seneviratne, V.A. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    The energy demand is rapidly increasing with increasing global population. Therefore, supply of energy for the society is a major challenge to maintain a comfortable standard of living. Energy storage plays major role in ...
  • Preliminary investigation of wound healing activity of stem bark extract of Ficus racemosa Linn. 
    Bopage, N.S.; Jayawardena, K.H.; Wijeyaratne, S.C.; Abeysekera, A.M.; Gunaherath, G.M.K.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    Stem bark of Ficus racemosa is utilized in the preparation of Ayurvedic and indigenous medicines, which aids in wound healing while ethanolic extract has been reported to be wound healing active on a rat model. The present ...
  • Development of a user friendly anticorrosive electroplating process 
    Liyanage, Piumiy Y.; Kaumal, Migelhewa N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    This abstract introduces a user friendly electroplating method that can be performed without special skills or advanced instruments, which will prevent further corrosion of steel surfaces due to small scale damages. The ...
  • Formulation of an antioxidant rich beverage using soursop (Annona muricata L.) blended with ginger (Zingiber Officinale) extract 
    Madurangi, G.W.S.; Gunathilake, K.D.P.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    The present study mainly focused on producing an antioxidant rich beverage from soursop (Annona muricata L.) blended with Ginger (Zingiber officinale) and studying its storage stability at ambient (28°C) ...
  • Preparation of Ready to Serve (RTS) beverage based on tender coconut (Cocos nucifera L.) 
    Omeka, W.K.M.; Gunathilake, K.D.P.P.; Yalegama, L.L.W.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    Tender coconut (Cocos nucifera L.) is locally available but commercially underutilized tree nut for beverage production. This research was conducted to find out best formulation for Ready to Serve (RTS) tender coconut beverage ...
  • Evaluation of the antioxidant potential of the extracts of three green leaves in stabilizing Nile Tilapia (Oreochromis niloticus) fish nuggets under frozen Storage 
    Gunarathna, H.M.D.K.; Gunathilake, K.D.P.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    Antioxidants are used to minimize lipid oxidation in the food system to prevent associated negative effects on the quality of foods such as fish and meat products. There has been a growing interest in natural antioxidants ...
  • Insight into acetylcholinesterase inhibitory and antioxidant activity of Eryngium foetidium L. leaves 
    Samaradivakara, S.P.; Samarasekera, J.K.R.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    Acetylcholinesterase inhibitory (AChEi) and antioxidant activities of natural sources are explored in the treatment of Alzheimer’s disease (AD). Eryngium foetidium L. (Apiaceae) “Andhu” is used as a traditional culinary ...
  • In vitro Lipoxygenase related anti-inflammatory and antioxidant properties of ethanol leaf extract of Psidium guajava L. 
    Perera, H.D.S.M.; Samarasekera, R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2015-01-22)
    Psidium guajava L. (Guava, Myrtaceae) is a fruit tree widely distributed in Sri Lanka and reported to have anti-inflammatory properties. The objective of the present study is to investigate in vitro Lipoxygenase related ...
  • Insecticidal activity of selected botanicals on Sitophillus zeamays L. in stored maize grains 
    Karunakaran, S.; Thanuejah, S.; Arulnandhy, V. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Laboratory studies were conducted to study the effect of five leaf powders (10%) of Lantana camera, Azadiracta indica (Neem), Annona squamosa (Annona), Justicia adhatota (Adathodai) and Ocimum tenuiflorum (Tulsi) against ...
  • Comparative study on the buckling properties of Palmyra and Coconut trees 
    Kumara, S.B.R. Harsha; Kandasamy, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2018-02-15)
    In this study, a simple device was designed and developed to to measure the critical load to produce buckling of large wooden samples. Using this device, the required critical load to produce buckling was analyzed ...

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