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  • New definitions of SI Units and Physical Chemistry 
    Ratnaweera, Chinthaka Nadun (Institute of Chemistry Ceylon, 2021-09)
    Let’s begin with something everyone knows, SI units! Everyone of us applies them, but do you know the concept behind its definitions? Very recently definitions of SI units were changed and they are now defined by ...
  • New definitions of SI Units and Physical Chemistry-Beauty of Physical Chemistry – Part 2 
    Ratnaweera, Chinthaka Nadun (Institute of Chemistry Ceylon, 2022-06)
    In the previous article we learnt how fixed values of hyperfine transition frequency of Cs, speed of light, Planck constant, and Avogadro constant are used to define SI units of time, length, mass and amount of substances ...
  • The new era of biochar in environmental chemistry: Microcarbon materials 
    Ramanayaka, Sammani (Institute of Chemistry Ceylon, 2020-09)
    Biochar is renowned as a solid carbonaceous material which is commonly used in various environmental applications; as a material for soil amendment, sustainable option for solid waste management, wastewater treatment, ...
  • Novel and interesting antibiotic scaffolds from endophytic fungi of Sri Lankan origin 
    Ratnaweera, Pamoda B (Institute of Chemistry Ceylon, 2019-09)
    Antibiotic resistance within a wide range of infectious agents is increasing steadily, causing a growing public health crisis in the world today. The World Health Organization (WHO) has reported infectious and parasitic ...
  • A novel immunoanalytical method for obesity biomarker detection using antibody functionalized silver nanoparticles 
    Abeysinghe, A.A.D.T (Institute of Chemistry Ceylon, 2020-09)
    Obesity is a serious health issue related with increased body fat content. Escalating numbers of patients have been reported worldwide throughout the recent past, associated with a high cost in the health care sector
  • Nucleophilic Substitution Reactions 
    Perera, K. Sarath. D. (Institute of Chemistry Ceylon, 2021-09)
    Organic chemistry is basically the study of synthesis, reactions, properties, and structures of carbon-containing compounds. Organic reactions can be classified into four main types: addition, elimination (E), substitution, ...
  • Opium Alkaloids 
    Weerasiri, Kushan (Institute of Chemistry, 2020-01)
    Alkaloids constitute a class of nitrogen containing organic compounds that possess significant pharmacological properties. They occur mainly in plants and to a lesser extent in microorganisms and animals. The name ...
  • Optimization of Proteomics-based Substrate Trapping with Histone Deacetylase 1 
    Herath, Kavinda E.; Pflum, Mary Kay H. (Institute of Chemistry, 2021-06)
    Histone writers and erasures – the proteins that add or remove histone post translational modifications – are key drivers of epigenetic transcriptional events inside the cell. Many enzymes that control epigenetic modifications ...
  • Oxidative Addition Reactions 
    Perera, K. Sarath. D. (Institute of Chemistry Ceylon, 2020-05)
    Coordinatively unsaturated metal centres (Mn+) (valence electron count, VEC<18) may undergo oxidative addition reactions to form saturated metal complexes by cleaving the X-Y bond of a molecule (e.g. H2 , O2 , ...
  • Palladium Catalyzed Coupling Reactions 
    Perera, K. Sarath. D. (Institute of Chemistry Ceylon, 2023-01)
    Palladium complexes catalyze many types of organic reactions. It is particularly useful in forming carbon- carbon bonds.
  • Paper Based Sensors 
    Perera, Hasini R. (Institute of Chemistry Ceylon, 2019-01)
    Since its inception in the early 21 st century, paper based sensors have evolved as good alternative for analytical, bioanalytical and point-of-care testing over traditional analytical instruments because they are ...
  • Parameter Optimization and Kinetics Modeling for Biosorption of Methylene Blue Dye on Artocarpus nobilis Fruit Peel 
    Samaraweera, A. P. G. M. V.; Priyantha, N. (Institute of Chemistry Ceylon, 2022-06)
    Dye removal through biosorption has not been extensively investigated at the industrial level, partly due to the lack of correlation between laboratory findings and requirements of large-scale applications
  • Past, Present and Future challenges to Chemistry Education at the Institute of Chemistry Ceylon 
    Costa, M.D.P.De (Institute of Chemistry Ceylon, 2020-05)
    In the 1960’s, the government and the university system in Sri Lanka were faced with the challenge of providing university entrance to all Advanced Level qualified students to pursue their tertiary education, owing to ...
  • Perovskites; Next Star Material for Clean Energy 
    Wijesekara, Anjana (Institute of Chemistry Ceylon, 2020-01)
    One of the major challenges humanity must address is to transition away from a reliance on fossil fuels for energy production to clean, renewable sources of energy. There are three major motivations which drive research in ...
  • Petroleum Industry in Sri Lanka Achievements, Setbacks and Need for Rethinking 
    Suduwalla, Cyril S. K. (Institute of Chemistry Ceylon, 2023-01)
    “To carry on business as an importer, exporter, seller, supplier and distributor of Petroleum products. To carry on business of exploring for the exploiting, producing, and refining of Petroleum and to carry on any ...
  • Petroleum Industry: is this necessary? Refinery and its future: Sri Lankan Experience 
    Haniffa, M. R. M; Suduwella, Cyril .S. K (Institute of Chemistry Ceylon, 2023-01)
    The year 2022 will go down in the Sri Lankan history as one of the most “tense” periods in the life of its citizens. Shortage of gasoline – petrol, diesel and kerosine and domestic gas (LPG) was a direct result of lack ...
  • Photochemical Water Reduction by Organic Hydrides 
    Walpita, . Janitha (Institute of Chemistry, 2018-01)
    Increasing concerns on anthropogenic climate change, skyrocketing global energy needs, and depletion of fossil fuels have made the discovery of alternative carbon-neutral and sustainable energy sources, one of the ...
  • Phytochemical Aspects of Onions - Allium cepa L. 
    Perera, K.Sarath D; Theeshya Dulmini, A. D (Institue of Chemistry Ceylon, 2023-06)
    Onion (Allium cepa) is known as “Queen of the Kitchen” as it is an irreplaceable ingredient in most of the Asian cuisines [1]. Global production of onions is more than 90 million tons per year; China and India ...
  • Phytochemicals and Importance of Cinnamon 
    Perera, K. Sarath. D.; Theeshya Dulmini, A. D. (Institute of Chemistry Ceylon, 2021-09)
    Ancient Sri Lanka was well known as it was situated at the centre of the Silk Road. Ceylon cinnamon has become one of the main exports over a long period of time. According to “Mahavamsa” or the great chronicle of Sri ...
  • Phytochemicals in Sri Lankan Curry Powder 
    Perera, K. Sarath. D.; Theeshya Dulmini, A. D. (Institute of chemistry Ceylon, 2022-10)
    Nowadays people feel the need to enhance their immunity by consuming various nutritional food and beverages. From ancient times, Asian women have been using spices, not only to boost the taste and aroma, but also to ...