Browsing by Title

Sort by: Order: Results:

  • Investigation of Antityrosinase and Antioxidant Activity of Polyscias balfouriana L. H. Bailey (Koppa Plant) 
    Suraweera, E. G. Divyanjalee; Weerasiri, Kushan C. (Institute of Chemistry Ceylon, 2021-06)
    Tyrosinase is a copper-containing enzyme that catalyses different reactions in melanin synthesis. It is a key enzyme in melanin biosynthesis, involve in determining the colour of mammalian skin and hair.
  • Ionic Liquids 
    Perera, K. Sarath. D.; De Silva, Shanali (Institute of Chemistry Ceylon, 2024-01)
    Ionic liquids (ILs) are salts that exist in the liquid state below 100 o C or at room temperature. They are also referred to as molten salts, ionic fluids, liquid organic salts, neoteric solvents, and designer solvents
  • Isomerism in Coordination Compounds 
    Perera, K. Sarath. D. (Institute of Chemistry Ceylon, 2020-01)
    Isomers (compounds with the same chemical formula) can be broadly classified into (i) stereoisomers (e.g. geometrical and optical) with the same connectivity but having different spatial arrangements and (ii) structural ...
  • IUPAC Nomenclature of Cordination Compounds 
    Karunarathne, Mahesh C. (Institute of Chemistry, 2019-01)
  • A Journey: from a Chemist to a Cancer Biologist 
    Samarakkody, Ann Sanoji (Institute of chemistry Ceylon, 2022-06)
    Cells in an organism are under constant exposure to extrinsic and intrinsic stressors. Molecular mechanisms are in place to dampen the detrimental effects on the cell at the level of cellular pathways and also at ...
  • Management of Cancer Patients using Radiopharmaceutical Therapy 
    Rajapaksha, D; Rathnayake, P; Rosa, S. R. D (Institute of Chemistry Ceylon, 2022-10)
    Cancer is the major cause of morbidity and mortality around the globe. Cancer shows a significant annual increase, approximately 30,000 new cases were recorded in 2021. It has become one of the major health burdens in ...
  • Marine sponge Axinella donnani as a potential drug source 
    Gamage, Jayani; Kosgahakumbura, L. N.; Gunasekera, S.; Cárdenas, P.; Jayasinghe, P. P. K. (Institute of Chemistry Ceylon, 2022-06)
    Axinella donnani is a marine sponge from the Axinellidae family known to have structurally unique and bioactive metabolites. The primary aim of this study was to discover novel chemical compounds, particularly peptides, ...
  • Mass Spectrometry 
    Perera, K. Sarath. D. (Institute of Chemistry, 2021-06)
    Mass spectrometry is an analytical technique used to obtain information on the structure and molecular weight/accurate mass of a given compound. The main components of the mass spectrometer are the ion source, mass ...
  • Mechanisms of breast cancer progression and development of novel treatment options 
    Fernando, Wasundara (Institute of chemistry Ceylon, 2022-06)
    Breast cancer is the most common cancer among women, with a new breast cancer being diagnosed every 29 seconds. Metastatic triple-negative breast cancer (TNBC) is an aggressive breast cancer subtype that responds poorly ...
  • Message from the Chief Guest at the 52nd Annual Sessions 
    Rajapakse, Wijeyadasa (Institute of chemistry Ceylon, 2023-06)
    It is with great pleasure that I issue this message on the occasion of the 52nd Annual Sessions, 2023 & 82nd Anniversary Celebrations of the Institute of Chemistry Ceylon which is one of the oldest professional bodies ...
  • Metal Carbonyls 
    Perera, K. Sarath. D. (Institute of Chemistry, 2020-09)
    Carbon monoxide is a good π-acceptor and the M-C bond in metal carbonyls [M(CO)n ] has a significant π character. Thus, the M-C bond is strengthened and the carbon oxygen bond is weakened with the increase in back bonding.
  • Metal Hydrides 
    Perera, K. Sarath. D. (Institute of Chemistry Ceylon, 2021-04)
    We know that main group hydrides such as LiAlH4 and NaBH4 are the common reducing agents used by organic chemists to reduce aldehydes, ketones and carboxylic acids. Transition metal hydrides act as ...
  • Metathesis and Polymerization of Olefins 
    Perera, K. Sarath. D. (Institute of chemistry Ceylon, 2022-10)
    Metathesis of simple salts is a double replacement reaction as shown below. AX + BY → AY + BX In Greek, “Metathesis” is known as the change of position or transposition. Olefin metathesis (OM) is the catalytic scission ...
  • Method validation for the determination of Chloramphenicol, a banned veterinary antibiotic in shrimps, by using liquid chromatography-tandem mass spectroscopy 
    Manamperi, D. C. P.; Malavipathirana, S. (Institute of Chemistry Ceylon, 2022-06)
    Chloramphenicol is one of the most widely used antibiotics for both food and domestic animals. It is a broad spectrum antibiotic which interferes with protein the negative polarity of multiple reaction monitoring (MRM) ...
  • Modification of Sri Lankan vein graphite with copper (II) oxide on silicon dioxide to enhance the photocatalytic dye-degradation 
    Ravichandran, Myuraanjali; Jayawardena, Savidya (Institute of Chemistry Ceylon, 2023-06)
    One of the major issues with water contamination is related to the wastewater discharged by the textile industry which releases approximately 20% of the dye produced worldwide as waste into industrial effluents.
  • Modified copper-based metal-organic frameworks as novel photoanode material 
    Abeysingha, S. N.; Perera, I. R.; Hettiarachchi, C. V. (Institute of Chemistry Ceylon, 2022-06)
    Metal Organic Frameworks (MOFs) are highly porous, crystalline, and well-ordered organicinorganic hybrid channel structures
  • Monsanto and Cativa processes of acetic acid synthesis 
    Perera, K. Sarath. D. (Institute of Chemistry, 2021-06)
    In 1960, chemists at BASF developed the carbonylation of methanol into acetic acid. CH3 OH + CO CH3 COOH Monsanto process Monsanto Company introduced a new catalytic system in 1966. It is now known as the Monsanto ...
  • Morphological and photocatalytic properties of zinc oxide nanoparticles synthesized from agricultural wastes of Nephelium lappaceum L. and Garcinia mangostan L. 
    Kuruppu, K. A. S. S.; Perera, K. M. K. G.; Chamara, A. M. R.; Thiripuranathar, G. (Institute of Chemistry Ceylon, 2021-06)
    A facile, innovative and ecofriendly approach of biofabrication of zinc oxide nanoparticles (ZnO–NPs) using agricultural wastes (seed and peel) of Nephelium lappaceum L. and Garcinia mangostana L. have been demonstrated ...
  • Multiplexed Assays for point-of-care diagnostic applications 
    Gunasekera, Angelo (Institute of chemistry Ceylon, 2022-06)
    Bacterial and viral disease outbreaks have always been a threat to global public health, making affordable, rapid and accurate diagnostics highly important tools to slow down the spread of pathogens and decrease ...
  • My life with light 
    Perera, Tharushi .A (2019-09)
    I sincerely thank Dr. Ranmal Gunatilake, Hon. Editor, Institute of Chemistry Ceylon for the opportunity to address the Chemistry in Sri Lanka readers through the medium of this guest editorial. It is a real honor ...