Browsing by Author "De Silva,H. I. C"
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Item Acetylcholinesterase inhibitory activity of Psychotria sarmentosa, Olax zeylanica and Hoya ovalifolia(Institute of Chemistry Ceylon, 2022-06) De Silva,W. S; Wijayarathna, C. D; De Silva,H. I. CAlzheimer’s disease is the most prevailing neurodegenerative disease and is becoming one of the major human health concerns today. Medicinal plants are known to produce a broad range of bioactive compounds and thus become an excellent source for the discovery of novel anti-acetylcholinesterase active drugs.Item Development of sustained-release hydrogel beads of aspirin(Institute of Chemistry Ceylon, 2026-05) Sasindi, J. G. K. N; De Silva,H. I. CAspirin, also known as acetylsalicylic acid (ASA), is a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, antipyretic, anti-inflammatory, and antiplatelet properties, has a short half-life of 15– 20 minutes, plasma concentration fluctuations and gastrointestinal adverse effectsItem Evaluation of Justicia adhatoda Linn(Institute of Chemistry Ceylon, 2025-02) Gunaratne,W. A. S. B; De Silva,H. I. CSafety concerns regarding synthetic sunscreens have increased the demand for botanical alternatives rich in phytochemicals with natural photo-protectant properties.Item Formulation of Psidium guajava Linn essential oil encapsulated solid lipid nanoparticles and evaluation of its anti-inflammatory and antioxidant activity(Institute Of Chemistry Ceylon, 2025-05) Lakmali, M. G. C; De Silva,H. I. CEssential oils (EOs) possess significant therapeutic properties but are limited by volatility, instability, and poor bioavailability.Item Sustainable synthesis of zinc oxide nanoparticles from spent coffee grounds as a reusable catalyst for Biginelli reaction(Institute Of Chemistry Ceylon, 2026-05-02) Ismail,M. U.; De Silva,H. I. CMetal oxide nanoparticles (NPs) have attracted significant attention in organic catalysis for the development of recoverable heterogeneous systems.