E-Repository Kotelawala Defence University: Recent submissions
Now showing items 1881-1900 of 6658
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Sri Lankan Identity in Architecture: Perceptions of Lay People on Designed Sri Lankan House
(2023-09)Architects often face the challenge of understanding and meeting the preferences of their clients, ensuring that their designs align with the client’s expectations. One key preference commonly expressed by Sri Lankan ... -
Impact of Designed Exterior-Built Environment in Enhancing the Well-being and Quality of Life of the Elders – A Case of Wellness Sanctuaries in Sri Lanka
(2023-09)Twenty first century resulted with the rapid urbanization and the population of ageing as some major key phenomena related to the elderly living in cities. The concept of the elderly home was raised as a result of the ... -
Sustainability and High-Rise Design for the Future: Importance of Connectivity between Vertical Living and the Natural Environment
(2023-09)High-rise living had been universally accepted as a sustainable solution to the housing problem by the end of the 20th century. However, it invariably results in the separation of people from nature, a fact that is ... -
Estimation of Above Ground Biomass in Sinharaja Forest Reserve, Using Sentinel Images
(2023-09)This research aimed to explore the potential of remote sensing techniques in estimating Above Ground Biomass (AGB) values over the Sinharaja forest area in Sri Lanka. Sentinel 1&2 satellite images were used to extract AGB ... -
Monitoring The Impact on Paddy Fields During the Construction of The Southern Expressway Using Remote Sensing and GIS
(2023-09)Paddy production in Sri Lanka holds immense significance as a critical agricultural sector that sustains the country’s population by providing rice, the staple food. Understanding the fluctuations in paddy land area is ... -
Development of a Forest Resilience Index by Combining Multispectral and Microwave Vegetation Indices
(2023-09)Sri Lanka is one of the few surviving countries in the world with an extensive natural forest cover, however, most of the existing forests have been impacted by changing en vironmental conditions and escalating disturbances. ... -
An in vitro Investigation of Zanthoxylum rhetsa (Thanahalu) and its Anti-cancer Potential Against MCF7 and DLD1 Cancer Cell Lines
(2023-09)Most medicinal plants presently employed in traditional medicine are used without much scientific evidence, this suggests a need to explore reliable investigations of their pharmaceutical potential. Therefore, in this ... -
In vitro Cytotoxicity Assessment of Glyphosate on the Vero Cell Line
(2023-09)Glyphosate, a widely used broad-spectrum herbicide in agricultural practices, has been a subject of ongoing debate regarding its potential adverse effects on human health. This research aimed to investigate the cytotoxicity ... -
Weathering of Plastic Nurdles Discharged from the X-press Pearl Ship Disaster
(2023-09)This study assessed the weathering and size reduction of plastic nurdles discharged during the X-press Pearl ship accident in May 2021. Sand samples were collected from Sarakkuwa Beach, Sri Lanka, at three time points: ... -
Bioassay on the Stability of Pigments Extracted by Bacteria Isolated from Wastewater
(2023-09)Microbial pigments are substances that can absorb light in the visible range and emit color while playing an important role in the physiology and molecular processes of microorganisms. Pigment production is a method of ... -
Evaluation of Native Rhizobia as Potential Candidates for Developing Biofertilizers for Improving Legume Cultivation in Dry Zone Sri Lanka
(2023-09)Biofertilizers are currently receiving much attention due to the adverse effects associated with conventional synthetic fertilizers on human and environmental health. The major limitation of biofertilizers is their poor ... -
In silico Distribution Analysis of Chromosomal CpG Islands in Rice (Oryza sativa L. spp. japonica)
(2023-09)CpG islands are regulatory elements in a genome with high CpG dinucleotide density, influencing gene expression and genomic stability. These regions are important to rice biology. Despite the extensive body of research ... -
Effects of Banana Leaves and Paddy Straw on the Growth, Nutrition Composition, Bioactive Compound Levels, and Antioxidant Activity of Pleurotus ostreatus (American Oyster Mushroom)
(2023-09)Pleurotus ostreatus (American oyster mushroom) is one of the most commonly cultivated mushroom species in the world and is known to grow faster than other edible mushrooms. They are cultivated on various agricultural ... -
Trichoderma citrinroviride as a Potential Biocontrol Agent for Fusarium and Colleotrichum Species, a Causative Agent of Onion Leaf Curl and Anthracnose Disease
(2023-09)Red onion cultivation has become more challenging since 2020 due to the prevalence of onion anthracnose and leaf curl disease primarily caused by fungal pathogens Colleotrichum and Fusarium spp. This study aimed to ... -
Assessing the Efficacy of Pumpkin Waste-mediated Zinc Oxide Nanoparticles in Enhancing Agro-waste Valorization through Antioxidant Activity Evaluation
(2023-09)The utilization of agro-waste to synthesize nanoparticles (NPs) has drawn significant fascination owing to its crucial role in promoting environmental sustainability. This study focused on utilizing agro-wastes of Suprema ... -
Antifungal Efficacy of Biogenic Waste Derived Colloidal/ Nanobiochar against Colletotrichum gloeosporioides Species Complex
(2023-09)Anthracnose disease, caused by Colletotrichum spp., is the primary cause of postharvest losses in Musa spp. While various physical, chemical and biological methods have been developed to control this disease, their ... -
Hematology and Blood Parasites in Avian Communities Along an Altitudinal Gradient of One Kilometer in the Sub-Montane Zone of Sri Lanka
(2023-09)Parasites thrive by consuming host resources, causing a decline in host fitness. This burden drives host evolution, exerting selective pressure on both. The main objective of the study was to investigate parasitic profile ... -
The Effect of Genetic Introgression on Phenotype in Dicrurus Drongos Across a Climatic Gradient in Sri Lanka
(2023-09)Hybridization or introgression enables species to mix traits, allowing horizontal gene flow and varying parental alleles and phenotypes. Belihuloya, located in the intermediate zone is a transitioning point between dry ... -
The Effect of Genetic Introgression on Phenotype in Dicrurus Drongos Across a Climatic Gradient in Sri Lanka
(2023-09)Hybridization or introgression enables species to mix traits, allowing horizontal gene flow and varying parental alleles and phenotypes. Belihuloya, located in the intermediate zone is a transitioning point between dry ... -
Impact of Domestic Cooking Process on Total Phenolic and Total Flavonoid Contents in Selected Commercially Available Rice (Oryza sativa L.) Varieties in Sri Lanka
(2023-09)Sri Lankan rice (Oryza sativa L.) is well known for its therapeutic value due to the presence of bioactive phenolic and flavonoid compounds. This study aimed to assess if the domestic cooking process affect their content. ...