Science: Recent submissions

Now showing items 21-40 of 846

Accurate Prediction of Voltage of Battery Electrode Materials Using Attention-Based Graph Neural Networks

Louis, Steph-Yves; Siriwardane, Edirisuriya M. Dilanga; Joshi, Rajendra P.; Omee, Sadman Sadeed; Kumar, Neeraj; Hu, Jianjun (ACS Applied Materials & Interfaces, 2022)

Performing first-principles calculations to discover electrodes’ properties in the large chemical space is a challenging task. While machine learning (ML) has been applied to effectively accelerate those discoveries, most ...
Generative design of stable semiconductor materials using deep learning and density functional theory

Siriwardane, Edirisuriya M. Dilanga; Zhao, Young; Perera, Indika; Hu, Jianhu (NPJ Computational Materials, 2022)

Semiconductor device technology has greatly developed in complexity since discovering the bipolar transistor. In this work, we developed a computational pipeline to discover stable semiconductors by combining generative ...
Cacao biotechnology: current status and future prospects

Wickramasuriya, Anushka M.; Dunwell, Jim M. (Society for Experimental Biology and The Association of Applied Biologists and John Wiley & Sons Ltd, 2018)

Theobroma cacao—The Food of the Gods, provides the raw material for the multibillion dollar chocolate industry and is also the main source of income for about 6 million smallholders around the world. Additionally, cocoa ...
Investigation of the Accuracy of Monthly Water Surface Extraction from Landsat 8 using Synthetic Aperture Radar (SAR) Sentinel-1 Data

Alahacoon, N.; Edirisinghe, C. M. (University of Colombo, 2021)

Accurate assessment and dynamic monitoring of surface water bodies using long-term satellite data are critical for water resource planning, drought monitoring, flood control, and disaster mitigation applications. Despite ...
Study of temporal variation of radiofrequency electromagnetic radiation levels in two bedrooms in urban and rural locations in Sri Lanka - a case study

Suraweera, S. A. T. U. W. K.; Jayaratne, K. P. S. C. (University of Colombo, 2021)

Nowadays, most people panic with sleeping disorders, and different causes are emerging day- to-day. Some scientists believe that living inside environments with high Radiofrequency (RF) intensities and keeping mobile ...
Does the quality of life connect with an individual’s nature connectedness and per capita greenhouse gas emission? A preliminary study

Somarathe, E. A. S. K.; Gunathunga, M. W.; Lokupitiya, E. (University of Colombo, 2021)

Sri Lanka is a country that struggles to deal with the negative consequences of climate change caused by increased levels of greenhouse gas (GHG) emission. There is a need to reduce the gap between man and nature while ...
Salinity levels in costal saline paddy areas of Jaffna and Mannar districts

Vathani, A. S. A; Lokupitiya, E. (University of Colombo, 2021)

Rice is the staple food in Sri Lanka. Paddy cultivation mostly occur in Dry and Intermediate zones of the country including some low laying land areas along the coastal belt. Coastal zone is more vulnerable to salinity ...
Synthesis, Characterization and Remarkable Anticancer Activity of Rhenium Complexes Containing Biphenyl Appended NNN Donor Sulfonamide Ligands

Kaushalya, C.; Darshani, T.; Samarakoon, S. R.; Fronczek, F. R.; Perera, I. C.; Perera, T. (Faculty of Applied Science, University of Sri Jayewardenepura, 2022)

Neutral and cationic rhenium complexes provide both hydrophilic as well as hydrophobic properties due to the robustness of the tridentate ligand system of biphenyl appended dipicolylamine (N(SO2bip)dpa) and diethylenetriamine ...
PCR- based Detection and Characterization of Candidate Disease Resistant Gene Analogous (RGAs) in Commercially Grown Capsicum Varieties in Sri Lanka

Kumari, K. A. S. I.; Senanayake, D. M. J. B.; Nanayakkara, C. M.; Dhammika, W. A. R.; Dasanayake, P. J. K.; Balasuriya, A. (University of Colombo, 2021)

Identification of R gene homologous from chilli (Capsicum annuum L.) will provide important information for improving disease resistance in breeding programs. A Nucleotide-Binding Site (NBS) domain in R gene family ...
Ethanol mediated photoinduced reversible adsorption of methylene blue on nano titanium dioxide.

Jaliya Manuda, K.R.; Tillekaratne, A.; Jayasundara, Dilushan R. (Research on Chemical Intermediates, Springer, 2022)

The photocatalytic activity of nano titanium dioxide (TiO2) on aqueous commercial dyes such as methylene blue (MB) is widely reported in literature. However, similar photocatalytic studies carried out in non-aqueous solvents ...
First Complete Cytochrome B Sequences and Molecular Taxonomy of Bat Species from Sri Lanka

Perera, Thejanee; Schwarz, Franziska; Muzeniek, Therese; Siriwardana, Sahan; Becker-Ziaja, Beate; Perera, Inoka C.; Handunnetti, Shiroma; Weerasena, Jagathpriya; Premawansa, Gayani; Premawansa, Sunil; Nitsche, Andreas; Yapa, Wipula; Kohl, Claudia (Animals, MDPI, 2022)

The aim of our study was to address the research gap in the molecular taxonomy of Sri Lankan bats. The accurate identification of animals plays a major role in observing them in their natural environments and hence ...
Identification of radiomic features as an imaging marker to differentiate benign and malignant breast masses based on Magnetic Resonance Imaging

Wickramasinghe, Sachini Udara; Weerakoon, Thushara Indika; Gamage, Pradeep; Bandara, Muditha S.; Pallewatte, Aruna (Akadémiai Kiadó, 2022)

Background: Breast cancer is one of the most common cancers among women globally and early identification is known to increase patient outcomes. Therefore, the main aim of this study is to identify the essential radiomic ...
Low-cost microfluidic electrochemical paper-based device to detect glucose

Kaumal, M. N.; Jayarathna, H. K. V. S.; Fernando, W. T. H. (University of Kelaniya Sri Lanka, 2022)

Continuous monitoring of the level of glucose is essential to maintain the health of a diabetic patient. The use of invasive methods to obtain blood samples to detect glucose is the current method, but such methods may not ...
Occupational Noise Induced Hearing Loss Among the Dental Professionals Working at Dental Institutes in Sri Lanka.

De Silva, M. D. K.; Tissera, J. H. D. S. P (University of Colombo, 2021)

Noise at the dental setup has an adverse effect on the hearing ability of the dentists. This study aimed to determine the prevalence of hearing loss among dental practitioners and to identify the demographic and ...
analysis of raw cattle milk microbiota in Sri Lanka employing Illumina MiSeq platform

Rajawardana, D. U.; Fernando, P. C.; Biggs, P. J.; Nanayakkara, C. M.; Hewajulige, I. G. N.; Wickramasinghe, S. (University of Colombo, 2021)

Bacterial contamination of raw milk is a major concern worldwide in public health and economic viewpoint. Raw milk is highly susceptible to changes in temperature and humidity of the environment. The impact of tropical ...
Genome-wide in silico analysis and characterization of simple sequence repeat loci in Coconut (Cocos nucifera L.)

Weerakkodi, W. O. K.; Bandupriya, H. D. D. (University of Colombo, 2021)

Coconut (Cocos nucifera L.) is an important oil crop that can play a major role in the food security of the people in most of the Asian countries including Sri Lanka. The genomic knowledge on coconut is extremely important ...
Effective Radiation Doses for head and neck multi-slice computed tomography (MSCT) protocols

Karunarathna, Sanjaya; Satharasinghe, D. M; Hishaam, Urshella; Pallewatte, Aruna; Jeyasugiththan, Jeyasingam (University of Colombo, 2021)

Computed tomography (CT) is known as a standard imaging modal ity prescribed for the head and neck diagnostic imaging The introduction of multi-detector row CT (MDCT) has enabled imaging of the entire neck region within ...
Molecular dynamics study on the effect of As(III) ion on human uracil DNA glycosylase enzyme

Paligaspe, Priyani; Weerasinghe, S.; Dissanayake, D. P.; Senthilnithy, R. (University of Colombo, 2021)

Mutations in DNA occur due to exposure to chemicals, toxins, and radiation. The presence of uracil in DNA is a modification that occurs due to the misincorporation and spontaneous deamination of cytosine. Glycosylases ...
Identification of Bioaerosols Heading Direction Using a Quadrant Photo Detector

Abeywickrama, S. S.; Hiran H. E. Jayaweera (University of Colombo, 2021)

Insects are so important to the natural eco system as well as to humans that they are involved in pollination, nutrient cycling, disease spreading, medicine, aesthetics, and biological control. Besides, monitoring insects’ ...
In-silico investigation to predict the potential of HDAC inhibitors to inhibit the HDLP enzyme: A molecular dynamics study

Dushanan, R.; Weerasinghe, S.; Dissanayake, D. P.; Senthilnithy, R. (University of Colombo, 2021)

Histone deacetylase (HDACs) enzyme plays an important role in regulating gene expression, thus could be considered as an effective target for cancer treatment. HDAC inhibitors are the new and promising class of drugs ...

Now showing items 21-40 of 846

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