Science: Recent submissions

Now showing items 121-140 of 846

Low Cost Paper-based Electrochemical Sensing Platform for the Determination of Hydrogen Peroxide

Kaumal, M. N.; Perera, L Hasini R; Nissanka, N. A. A. Buddhini (King Mongkut's Institute of Technology Ladkrabang (KMITL), Thailand, 2021)

A rapid, precise, low cost, selective and sensitive paper-based electrochemical device for the determination of H2O2 in milk is described here. Commercially available varnish and a simple hand drawing method were used ...
Production of Antioxidant Rich Tomato Vinegar: An Alternative to Coconut Vinegar in Culinary Production

Perumpuli, Perumpuli Arachchige Buddhika Niroshie; Buddhika, Mirihana Arachchige Amal; Kaumal, M. N. (King Mongkut's Institute of Technology Ladkrabang (KMITL), Thailand, 2021)

Tomato is an antioxidant-rich highly perishable fruit, and it is a crop with high postharvest losses due to its tender appearance and surplus production. Thus, to allow value addition and to reduce its postharvest losses, ...
Magnetite nanoparticles incorporated porous kaolin as a superior heavy metal sorbent for water purification

Lankathilaka, K.P.W.; de Silva, Rohini M; Mantilaka, M.M.M.G.P.G; de Silva, K.M. Nalin (Groundwater for Sustainable Development 2021, 2021)

Water pollution has become one of the key global environmental problems. Heavy metal ions are major pollutants of water. Therefore, this research is focused on fabrication of high-efficient heavy metal adsorbing filter for ...
Conceptualization of chemical kinetics using a visually enhanced teaching technique; a developed MS Excel worksheet/system

Fernando, L.S.L.K.; Mahanama, K.R.R. (2021)

Abstract: Chemical kinetics or reaction kinetics is renowned as a division of physical chemistry which includes with understanding the ratesof chemical reactions. As physical chemistry lessons play ...
Formulation and quality evaluation of finger millet ( Eleusine coracana (L.) gaertn.) flour incorporated biscuits

Jayawardana, S. A. S.; Samarasekera, J. K. R. R.; Hettiarachchi, Chamari M.; Gooneratne, J. (Pubmed, 2021)

Replacing the ingredients used in biscuits with potential nutritive ingredients would be beneficial to improve the nutritional quality of the biscuits. Although, finger millet is highly nutritious when compared to other ...
Voltage-Gated Sodium Channel (Vgsc) Mutation-Based Pyrethroid Resistance in Aedes aegypti Populations of Three Endemic Dengue Risk Areas of Sri Lanka

Ranathunge, Tharaka; Udayanga, Lahiru; Sarasija, Sumudu; Karunathilaka, Samudra; Nawarathne, Shavindhya; Rathnarajah, Haruthra; Fathima Fazla Dulficar; Fathima Nafla Shafi; Dassanayake, R.S.; Gunawardene, Y. I. N.S (Hindawi, 2021)

Background. Pyrethroid insecticides are widely used in many countries for chemical-based control of Ae. aegypti. Regardless of their efficacy, the constant use of insecticides has induced insecticide resistance mechanisms, ...
In-medium modification of dijets in PbPb collisions at sNN−−−√ = 5.02 TeV

Jayananda, M.K.; Sonnadara, D.U.J.; Wickramaratne, D.D.C. (2021)

Modifications to the distribution of charged particles with respect to high transverse momentum (pT) jets passing through a quark-gluon plasma are explored using the CMS detector. Back-to-back dijets are analyzed in ...
Study of Drell-Yan dimuon production in proton-lead collisions at sNN−−−√ = 8.16 TeV

Jayananda, M.K.; Sonnadara, D.U.J.; Wickramaratne, D.D.C. (2021)

Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8.16TeV. A ...
Measurement of the Z boson differential production cross section using its invisible decay mode (Z → νν¯¯¯) in proton-proton collisions at s√ = 13 TeV

Jayananda, M.K.; Sonnadara, D.U.J.; Wickramaratne, D.D.C. (2021)

Abstract: Measurements of the total and differential fiducial cross sections for the Z boson decaying into two neutrinos are presented at the LHC in proton-proton collisions at a center-of-mass energy of 13TeV. The data ...
First measurement of large area jet transverse momentum spectra in heavy-ion collisions

Jayananda, M.K.; Sonnadara, D.U.J.; Wickramaratne, D.D.C. (2021)

Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to ...
Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV

Jayananda, M.K.; Sonnadara, D.U.J.; Wickramaratne, D.D.C. (2021)

Measurements of the differential cross sections of Z + jets and g + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution ...
Infrared absorbing nanoparticle impregnated self-heating fabrics for significantly improved moisture management under ambient condition

Wijenayaka, Lahiru A.; Wijesena, Ruchira N.; Tissera, Nadeeka D.; Bandara, W. R. L. Nisansala; Amaratunga, G.A.J.; de Silva, K.M. Nalin (The Royal Society Publishing, 2021)

Propensity of a textile material to evaporate moisture from its surface, commonly referred to as the ‘moisture management’ ability, is an important characteristic that dictates the applicability of a given textile material ...
Sonographic Features of Chronic Kidney Disease in Agricultural Community in Sri Lanka

Bandara, Muditha S; Gurunayaka, Buddika; Lakraj, Gamage Pemanatha; Pallewatte, Aruna; Siribaddana, Sisira; Wansapura, Janaka (2021)

Objectives: The aim of this study was to use ultrasound-based kidney morphological features to classify chronic kidney disease (CKD) in an agricultural community in Sri Lanka where there is a high prevalence of CKD ...
Nationwide descriptive study of COVID-19 in children below the age of 14 years in Sri Lanka

Cabraal, M N S; Samarawickrama, R I U; Kodithuwakk, K A R R; Viswakula, S.D.; Lantra, S R (2021)

Background: Corona virus disease 2019 (COVID-19) is caused by a novel corona virus which originated in China and spread worldwide to become a global pandemic. Objectives: To identify the demographic and clinical ...
Reduction of lag in crude oil degradation by Aspergillus when it is in synergy with Bacillus in biofilm mode

Perera, Madushika; Chinthaka, S. D. M.; Wijayarathna, C. D.; Wijesundera, Sulochana; Seneviratne, Gamini; Jayasena, Sharmila (Springer, 2021)

A major hindrance to the effective use of fungi in bioremediation is their inherent slow growth. Despite this, Aspergillus spp. may be used effectively. Our experiments demonstrate that bacteria, although inefficient in ...
Multivariate spatio‑temporal approach to identify vulnerable localities in dengue risk areas using Geographic Information System (GIS)

Withanage, Gayan P.; Gunawardana, Malika; Viswakula, S.D.; Samaraweera, Krishantha; Gunawardena, Nilmini S.; Hapugoda, Menaka (2021)

Dengue is one of the most important vector-borne infection in Sri Lanka currently leading to vast economic and social burden. Neither a vaccine nor drug is still not being practiced, vector controlling is the best approach ...
A Novel Potentiometric Ion Selective Electrode Based on Piperine for the Determination of Fe(III) Ions

Haputhanthri, Madhushani C.; Perera, Hasini R. (SpringerLink, 2021)

A new potentiometric sensor highly selective to Fe³⁺ was prepared using piperine as a neutral ionophore. The electrode exhibits a linear response for Fe³⁺ ions in the citrate buffer medium over a concentration range from ...
Gender-wise Variation in the Delivered Radiation Dose during Common X-ray Procedures. A Preliminary Study

Satharasinghe, DM; Wanninayake, WMNMB; Pallewatte, AS; Jeyasugiththan, J (General Sir John Kotelawala Defence University, KDU, 2021)

The increased radiosensitivity in women compared to men is a greater concern in diagnostic radiology, which uses ionization radiation for the purpose of diagnosis. However, radiation protection authorities, such as the ...
Novel Insights into Neuroprotective Strategies Employing NQO1 and DCLK1 in Parkinson’s Disease

Kandage, M. Shyami; Silva, N. Gayathri; Gamage, K. Kanchana (2021)

Parkinson’s disease (PD) is the most common movement disorder and is only second to Alzheimer’s disease in most prevalent neurodegenerative diseases. Diverse causative factors lead to PD pathology among which oxidative ...
On the ABC and GA indices of the corona products of some graphs

Kumara, Dhananjaya; Mahasinghe, A. C.; Erandi, K.K.W.H. (2021)

In this research, we derived the formulae for the atom-bond connectivity (ABC) index and the geometric-arithmetic (GA) index of several corona products of graphs made by composing the path, the cycle and the complete graphs. ...

Now showing items 121-140 of 846

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