Proceedings | RESCON2020

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Earth and Environmental Sciences 1 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
8.00-10.00	EES1 / B11	Prof. H A Dharmagunawardhana Dr. J Gunatilake	Dr. Bhathiya Athurupana bhathiyaat@gmail.com, 771114752

Time	Theme		Session Chair	Host	Session Link
8.00-10.00	EES1 / B11		Prof. H A Dharmagunawardhana Dr. J Gunatilake	Dr. Bhathiya Athurupana bhathiyaat@gmail.com, 771114752
	B11			(bhathiyaat@gmail.com, 771114752)

Time	Abstract ID	Presenter ID	Presenter	Title	Live Link
8.00-8.10	116	B11.1	G.B.C. Sandaruwan	GRAIN SIZE CLASSIFICATION OF SEDIMENTS IN A COASTAL CURRENT MIXING PROGRADING ZONE ON THE SOUTHEAST COAST OF SRI LANKA
8.10-8.20	170	B11.2	G.T.D. Chandrakumara	MOBILIZATION AND FRACTIONATION OF RARE EARTH ELEMENTS DURING WEATHERING OF CARBONATITES AT EPPAWALA, SRI LANKA
8.20-8.30	240	B11.3	W.M.S.K. Weeranayake	INFLUENCE OF CRYSTALLIZATION OF PHOSPHATE MINERALS ON RARE EARTH ELEMENTS CHEMISTRY OF EPPAWALA PHOSPHATE DEPOSIT, SRI LANKA.
8.30-8.40	259	B11.4	K.C.C. Silva	MOHO DEPTH VARIATION IN MANNAR SUB-BASIN FROM GRAVITY DATA
8.40-8.50	264	B11.5	K.P.M. Weerarathne	MID-HOLOCENE SEDIMENTOLOGICAL CHARACTERISTICS AND COASTAL LANDSCAPE OF SOUTHERN SRI LANKA: A HISTORY OF ADAPTIVE BEHAVIOUR OF PREHISTORIC POPULATIONS
8.50-9.00	275	B11.6	P. Abewardana	MAJOR ELEMENT GEOCHEMISTRY OF CHARNOCKITIC ROCKS IN HIGHLAND AND WANNI COMPLEXES OF SRI LANKA
9.00-9.10	276	B11.7	W.L.A.C.I. Weedagama	TEXTURAL CHARACTERISTICS OF SAND GRAINS IN RED EARTH DEPOSIT IN NORTH AND NORTHWESTERN SRI LANKA: IMPLICATIONS ON ORIGIN
9.10-9.20	289	B11.8	W.A.G.K. Wickramasinghe	GEOLOGICAL AND GEOCHEMICAL CHARACTERISTICS OF CALCITE DEPOSITS AT BALANGODA, SRI LANKA: IMPLICATIONS FOR ORIGIN
9.20-10.00				Panel Discussion

Earth and Environmental Sciences 2 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
10.30-12.30	EES2 / B12	Prof. A Senarathne Prof. A.D.L.C Perera	Dr. Aadarshi Welagedara adarshiwelegedara@gmail.com, 701589798

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	12	B12.1	L.M. Thilakarathne	SYNTHETIC NANO \(g-Fe_2 O_3\) COATED LATERITE SAND FOR ADSORPTIVE REMOVAL OF FLUORIDE FROM NATURAL WATER
10.40-10.50	50	B12.2	J.U. Halpegama	PERFORMANCE OPTIMIZATION OF ELECTROCOAGULATION REACTOR FOR SIMULTANEOUS REMOVAL OF HARDNESS AND FLUORIDE BY SURFACE RESPONSE METHODOLOGY
10.50-11.00	78	B12.3	J.M.M. Wijesinghe	EFFECT OF ABAMECTIN CONCENTRATION AND TEMPERATURE ON ITS BIOREMEDIATION BY \(Staphylococcus\ nepalensis\)
11.00-11.10	159	B12.4	T.M.P.D.M. Thennakoon	ENHANCED REMOVAL OF \(Cr\)(III) BY \(NaOH\)-MODIFIED SCRAPED COCONUT WASTE
11.10-11.20	248	B12.5	P. Ariyaratne	IMPROVED HEAVY METAL ADSORPTION BY \(MOF/TiO_2\) NANO-COMPOSITES
11.20-11.30	255	B12.6	S. Senarathne	EVALUATION OF GROUNDWATER QUALITY AND SUITABILITY IN LOWER WALAWE BASIN FOR DRINKING AND IRRIGATION
11.30-12.20				Panel Discussion

Earth and Environmental Sciences 3 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
1.00-3.00	EES3 / F11	Prof. S K Yatigammana Dr. S N P Athukorala	Dr. Nadeesha Koralegedara nadeeshak@pdn.ac.lk, 776185648

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	45	F11.1	K.N.M.H.H. Kosgahakumbura	IMPACT OF ASSOCIATED ANIONS ON LEAD UPTAKE BY \(Pistia\ stratiotes\) AND \(Salvinia\ molesta\): A NEW PERSPECTIVE FOR PHYTOREMEDIATION
1.10-1.20	84	F11.2	K.R.S. Perera	ALLELOPATHIC EFFECT OF AQUEOUS EXTRACT OF INVASIVE ALIEN PLANT, WEDELIA (\(Sphagneticola\ trilobata\)) ON BEANS (\(Phaseolus\ vulgaris\))
1.20-1.30	164	F11.3	H.M.N.P. Herath	AQUATIC INVASIVE WEEDS \(Eichhornia\ crassipes\) AND \(Salvinia\ molesta\): HERBICIDAL PROPERTIES AGAINST \(Brassica\ juncea\) AND \(Pennisetum\ polystachion\)
1.30-1.40	165	F11.4	M.N.F. Shamla	HERBICIDAL PROPERTIES OF TERRESTRIAL INVASIVE ALIEN PLANTS \(Lantana\ camara\) AND \(Panicum\ maximum\) AGAINST \(Pennisetum\ polystachion\) AND \(Brassica\ juncea\)
1.40-1.50	199	F11.5	T.M. Paranavithana	EVALUATION OF MICROBIAL BIOMASS CARBON IN PADDY SOILS OF ANURADHAPURA DISTRICT, SRI LANKA
1.50-2.00	217	F11.6	R.B.N. Dharmasiri	NAPHTHALENE DEGRADATION ABILITY OF PHYLLOPLANE \(Bacillus\ Sp\). INHABITING URBAN AREAS IN SRI LANKA
2.00-2.10	260	F11.7	K.R.V. Bandara	LEVEL OF TRIBUTYLTIN CONTAMINATION IN \(Perna\ viridis\)
2.10-2.20	267	F11.8	E.M.M.S. Ekanayake	PHYTOREMEDIATION OF SYNTHETIC TEXTILE DYE (DIRECT BLUE 201) BY \(Eichhornia\ crassipes\) (MART.) SOLMS VIA BIO-SORPTION AND ENZYMATIC DEGRADATION
2.20-3.00				Panel Discussion

Earth and Environmental Sciences 4 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
3.30-5.30	EES4 / F12	Prof. S Malaviarachchi Dr. U Ranathunga	Dr. Bhathiya Athurupana bhathiyaat@gmail.com, 771114752

Time	Abstract ID	Presenter ID	Presenter	Title
3.30-3.40	43	F12.1	N.M.S.S.B. Karunatilake	PHOTO-DEGRADATION OF REACTIVE TEXTILE DYE EFFLUENTS USING MAGNESIUM OXIDE NANOPARTICLES
3.40-3.50	77	F12.2	H.M.H.D.K. Naranpanawa	ENHANCING PERFORMANCE OF RECHARGEABLE LITHIUM-ION BATTERIES BY ALKALI ROASTING AND ACID LEACHING OF VEIN GRAPHITE
3.50-4.00	94	F12.3	T.M.M.K. Bandara	STUDY OF Cu2+ADSORPTION, KINETICS AND EQULIBRIUM ON ABSORBENT FORMED BY REACTION BETWEEN PARA-NITROACETANILIDE AND CONCENTRATED SULFURIC ACID
4.00-4.10	123	F12.4	C.J. Thambiliyagodage	SIMPLE METHOD TO SYNTHESIS OF \(Fe_2 Ti O_5-TiO_2\) HETEROSTRUCTURES FROM ILMENITE AND THEIR PHOTOCATALYTIC ACTIVITY FOR DEGRADATION OF METHYLENE BLUE
4.10-4.20	127	F12.5	A.M.D. Rajapakshe	SYNTHESIS OF NANO-SIZED \(Cu\)-ZEOLITE USING A NEW MICROWAVE ASSISTED METHOD
4.20-4.30	151	F12.6	M.N. Pahalagedara	LOW ENERGY STEREO-SELECTIVE EPOXIDATION OF TRANS-STILBENE: SHAPE SELECTIVE HETEROGENEOUS CATALYSIS USING MORPHOLOGY CONTROLLED MIXED METAL OXIDES
4.30-4.40	208	F12.7	P.T.S.K. Dayananda	USE OF STARCH-BORATE-UREA-LIGNIN FERTILIZER MATRIX FOR CONTROLLED RELEASE OF UREA
4.40-4.50	247	F12.8	R.K.D.S. Samaradiwakara	UNDERSTANDING ALTERATION PHENOMENA OF ASBESTOS-CEMENT SHEETS IN SRI LANKA
4.50-5.30				Panel Discussion

Earth and Environmental Sciences 5 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
8.00-10.00	EES5 / B21	Prof. H A Jayasena Dr. N W Balasooriya	Dr. P.L. Dharmapriya dharmapriyapdn@gmail.com, 713317951

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	11	B21.1	I.D.U.H. Piyathilake	PRIORITIZATION OF WATERSHEDS IN UVA PROVINCE, SRI LANKA BASED ON SOIL EROSION HAZARD
8.10-8.20	114	B21.2	R.M.G.N. Rajapaksha	DRAINAGE NETWORK QUANTIFICATION IN A MOUNTAINOUS WATERSHED: A GIS-BASED APPROACH IN BADULU OYA BASIN, SRI LANKA
8.20-8.30	163	B21.3	L.S. Madhushani,	DETERMINATION OF TRACE METAL LEVELS IN BULK DEPOSITION AT UNIVERSITY OF PERADENIYA
8.30-8.40	194	B21.4	W.A.N.I. Perera	STUDY OF GROUNDWATER RECHARGE IN MA-OYA MICRO CATCHMENT OF MAHAWELI RIVER
8.40-8.50	168	B21.5	B.M.D.S. Balasuriya	IMPREGNATION OF COCONUT COIR BASED ACTIVATED CARBON WITH MAGNETITE TO ENHANCE EFFICIENCY OF WATER SOFTENING
8.50-9.00	213	B21.6	I.S. Somasiri	VERIFICATION OF RUSLE MODEL FOR SRI LANKA: A GIS BASED CASE STUDY IN UPPER MAHAWELI CATCHMENT
9.00-9.10	258	B21.7	A.M. N. Athauda,	STUDY ON SPATIAL AND TEMPORAL VARIATION OF WATER QUALITY OF THE YAN OYA RIVER BASIN
9.10-9.20	270	B21.8	A.B.N. Witanage	ASSESSMENT OF RURAL WATER SUPPLY IN SRI LANKA: A CASE STUDY FROM WATTEGAMA WATER SUPPLY SCHEME, KANDY
9.20-10.00				Panel Discussion

Earth and Environmental Sciences 6 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
10.30-12.30	EES6 / B22	Prof. T Hewawasam Prof. R Weerasooriya	Dr. Apsara Wijenayake apsarauwijenayake@gmail.com / 0713525108

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	14	B22.1	S. Kayanan	SOLID WASTE MANAGEMENT ISSUES WITHIN VAVUNIYA URBAN COUNCIL LIMITS
10.40-10.50	67	B22.2	R.W.M.G.K. Kapukotuwa	MICROPLASTICS IN STREAM WATER AND SEDIMENTS OF RAWAN-OYA TRIBUTARY OF MAHAWELI RIVER IN KANDY DISTRICT
10.50-11.00	105	B22.3	D.M. Gajadeera	Management of Municipal Solid Wastes: An overview of the Collection, Composition and fate of Solid Waste of Local Authorities in Hambantota District in Sri Lanka
11.00-11.10	157	B22.4	R.K.D.S. Samaradiwakara,	ATMOSPHERIC POLLUTION BY MICROPLASTICS IN COLOMBO AND KANDY URBAN ENVIRONMENTS OF SRI LANKA
11.10-11.20	206	B22.5	J.N. Meepage	ANALYSIS OF SELECTED PRINTING INK AND THEIR DEGRADATION PRODUCTS
11.20-11.30	313	B22.6	A.M.P.E.K. Atapattu	OPEN SOLID WASTE DISPOSAL AND ITS EFFECTS ON WATER QUALITY IN CENTRAL PROVINCE AREA OF MAHAWELI RIVER DUE TO PREVAILING URBAN AREA MANAGEMENT SYSTEMS
11.30-11.40	318	B22.7	W.B.C.P. Weerarathne	PARTICULATE MATTER ANALYSIS IN AIR OF A HIGH DENSITY CHRYSOTILE ASBESTOS RELATED PRODUCTION FACTORY IN SRI LANKA
11.40-12.30				Panel Discussion

Earth and Environmental Sciences 7 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
1.00-3.00	EES7 / F21	Prof. S K Gunatilake Mr. A Wicramasooriya	Dr. P.L. Dharmapriya dharmapriyapdn@gmail.com, 713317951

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	90	F21.1	K.A.T.D.D.K. Arachchi	ALTERATION OF PHYTOPLANKTON GROWTH BY SOME SELECTED ZOOPLANKTON SPECIES FOR THE APPLICATION IN BIOMANIPULATION
1.10-1.20	96	F21.2	G.G.S.L. Bandara	GEOTAGGED ADDRESS INFORMATION FRAMEWORK FOR SERVICE PROVIDERS
1.20-1.30	181	F21.3	D.D.M.O. Dissanayake	Soil organic carbon IN Blue Carbon ecosystems OF NORTH WEST OF SRI LANKA
1.30-1.40	201	F21.4	P. Rajkumar	SITE SUITABILITY EVALUATION OF CULTURAL PLACES FOR ECOTOURISM DEVELOPMENT IN JAFFNA DISTRICT, SRI LANKA SITE SUITABILITY EVALUATION OF CULTURAL PLACES FOR ECOTOURISM DEVELOPMENT IN JAFFNA DISTRICT, SRI LANKA
1.40-1.50	262	F21.5	H.D.D. Sadeepa	BIOTECHNOLOGICAL PROSPECTS OF MICROBIAL COMMUNITY IN WAHAVA HOT SPRINGS IN SRI LANKA
1.50-2.00	263	F21.6	D.S. De Silva	SPATIAL PATTERNS AND MAJOR CAUSES OF ELEPHANT MORTALITIES IN MAHAWELI WILDLIFE CONSERVATION AREA, SRI LANKA
2.00-2.10	266	F21.7	G.D. Ramanayake	BIODEGRADABILITY OF LOW DENSITY POLYETHYLENE BY SOIL FUNGUS Talaromyces purpureogenus ISOLATE SJP-GF085
2.10-2.20	301	F21.8	K.K.H.P. Nisansala
2.20-3.00				Panel Discussion

ICT, Mathematics and Statistics 1 - Friday 27^th November, 2020.

Time	Theme/Session	Session Chair	Host	Links
8.00-10.00	ICTMS1 A11	Dr. Z.A.M.S. Juman Dr. C. K. Walgampaya	Dr. Gayani Udagedara (gayaniclark@gmail.com, 702404226)	Click Here to Participate

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	29	A11.1	A.W.V.M. Amunugama,	A MATHEMATICAL MODEL FOR STOCK PRICES IN THE COLOMBO STOCK EXCHANGE
8.10-8.20	51	A11.2	K.M.D.A. Fernando	STUDY ON MUTATION MECHANISMS OF HUMAN BREAST CANCER IN SRI LANKA
8.20-8.30	98	A11.3	M.K.D.D. Sandaruwan	THREE-PHASED HEURISTIC ALGORITHM BASED ON INTEGER LINEAR PROGRAMMING FOR CAPACITATED VEHICLE ROUTING PROBLEM
8.30-8.40	119	A11.4	C.W. Sahabandu	COMPUTING BUMP-FUNCTION LANDSCAPE IN TOPOLOGICAL DATA ANALYSIS
8.40-8.50	120	A11.5	E.S. Abbas	MONITORING SURGICAL PERFORMANCE USING RISK-ADJUSTED MULTIVARIATE CUMULATIVE SUM CHARTS
8.50-9.00	156	A11.6	A.M.S.M.C.M. Aththanayake	A COMPARISON BETWEEN GENETIC ALGORITHM AND LOGISTIC REGRESSION ON VARIABLE SELECTION: A CASE STUDY
9.00-9.10	192	A11.7	A.M.U.J.B. Abeysinghe	DETERMINING A SHORTEST PATH FOR TRAVELLING SALESMAN PROBLEM USING IMPROVED NODE SELECTION CRITERION
9.10-9.20	268	A11.8	W.A. Gunarathna	QUASI-COMPACT FOURTH ORDER APPROXIMATIONS FOR FRACTIONAL DERIVATIVES AND APPLICATIONS
9.20-10.00				Panel Discussion

ICT, Mathematics and Statistics 2 - Friday 27^th November, 2020.

Time	Theme/Session		Session Chairs	Host	Links
10.30-12.30	ICTMS2/A12		Dr. A.A.S Perera Dr. P.G.R.S. Ranasinghe	Dr. Udeni Wijesooriya (udeniw@sci.pdn.ac.lk, 716889868)	Click Here to Participate

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	93	A12.1	M.D.M.C.P. Weerarathna	PRIME LABELLING OF CENTRELESS DOUBLE WHEEL GRAPHS (\(CDW_{2n}\))
10.40-10.50	95	A12.2	T.R.D.S.M. Thennakoon	PRIME LABELLING OF NEWLY CONSTRUCTED GRAPHS OBTAINED BY REPLACING EACH EDGE OF A STAR GRAPH BY A COMPLETE TRIPARTITE GRAPH
10.50-11.00	118	A12.3	A.M.U.J.B. Abeysinghe	INTEGER PARTITIONS AND THEIR GRAPHICAL REPRESENTATIONS
11.00-11.10	145	A12.4	M.D.M.C.P. Weerarathna	A STUDY ON PRODUCT OF COMPLETE BIPARTITE GRAPHS OF THE FORM \(K_{n,n}, n\in\mathbb{Z}^+\)
11.10-11.20	200	A12.5	W.V. Nishadi	GENERALIZED HADAMARD MATRICES AND 2-FACTORIZATION OF COMPLETE GRAPHS
11.20-11.30	232	A12.6	K.M.P.G.S.C. Kapuhennayake	AN ALTERNATIVE APPROACH FOR GOLD GRABBING GAME
11.30-11.40	297	A12.7	W.W.P.M.T.M. Karunasena	A STUDY OF DNA SIMILARITY ANALYSIS IN EVOLUTIONARY RELATIONSHIPS USING GRAPH THEORY
11.40-12.30				Panel Discussion

ICT, Mathematics and Statistics 3 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
1.00-3.00	ICTMS3/E11	Dr. Rekha De Silva (rkokum@gmail.com, 718379386) Dr. Janitha Gunathilake (janithag@pdn.ac.lk, 714971207)	Dr. M.T.M. Dewasurendra (mangalagama.dewasurendra@sci.pdn.ac.lk, 772269636)

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	48	E11.1	E.M.D.R.K. Ekanayaka	NON-LINEAR DISPERSION OF A CHEMICAL POLLUTANT INTO A RIVER WITH NON-LINEAR INITIAL FLOW
1.10-1.20	52	E11.2	W.H.D.T. Karunarathna	A METHOD OF DIRECTLY DEFINING THE INVERSE MAPPING FOR PARTIAL DIFFERENTIAL EQUATIONS
1.20-1.30	162	E11.3	W.M.E.S. Wijesinghe	A MATHEMATICAL MODEL FOR COVID-19 TRANSMISSION IN SRI LANKA
1.30-1.40	236	E11.4	I. Wijerathne	REDUCED ORDER MODELLING FOR RADIATION DETECTION
1.40-1.50	237	E11.5	A.A. Konpola	MATHEMATICAL ANALYSIS OF A DISEASED PREY- PREDATOR SYSTEM WITH HARVESTING OF PREY
1.50-2.00	305	E11.6	T. Rajendran	VOLUMETRIC FLOW RATE OF PARTICLE SUSPENSION FLOW OVER POROUS MEDIA
2.00-2.10	306	E11.7	T. Rajendran	A SELF SIMILARITY SOLUTION FOR A COUPLED CHANNEL FLOW
2.10-2.20	308	E11.8	P.A.S.D. Wijerathna	A NEW REDUCED SYSTEM OF MICHAELIS-MENTEN ENZYME REACTION MODEL
2.20-3.00				Panel Discussion

ICT, Mathematics and Statistics 4 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
3.30-5.30	ICTMS4 / E12		Prof R. D. Yapa (roshany@pdn.ac.lk, 718184896) Dr. L.S. Nawarathna (lakshikas@pdn.ac.lk, 767552223)	Mr. Prabhath Gunthilake (prabhathg@gmail.com, 777410161)

Time	Abstract ID	Presenter ID	Presenter	Title
3.30-3.40	31	E12.1	R. Tharshan	PERFORMANCE OF VARIOUS LOCATION-BASED LINDLEY FAMILY DISTRIBUTIONS BASED ON AKAIKE INFORMATION CRITERION
3.40-3.50	42	E12.2	T.T. Kaluarachchi	A NOVEL EXPRESSWAY TICKETING SYSTEM FOR SRI LANKA USING ARTIFICIAL INTELLIGENCE
3.50-4.00	218	E12.3	S.B.R. Pathiranage	STUDY OF SOLAR RADIATION VARIATION IN SRI LANKA
4.00-4.10	225	E12.4	W.G.D.C. Abesiriwardana	IMPACT OF INFORMATION SYSTEMS STRATEGY IN ACHIEVING BUSINESS SUCCESS: A CASE STUDY IN SRI LANKA
4.10-4.20	242	E12.5	P.M.O.P. Panahatipola	COMPARISON BETWEEN r-k AND r-d CLASS ESTIMATORS IN THE PRESENCE OF AUTOCORRELATED ERRORS IN LINEAR REGRESSION MODEL
4.20-4.30	254	E12.6	C.S.A. Britto	STATISTICAL APPROACH FOR MULTI-CLASS WEATHER CLASSIFICATION
4.30-5.20				Panel Discussion

ICT, Mathematics and Statistics 5 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
8.00-10.00	ICTMS8/E22	Prof. W.B. Daundasekara Dr. Rochana Meegaskumbura	Dr. Chathurika Athapattu (chathurikaa@sci.pdn.ac.lk, 779226491)

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	19	E22.1	N.K. Boralessa	MODELLING AND RISK ASSESSMENT OF EXTREME FIRE CLAIMS
8.10-8.20	61	E22.2	S.K.O.D. Samarathunge	TRANSPORTATION PROBLEM WITH VARYING DEMANDS AND SUPPLIES ARISING IN TEA DISTRIBUTION
8.20-8.30	160	E22.3	J.A.D.I.I.L. Jayathunga	THREE NEW HIGHER ORDER ITERATIVE SCHEMES FOR SOLVING NON-LINEAR EQUATIONS
8.30-8.40	186	E22.4	Y.C.D. Jayakaduwa	FIrst order KARUSH-KUHN-TUCKER CONDITIONS FOR QUADRATIC PROGRAMMING PROBLEMS WITH CONTINUOUS AND DISCRETE VARIABLES
8.40-8.50	195	E22.5	U.G.N. Lakmali	REDUCED DIFFERENTIAL TRANSFORM METHOD FOR APPROXIMATING SOLUTIONS FOR LINEAR AND NON-LINEAR PARTIAL DIFFERENTIAL EQUATIONS
8.50-9.00	227	E22.6	W.D.G.V. Wickramasinghe	ITERATIVE METHODS FOR SOLVING NONLINEAR EQUATIONS
9.00-9.10	286	E12.7	W.M.E.S. Wijesinghe	AN AGENT-BASED MODEL TO CAPTURE THE DYNAMICS OF FISH POPULATION IN THE KAUDULLA RESERVOIR, SRI LANKA
9.10-9.20	300	E22.7	D.M.N.K. Dissanayaka	MATHEMATICAL MODELING OF SPREADING OF COVID-19 IN SRI LANKA
9.20-10.00				Panel Discussion

ICT, Mathematics and Statistics 6 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
10.30-12.30	ICTMS6/A22	Prof P.Wijekoon Dr. S.P. Abeysundara	Dr. Mahsen Dehideniya (mahasend@pdn.ac.lk, 775145065)

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	15	A22.1	E.B.S. Samarakoon,	TREND ANALYSIS ON SOUTHWEST MONSOON RAINFALL IN SRI LANKA USING DROUGHT INDICES
10.40-10.50	18	A22.2	B.W.M.W.T.P. Weerasekara	STATISTICAL APPROACH ON U-Pb ZIRCON GEOCHORONOLOGY WITHIN THE HIGH - GRADE BASEMENT OF SRI LANKA
10.50-11.00	121	A22.3	M.A.N.R. Kumari	SURVIVAL ANALYSIS OF BETA-THALASSEMIA MAJOR PATIENTS
11.00-11.10	198 (P)	A22.4	S.N. Jayaweera	A SHARING ECONOMY BUSINESS MODEL FOR SRI LANKAN ACCOMMODATION INDUSTRY
11.10-11.20	271	A22.5	R.A.V.S.J. Ranasinghe	FORECASTING STOCK PRICE INDEX IN SRI LANKA: A COMPARATIVE STUDY OF UNIVARIATE TIME SERIES MODELS
11.20-11.30	280	A22.6	B.M.S.M.B. Bowala	EFFECTIVE DECISION MAKING IN FRESHWATER PRAWN EXPORT INDUSTRY IN SRI LANKA
11.30-11.40	303	A22.7	P.R.K. Ganegoda	IMPACT OF GOVERNMENT FOREIGN DEBT ON GROSS DOMESTIC PRODUCT OF SRI LANKA
11.40-11.50	309	A22.8	N.D.S. Cooray	WEATHER FORECASTING USING DYNAMIC MODE DECOMPOSITION
11.50-12.30				Panel Discussion

ICT, Mathematics and Statistics 7 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
1.00-3.00	ICTMS7/E21	Prof. S.R. Kodituwakku Dr. Amalka Pinidiyaarachchi	Dr. S.P. Abeysundara (sachithme@gmail.com, 774924770)

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	44	E21.1	F. Shanaz	WIKIDATA BASED PERSON NAME DISAMBIGUATION FOR USER PROFILING IN NEWS RECOMMENDATION
1.10-1.20	76	E21.2	T.T. Kaluarachchi	TURNING GUI INTO HTML SOURCE CODE WITH IMAGE PROCESSING AND DEEP LEARNING
1.20-1.30	91	E21.3	T.R.N. Perera	A MACHINE LEARNING APPROACH FOR UNIVERSITY STUDENT AND COURSE PROFILING WITH RESULT PREDICTION: A CASE STUDY
1.30-1.40	197	E21.4	M.A.L. Manthrirathna	A REVIEW OF PERFORMANCE OF FEATURE SELECTION METHODS FOR MACHINE LEARNING ALGORITHMS FOR TWITTER SENTIMENT ANALYSIS
1.40-1.50	205	E21.5	P.K.D.K. Kaushalya	AN AFFECTIVE ENGINEERING APPROACH FOR ENHANCED USER INTERFACE DESIGNING: A CASE STUDY OF WEBSITES OF SRI LANKAN HIGHER EDUCATIONAL INSTITUTES
1.50-2.00	209(P)	E21.6	.S.P. Premarathna	DEEP LEARNING APPROACH FOR ELEPHANT INTRUSION DETECTION SYSTEM FOR REDUCING HUMAN ELEPHANT CONFLICT
2.00-2.10	296	E21.7	P.A.S.D. Perera	ENCRYPTION ALGORITHMS USING GRAPH THEORY IN SYMMETRIC CRYPTOGRAPHY FOR PROVIDING BETTER DATA SECURITY
2.10-2.20	312	E21.8	D.M.C. Dissanayake	EFFECTIVE MACHINE LEARNING ALGORITHMS FOR ANOMALY INTRUSION DETECTION SYSTEM
2.20-3.00				Panel Discussion

ICT, Mathematics and Statistics 8 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
3.30-5.30	ICTMS5/A21	Prof. A.A.I. Perera Dr. M.I.M. Ishak	Dr. Amila Nishantha (amilans@sci.pdn.ac.lk, 711776241)

Time	Abstract ID	Presenter ID		Title
3.30-3.40	20	A21.1	A.P. Madhushani	A GENERALIZED ELLIPTIC CURVE ELGAMAL CRYPTOSYSTEM
3.40-3.50	41	A21.2	K.G.M.U. Wickramasinghe	EFFECT OF ADDING A NEW EDGE TO A NON-TRIVIAL GRAPH, ON \(R_{-1}(G)\) AND HARMONIC INDEX \(H(G)\)
3.50-4.00	56	A21.3	R.A.S.T. Abeysekara	ON A QUESTION OF CONSTRUCTING MÖBIUS TRANSFORMATIONS VIA SPHERES AND RIGID MOTIONS
4.00-4.10	60	A21.4	M.H.M.I. Kumari	SOME PROPERTIES OF THE UNITARIES REPRESENTING MINIMAL INNER TORAL POLYNOMIALS
4.10-4.20	89	A21.5	C.S.B. Dissanayake	BEHAVIOUR OF PURE ALGEBRAIC ISOPAIRS AT NON-REGULAR POINTS
4.20-4.30	138	A21.6	H.M.M. Chathurangi	A VARIANT OF RSA ALGORITHM WITH USE OF FERMAT'S LITTLE THEOREM
4.30-4.40	243	A21.7	H.S.I.Wijerathne	RESTORATION OF UNIQUE FACTORIZATION USING ROOTS OF QUARTIC POLYNOMIALS
4.40-4.50	279	A21.8	V. Dayalini	The \((G'/G)\)- EXPANSION METHOD TO THE GENERALIZED DERIVATIVE NON-LINEAR SCHRODINGER'S EQUATION
4.50-5.30				Panel Discussion

Life Sciences 1 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
8.00-10.00	LS1/D11	Prof. H.M.S.P. Madawala Prof. W.A.M. Daundasekara	Dr. Dilshan Beligala dbeligala@gmail.com, 701590009

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	47	D11.1	A.T. Madhusankha	ISOLATION AND CHARACTERIZATION OF \(Lactobacillus\) STRAINS FROM DOMESTIC CURD AND INVESTIGATION OF CURD FORMING ABILITY
8.10-8.20	130	D11.2	A.D.D.M. Siriwardhana	COMPARISON OF ANTIBIOTIC RESISTANCE PREVALENCE BETWEEN CATTLE FARMS IN KANDY AND KURUNEGALA DISTRICTS
8.20-8.30	135	D11.3	B.M.S. Nilmini	BIOACTIVE EXTRACTS FROM ENDOPHYTIC FUNGI ASSOCIATED WITH POPULAR ANTIDIABETIC MEDICINAL PLANT \(Coccinia\ grandis\)
8.30-8.40	183	D11.4	E.A.I.A. Perera	BIOACTIVE EXTRACTS FROM AN ENDOPHYTIC FUNGI FROM \(Zingiber\ of\!ficinale\)
8.40-8.50	185	D11.5	R.W.T.M.R.T.K. Bowange	MORPHOLOGICAL CHARACTERIZATION OF CYANOBACTERIA IN EXTREME ECOSYSTEMS OF SRI LANKA
8.50-9.00	265	D11.6	H.M.N.S. Kumari	HEALTH EXPENDITURES IN SRI LANKA
9.00-9.10	291	D11.7	G. Janarny	IN VITRO ANTIOXIDANT POTENTIAL AND TOTAL POLYPHENOLIC, FLAVONOID AND ANTHOCYANIN CONTENT OF EDIBLE FLOWERS IN SRI LANKA
9.20-10.00				Panel Discussion

Life Sciences 2 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
10.30-12.30	LS2 / D12	Prof. A. Wickramasinghe Prof. D. N. Karunaratne	Dr. Buddhie nanayakkara buddhie@sci.pdn.ac.lk, 713330282

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	16	D12.1	A. Deen	EFFECT OF PROCESSING ON BIOAVAILABILITY OF TOTAL PHENOL, TOTAL FLAVANOID AND ANTIOXIDANT CAPACITY OF COMMONLY CONSUMED LEGUMES IN SRI LANKA
10.40-10.50	28	D12.2	R.M.S.T. Rathnayake	MOF-199 IN CONTROLLED RELEASE OF DRUGS
10.50-11.00	75	D12.3	T.M.T.D. Thennakoon	SYNTHESIS OF DERIVATIVES OF OLEANOLIC ACID AND THEIR CYTOTOXICITY STUDIES
11.00-11.10	79	D12.4	S.S.K. Marasinghe	COMPARISON OF WATER AND OIL ABSORPTION CAPACITIES OF PARTIALLY DEFATTED COCONUT TESTA FLOUR FROM SELECTED SRI LANKAN COCONUT CULTIVARS
11.10-11.20	188	D12.5	H.S.T. Kaushalya	ENZYME INHIBITORY ACTIVITY OF TWO CARBAZOLE ALKALOIDS ISOLATED FROM \(Murraya\ koenigii\) (CURRY LEAVES)
11.20-11.30	269	D12.6	N.N.R.N. Nugara	PHYTOCHEMICAL SCREENING, QUANTITATIVE ANALYSIS AND CYTOTOXIC POTENTIAL OF \(Hemidesmus\ indicus\) LEAF EXTRACTS IN VITRO
11.30-11.40	282	D12.7	F.N. Ruffin	ISOLATION OF CELLULOSE DEGRADING BACTERIA FROM SOIL AND OPTIMIZATION OF THEIR CELLULASE PRODUCTION
11.40-11.50	315	D12.8	H.A.C.O. Hettiarachchi	ANTIOXIDANT ACTIVITY AND PHENOLIC COMPOUNDS AVAILABLE IN METHANOLIC SEED EXTRACTS OF THREE \(Annona\) SPECIES
11.50-12.30	Panel Discussion

Life Sciences 3 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
1.00-3.00	LS3 / H11	Prof. D.M.D. Yakandawala Dr. J.W. Damunupola	Mr. Chaminda Wijesundara chamindaw@sci.pdn.ac.lk,771096831

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	8	H11.1	T. Lakkana	DETECTING TRENDS IN FOREST DISTURBANCE AND RECOVERY USING LANDSAT TIME SERIES OF HORTON PLAIN NATIONAL PARK, SRI LANKA
1.10-1.20	10	H11.2	S.M.N. Anjalee	ASSESSING VARIATION OF BIOACTIVITY OF \(Dendrophthoe\ falcata\) ON THE HOST \(Limonia\ acidissima\) IN DIFFERENT ENVIRONMENTAL REGIONS OF SRI LANKA
1.20-1.30	21	H11.3	N.G.D.N. Nikagolla	ENHANCEMENT OF CHEMICAL DEFENSE AGAINST TWO POSTHARVEST FUNGAL PATHOGENS IN 'EMBUL' BANANA BY SOLUBLE SILICA TREATMENT
1.30-1.40	38	H11.4	B. I. Dasanayaka	FRUIT CHARACTERISTICS AND SEED GERMINATION BEHAVIOUR OF \(Dillenia\ indica\) (DILLENIACEAE)
1.40-1.50	39	H11.5	D.M.H.R. Dissanayaka	IDENTIFICATION OF FUNGAL PATHOGENS ASSOCIATED WITH FINGER MILLET (\(Eleusine\ coracana\)) IN SRI LANKA
1.50-2.00	128	H11.6	.M.P. Herath	MOLECULAR DISCRIMINATION OF CEYLON CINNAMON (\(Cinnamomum\ verum\)) FROM ITS MAJOR ADULTERANT CHINESE CINNAMON (\(C.\ aromaticum\))
2.00-2.10	214	H11.7	G.K.S.N. Gajanayake	ASSESSMENT OF BLAST DISEASE DAMAGE IN FINGER MILLET FARMER FIELDS: A PRELIMINARY INVESTIGATION
2.10-2.20	216	H11.8	D. Dissanayake	ANTIFUNAGAL NAPHTHOQUINONES FROM FUNGUS \(Monacrosporium\ ambrosium\) FROM \(Camellia\ sinensis\)
2.20-3.00				Panel Discussion

Life Sciences 4 - Friday 27^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
3.30-5.30	LS4 / H12	Prof. S. Boyagoda (suyamam@pdn.ac.lk, 774024436)	Ms. Chathurika Munasinghe chathurika.s.munasinghe@gmail.com, 714000445

Time	Abstract ID	Presenter ID	Presenter	Title
3.30-3.40	3	H12.1	J.M.S. Jayaweera	EFFECT OF EXCESSIVE CONCENTRATION OF ANTICOAGULANT DIPOTASSIUM ETHYLENE DIAMINE TETRAACETIC ACID ON COMPLETE BLOOD COUNT
3.40-3.50	17	H12.2	K.G.D.D. Thilakarathne	SPATIAL ARRANGEMENT OF TERRESTRIAL PEST GASTROPODS IN AGRICULTURAL LANDS IN THE NUWARA ELIYA DISTRICT, SRI LANKA
3.50-4.00	54	H12.3	S.S. Thilakarathne	GASTRO-INTESTINAL PARASITES OF WET AND DRY ZONE TOQUE MACAQUES (\(Macaca\ sinica\)) AND THEIR ZOONOTIC AND ANTHROPONOTIC POTENTIAL
4.00-4.10	65	H12.4	H.D.N.D. Abayawardena	EFFECTS OF LITHIUM ON CANONICAL WNT SIGNALING DURING THE EMBRYONIC DEVELOPMENT OF SIAMESE FIGHTER FISH, \(Betta\ splendens\)
4.10-4.20	103	H12.5	R.A.S. Ranatunga	CANINE BABESIOSIS: PREVALENCE, INTENSITY AND MOLECULAR IDENTIFICATION OF \(Babesia\) SPECIES IN DOGS BROUGHT TO VETERINARY TEACHING HOSPITAL, PERADENIYA
4.20-4.30	122	H12.6	P.S. Jayathilake	CANINE VECTOR BORNE DISEASES OF WORKING MILITARY DOGS OF SRI LANKA AIR FORCE, FREE-ROAMING AND PRIVATELY OWNED DOGS
4.30-4.40	124	H12.7	C.D. Wickramasinghe	MITOCHONDRIAL DNA BASED PHYLOGENY OF SRI LANKAN SUNBIRDS (PASSERIFORMES: NECTARINIIDAE)
4.40-4.50	295	H12.8	S.D.D.R. Kumara	ANALYSIS OF THE SEVERITY OF THE ACCIDENTS IN THE SOUTHERN EXPRESSWAY
4.50-5.30				Panel Discussion

Life Sciences 5 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host
8.00-10.00	LS5 / D21	Prof. C.L. Abayasekara Prof. R.G.S.C. Rajapakse	Dr. Piyumali Perera piyumali22@gmail.com, 769215090	Session Link

MODIFICATIONS OF C-3 AND ANTIBACTERIAL ACTIVITY OF 6\(\beta\)-HYDROXYBETUNOLIC ACID

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	6	D21.1	T. Vithushana	DEVELOPMENT AND EVALUATION OF SET YOGHURT INCORPORATED WITH ALOE VERA GEL AS BIO-PRESERVATIVE
8.10-8.20	131	D21.2	K.A.H. Kumara	ANTIOXIDANT, ANTIMICROBIAL AND PHYTOCHEMICAL SCREENING OF \(Micromelum\ minutum\) LEAF EXTRACTS
8.20-8.30	191	D21.3	J.M.J. Jayasundara	CYTOTOXIC POTENTIAL OF \(\alpha,\ \beta\)-UNSATURATED KETONES OF 3\(\beta\)-[(\(\alpha\)-L-ARABINOPYRANOSYL)OXY]OLEAN-12-EN-28-OIC ACID IN HUMAN NON-SMALL CELL LUNG CANCER (NCI-H292) CELLS USING SULFORHODAMINE B ASSAY
8.30-8.40	221	D21.4	N.E. Weerawarna	METHOD MODIFICATION AND DEVELOPMENT FOR ANALYSIS OF SYNTHETIC FOOD COLOURANTS
8.40-8.50	229	D21.5	W.G.D. Wickramasingha
8.50-9.00	239	D21.6	R. Thatparan	CELL LINE BASED RESEARCH ON HEPATO PROTECTIVE PLANTS MENTIONED IN AYURVEDA: A REVIEW
9.00-9.10	257	D21.7	L.I. Weerasinghe	COMPARISON OF THREE BIO-PROCESSING METHODS IN ETHANOL PRODUCTION: A POTENTIAL GREEN SOLUTION FOR FUTURE ENERGY CRISIS
9.10-9.20	281	D21.8	J.A.D.D. Karunarathna	ISOLATION OF LIPOLYTIC BACTERIA FROM OIL CONTAMINATED SOIL AND PRODUCTION OF LIPASES
9.20-10.00				Panel Discussion

Life Sciences 6 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
10.30-12.30	LS6 / D22	Prof. G.A.D. Perera Prof. K.M.G.G. Jayasuriya	Dr. Priyanga Wijesinghe priyangabest@gmail.com, 703335221

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	9	D22.1	D.G. Rajapaksha	BIOLOGICAL ACTIVITY OF \(Exacum\ trinervium\)
10.40-10.50	71	D22.2	K.J.W. Rajapaksa	DETERMINATION OF BIOACTIVITY AND ISOLATION OF GARCINOL IN \(Garcinia\ quaesita\)
10.50-11.00	101	D22.3	E.H.C.M. Eeriyawala	POLLEN BIOLOGY AND STIGMA RECEPTIVITY OF \(Osbeckia\ lanata\) ALSTON. (MELASTOMATACEAE)
11.00-11.10	107	D22.4	M.M.N. Damayanthi	EFFECT OF EXOGENOUS APPLICATION OF SALICYLIC ACID ON ALLEVIATION OF DROUGHT STRESS OF IMMATURE TEA (\(Camellia\ sinensis\)) PLANTS
11.10-11.20	132	D22.5	K.M.C.N. Kulanthunga	USE OF SPOROPHYTIC CHARACTERS IN THE IDENTIFICATION OF MOSSES (PHYLUM BRYOPHYTA)
11.20-11.30	133	D22.6	U.M.S.Y. Bandara	A PRELIMINARY STUDY OF MICROCLIMATIC CONDITIONS ON OCCURRENCE OF BRYOPHYTES
11.30-11.40	150	D22.7	G.M. Lakshani	HEALTHY \(Polyscias\ bal\!fouriana\) ROOTED CUTTINGS FOR LOCAL AND EXPORT FLORICULTURE INDUSTRY
11.40-11.50	230	D22.8	F. Fareed	CURRENT STATUS OF IVORY TRADE IN SRI LANKA: KNOWLEDGE AND PRACTICES OF LOCAL VENDORS
11.50-12.30				Panel Discussion

Life Sciences 7 - Saturday 28^th November, 2020.

Time	Theme	Session Chair	Host	Session Link
1.00-3.00	LS7 / H21	Prof. W.A.I.P. Karunaratne Dr. S.C.K. Rubasinghe	Dr. Suranjith Gama-arachchige nalin@sci.pdn.ac.lk, 776669844

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	129	H21.1	H.M.P. Herath	ISOLATION AND AMPLIFICATION OF GENOMIC DNA FROM POWDERED ADMIXTURE OF BLACK PEPPER AND ITS MAJOR ADULTERANTS
1.10-1.20	167	H21.2	M.O. Galappaththi	CYTOTOXIC EFFECTS OF Carica papaya LEAF EXTRACT AGAINST C6/36 \(Aedes\ albopictus\) CELLS
1.20-1.30	174	H21.3	J.R. Wakkumbura	RE-EVALUATING THE SPECIES LIMITS OF \(Aponogeton\ kannangarae\) AND \(Aponogeton\ jacobsenii\) USING ISSR DATA
1.30-1.40	187	H21.4	U.N. Bokalamulla	SPECIES LIMITS OF \(Lagenandra\) IN SRI LANKA USING MOLECULAR DATA
1.40-1.50	189	H21.5	A. Satkunanathan	A PRELIMINARY PHYLOGENY AND MORPHOLOGICAL ANALYSIS OF GENUS \(Epidelaxia\) (ARANEAE: SALTICIDAE) IN SRI LANKA
1.50-2.00	190	H21.6	M. Tharmarajan	MOLECULAR PHYLOGENY AND TAXONOMY OF GENERA \(Argyrodes\) AND \(Rhomphaea\) (ARANEAE: THERIDIIDAE) IN SRI LANKA
2.00-2.10	250	H21.7	J.M.M.K. Herath	ASSOCIATION OF ENTOMOLOGICAL INDICES OF DENGUE VECTORS WITH WEATHER VARIABLES IN KURUNEGALA DISTRICT
2.10-2.20	287 (P)	H21.8	W.G.D. Chathuranga	VERTICAL DISTRIBUTION OF ORNITHOPHILIC MOSQUITOES IN FORESTED HABITATS OF CENTRAL SRI LANKA
2.20-3.00				Panel Discussion

Life Sciences 8 - Saturday 28^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
3.30-5.30	LS8 / H22		Prof. R.S. Rajakaruna Dr. K. Pethiyagoda	Dr. Dilshan Beligala dbeligala@gmail.com, 701590009

Time	Abstract ID	Presenter ID	Presenter	Title
3.30-3.40	55	H22.1	Manori S. Amarajeewa	NUTRITIONAL AND HEALTH STATUS OF RURAL ELDERLY ATTENDING AYURVEDA MOBILE HEALTH CLINICS AT HANGURANKETHA AND MEDADUMBARA
3.40-3.50	68	H22.2	M. Shafras	PEDIGREE ANALYSIS OF TYPE 2 DIABETES MELLITUS INHERITANCE PATTERN IN PATIENTS ATTENDING DIABETIC CLINIC, NATIONAL HOSPITAL, KANDY, SRI LANKA
3.50-4.00	80	H22.3	J.M.P.S. Madamarandawala	PREVALENCE OF DRUG RESISTANCE AMONG TUBERCULOSIS PATIENTS IN KANDY, SRI LANKA AND ASSOCIATED FACTORS
4.00-4.10	137	H22.4	S.G.S. Prashadini	DETECTION OF \(Dirofilaria\ repens\) IN PET DOGS IN NUGEGODA AREA IN COLOMBO DISTRICT, SRI LANKA
4.10-4.20	182	H22.5	R. Salih	PREVELANCE OF \(Porphyromonas\ gingivalis\) AND \(Streptococcus\ mutans\) IN DENTURE-BIOFILMS FROM A GROUP OF COMPLETE-DENTURE WEARERS ATTENDING DENTAL HOSPITAL (TEACHING), PERADENIYA, SRI LANKA
4.20-4.30	222	H22.6	S.U. Galketiyahewage	GROUNDWATER QUALITY AND ANTIBIOTIC RESISTANCE OF BACTERIA IN WILGAMUWA, AN AREA OF CHRONIC KIDNEY DISEASE OF UNKNOWN ETIOLOGY (CKDu) IN SRI LANKA
4.30-4.40	241	H22.7	L.H.S. Umayangani	ASSESSMENT OF INDIGENOUS TREATMENT REGIMEN IN THE MANAGEMENT OF BLADDER CARCINOMA: A CASE SERIES
4.40-4.50	298	H22.8	H.A.D.B. Amarasiri	POSSIBLE DRUG-DRUG INTERACTIONS IN PRESCRIPTIONS OF DISCHARGED PATIENTS AT A SELECTED TEACHING HOSPITAL IN COLOMBO DISTRICT
4.50-5.30				Panel Discussion

Physical Sciences 1 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
8.00-10.00	PS1 / C11		Prof. L.R.A.K. Bandara Dr. V.A. Seneviratne	Dr. Ayesh Jayasinghe ayeshjayasingh@gmail.com/0714815578

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	66	C11.1	K.U. Perera	SYNTHESIS AND INVESTIGATION OF THERMOELECTRIC PROPERTIES OF POLYANILINE AND NICKEL
8.10-8.20	113	C11.2	H.M.I.S. Senevirathne	USE OF SELECTED AGRICULTURAL WASTE MATERIALS FOR SOUND ABSORPTION APPLICATIONS
8.20-8.30	177	C11.3	K.H. Ellepola	LOW-COST WATER PURIFICATION SYSTEM USING CONDENSATION
8.30-8.40	169	C11.4	M.A. Farhana	THICKNESS CONTROLLED FABRICATION OF \(Sb_2 S_3\) PLANAR STRUCTURE ENHANCED LIGHT HARVESTING AND CHARGE COLLECTION EFFICIENCY
8.40-8.50	202	C11.5	W.M.C.Y. Wijesundara	CONSTRUCTION OF A LOW-COST AUTOMATED SPECTRUM ANALYSER
8.50-9.00	223 (P)	C11.6	K. Umair	EFFICIENCY ENHANCEMENT IN \(SnO_2\) BASED DYE-SENSITIZED SOLAR CELLS BY INCORPORATING PLASMONIC GOLD NANOPARTICLES
9.00-9.10	246	C11.7	M. Rabindran	COMPATIBILITY OF DIFFERENT ELECTROLYTES WITH CARBON-BASED ELECTRODES IN ELECTROCHEMICAL DOUBLE-LAYER CAPACITORS
9.10-9.20	314	C11.8	S. Khadka	DESIGN AND OPTIMIZATION OF AN ACTIVE FLOW CONTROL METHOD TO OPTIMIZE THE AERODYNAMIC PERFORMANCE OF AN AIRFOIL IN A COMPRESSIBLE FLOW
9.20-10.00				Panel Discussion

Physical Sciences 2 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
10.30-12.30	PS2		Prof. M.A.K.L. Dissanayake Dr. V. Sivakumar	Dr. Chani Perera chanip07@gmail.com, 772344729

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	111	C12.1	D.G.B.C. Karunarathne	LOW-COST PEROVSKITE SOLAR CELLS BASED ON ACTIVATED COCONUT SHELL CHARCOAL AS THE HOLE-TRANSPORT LAYER
10.40-10.50	117	C12.2	K. Ariyasinghe	ESTIMATION OF SURFACE AND BUILD-UP REGION DOSE FOR COBALT-60 TELE-THERAPY UNITS
10.50-11.00	125	C12.3	M.A.S.H. Mirihana	\(Fe\)/\(Cu\)-\(Co\)-DOPED \(Ti\ O_2\) FOR EFFICIENT PHOTOCATALYTIC DYE DEGRADATION UNDER VISIBLE LIGHT
11.00-11.10	143	C12.4	A.A.A.P. Aththanayake	ELECTRICAL AND OPTICAL PROPERTIES OF \(F\)-DOPED \(Sn\ O_2\) NANOSTRUCTURED THIN FILMS SYNTHESIZED BY SEQUENTIAL NEBULIZER SPRAY PYROLYSIS
11.10-11.20	148	C12.5	K.G.P.P. Kahagalla	STUDIES ON UV ABSORPTION AND VISIBLE EMISSION OF \(La\) DOPED \(Zn\ S\)
11.20-11.30	175	C12.6	R.T.N. Rajapakshe	EFFECT OF PATIENT POSITIONING IN THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY FOR CARCINOMA IN THORAX REGION
11.30-11.40	207	C12.7	I.G.H.U. Kumarasinghe	FABRICATION OF POLYVINYLIDENE FLUORIDE PIEZOELECTRIC FILM FOR NANOGENERATORS
11.40-11.50	226	C12.8	T.M.A.A.B.Thennakoon	ELECTROCHEMICAL EXFOLIATION OF GRAPHITE INTO GRAPHENE WITH BLACK TEA
11.50-12.30				Panel Discussion

Physical Sciences 3 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
1.00-3.00	PS3/G11		Prof. K. Premaratne Dr. P.W.S.K. Bandaranayake	Dr. Subhashini Gunathilake smdhgunathilake@yahoo.com, 773849091

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	7	G11.1	Zhi-Guo Wu	ONE-POT SYNTHESIS OF NITROGEN-DOPED REDUCED GRAPHENE OXIDE AS THE EFFICIENT ELECTROCHEMICALLY MODIFIED ELECTRODE MATERIAL FOR \(Hg\)(II) DETECTION
1.10-1.20	147	G11.2	P.S. Vishalini	PLANT PIGMENTS FOR SUNSCREEN: A SPECTROSCOPIC STUDY
1.20-1.30	149	G11.3	B. Sajeevan	CALIBRATION OF PERIOD-LUMINOSITY RELATION OF HIGH AMPLITUDE \(\delta\) SCUTI TYPE VARIABLES USING BAADE-WESSELINK METHOD
1.30-1.40	152	G11.4	H.G.N. Rajapaksha	CYCLIC VOLTAMMETRY STUDY ON ZINC RECHARGEABLE CELLS
1.40-1.50	153	G11.5	D.S.K. Rajaguru	SRI LANKAN NATURAL GRAPHITE/GEL POLYMER ELECTROLYTE BASED ELECTROCHEMICAL DOUBLE LAYER CAPACITOR
1.50-2.00	154	G11.6	R.M.L.L. Rathnayake	CHARGE-DISCHARGE BEHAVIOUR OF AN IONIC LIQUID GEL POLYMER ELECTROLYTE BASED ZINC/ NATURAL GRAPHITE CELL
2.00-2.10	172	G11.7	L.B.E. Gunasekara	INVESTIGATION OF CHARGE TRANSPORT IN POLYETHYLENE OXIDE-BASED IONIC CONDUCTORS
2.20-3.00				Panel Discussion

Physical Sciences 4 - Saturday 28^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
8.00-10.00	PS4 / C21		Prof. R.M.G. Rajapakse Dr. Athula Bandara	Dr. Manjula Wijesinghe 706223000

Time	Abstract ID	Presenter ID	Presenter	Title
8.00-8.10	46	C21.1	A.G.S.V.B. Dharmadasa	EFFECT OF HYDROPHOBICITY ON ENTRAPMENT EFFICIENCY OF DENDRIMERS
8.10-8.20	64	C21.2	N.R.M. Nelumdeniya	SIZE DEPENDENCE OF HOST-GUEST INTERACTIONS OF \(\beta\)-CYCLODEXTRIN IN SILICO
8.20-8.30	70	C21.3	N.C. Rathnayaka	PANI/PCL BLENDED CONDUCTIVE AND BIODEGRADABLE NANO-FIBRE TWISTED YARNS FOR BIOMEDICAL APPLICATIONS
8.30-8.40	73	C21.4	D.N.M. Kannangara	GENERATION OF A COARSE-GRAINED MOLECULAR MECHANICS MODEL FOR POLOXAMER MOLECULES
8.40-8.50	88	C21.5	R. Dushanan	INHIBITION OF HISTONE DEACETYLASE LIKE PROTEIN: INSIGHTS FROM COMPUTATIONAL STUDIES
8.50-9.00	176	C21.6	S.N. Abeysingha	\(Zn\) AND \(Ni\) BASED METAL-ORGANIC FRAMEWORKS FOR PHOTOVOLTAIC APPLICATION
9.00-9.10	178	C21.7	B.V.N. Sewwandi	GRAPHITIZED CARBON SPHERES (CSs) WITH HIERARCHICAL SURFACE MORPHOLOGY BY CHEMICAL VAPOUR DEPOSITION (CVD)
9.10-9.20	203	C21.8	H. Begam	CHEMICAL BATH DEPOSITION: AN EFFECTIVE METHOD FOR DEPOSITION OF THIN FILMS OF METAL ORGANIC FRAMEWORKS
9.20-10.00				Panel Discussion

Physical Sciences 5 - Saturday 28^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
10.30-12.30	PS5 /C22		Prof. M.Y.U. Ganehenege Prof. C.V. Hettiarachchi	Dr. Dimanthi Uduwela dimanthi.uduwela@gmail.com, 774477949

Time	Abstract ID	Presenter ID	Presenter	Title
10.30-10.40	22	C22.1	U.G.M. Ekanayake	AN ELECTROSPRAY-BASED FABRICATION OF SILICA AEROGEL EMBEDDED POLYURETHANE ULTRAHYDROPHOBIC SURFACE
10.40-10.50	62(P)	C22.2	P.N. Dissanayake	ENHANCEMENT OF EFFICIENCY OF ZINC OXIDE BASED PHOTO-ELECTROCHEMICAL CELL BY COUPLING OF MULTIPLE DYES
10.50-11.00	92	C22.3	P. Herath	CONCENTRATION DEPENDENCE OF SINGLE BULB SONOLUMINESCENCE THRESHOLD IN SULFURIC ACID
11.00-11.10	171	C22.4	B.M.N. Lakmini	PHYCOREMEDIATION OF METHYLENE BLUE
11.10-11.20	211	C22.5		UREA: ADIPIC (2:1) CO-CRYSTAL AS A SLOW RELEASE NITROGEN SOURCE
11.20-11.30	219	C22.6	W. Jayawickrama	CARBOXYMETHYL CELLULOSE COATED UREA INTERCALATED MONTMORILLONITE NANOCOMPOSITES FOR CONTROLLED RELEASE OF UREA
11.30-11.40	235	C22.7	M.K.N. Ranasinghe	HYDROTHERMAL SYNTHESIS AND CHARACTERIZATION OF MORDENITE
11.40-11.50	288	C22.8	N.N.G. Chiranthika	EVALUATION OF NUTRITIONAL AND PHYSICOCHEMICAL CHARACTERISTICS OF Lasia spinosa ROOT
11.50-12.30				Panel Discussion

Science Education 1 - Friday 27^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
3.30-5.30	SE1 /G12		Prof. H.M.S.P. Madawala Dr. W.D. Chandrasena	Mr. Saumya Bandara saumyasnp@gmail.com, 714646822

Time	Abstract ID	Presenter ID	Presenter	Title
3.30-3.40	40	G12.1	H.D.K. Darandakumbura	EFFECT OF GUIDED INQUIRY-BASED LABORATORY EXPERIMENTS ON ATITUDES OF STUDENTS TOWARDS SCIENCE LEARNING
3.40-3.50	158	G12.2	A.M.R.S. Bandara	CHALLENGES OF SCIENCE EDUCATION OF INDIGENOUS STUDENTS: A CASE STUDY FROM UVA PROVINCE, SRI LANKA
3.50-4.00	234	G12.3	N. Kumari	TEACHER INVOLVEMENT IN DEVELOPING STUDENTS' SCIENCE PROCESS SKILLS OF ADVANCED LEVEL BIOLOGY TEACHING IN KURUNEGALA DISTRICT, SRI LANKA
4.00-4.10	261	G12.4	R. Ramanan	EFFECT OF ENTREPRENEURIAL ORIENTATION ON EDUCATIONAL ADMINISTRATION TO ENHANCE SCIENCE EDUCATION: A CASE STUDY IN JAFFNA, SRI LANKA
4.10-4.20	292	G12.5	E.M.T. Bandaranayake	EFFECTIVENESS OF APPLYING SELF-DETERMINATION THEORY IN TEACHING MATHEMATICS: A CASE STUDY IN HATTON EDUCATION ZONE
4.20-4.30	299	G12.6	D.P. Waidyathilake	PERCEPTIONS ON NON-MATHEMATICS TEACHERS' PEDAGOGICAL SKILLS IN TEACHING MATHEMATICs
4.30-5.10				Panel Discussion

Science Education 2 - Saturday 28^th November, 2020.

Time	Theme		Session Chair	Host	Session Link
1.00-3.00	SE2 / G21		Dr. T.M.S.S.K. Yatigammana Ekanayake Dr. Pushpa Vitharana	Mr. Saumya Bandara saumyasnp@gmail.com, 714646822

Time	Abstract ID	Presenter ID	Presenter	Title
1.00-1.10	69	G21.1	P. Vijayakumaran	EFFECT OF SELF-DETERMINATION THEORY IN PHYSICS TEACHING PROCESS IN JUNIOR SECONDARY CLASSES IN JAFFNA DISTRICT
1.10-1.20	173	G21.2	T. Sakeetharan	PERCEPTION OF SCIENCE TEACHERS TOWARDS CHEMISTRY LABORATORY WORK
1.20-1.30	184	G21.3	W.A.S. Deshapriya	EFFECT OF USING ESSENTIAL LEARNING CONCEPTS ON STUDENTS' G.C.E. (O/L) MATHEMATICS PERFORMANCE
1.30-1.40	285	G21.4	D.K. Wijethunga	USE OF ETHNOMATHEMATICS IN SECONDARY SCHOOL CURRICULUM: A CASE STUDY IN KANDY EDUCATION ZONE
1.40-1.50	293	G21.5	D.M.M. Niroshani	STUDENTS' PERFORMANCE AND PERCEPTIONS OF STUDENTS AND TEACHERS IN GRADE FIVE AND GRADE SIX MATHEMATICS: A CASE STUDY IN TRINCOMALEE EDUCATION ZONE
1.50-2.00	319	G21.6	H.M.D.R. Senevirathna	EFFECTIVENESS OF LABORATORY WORKSHOPS TO IMPROVE STUDENTS' SCIENCE PRACTICAL SKILLS: A CASE STUDY IN KATUGASTOTA EDUCATION ZONE
2.00-2.40	Panel Discussion			Panel Discussion