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Browsing Materials Engineering Symposium on Innovation for Industry by Author "Amarasinghe, DAS"

Browsing Materials Engineering Symposium on Innovation for Industry by Author "Amarasinghe, DAS"

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  • Development of a low cost, static light scattering based nano-particle size analyzer 
    Anuradha, SKA; Ishan, HHA; Amarasinghe, DAS [Conference-Abstract]
    A machine based on Static Light Scattering theories was developed for the cost effective and efficient Quality Control of the average particle size of nano-particles used in different manufacturing industries. In particular ...
  • Development of a method to measure contact angles of sessile droplets to analyze and enhance the surface wettability of nichrome 
    Kumarasiri, AAAP; Amarasinghe, DAS; Attygalle, D [Conference-Abstract]
    Nichrome (Ni/Cr) alloys are used in many industrial applications due to their better electrical properties and commercial availability. It is a known fact that these alloys are having a surface passivation layer of chromium ...
  • Development of an exhaled breath analyzer for early detection of diseases 
    Panawala, PSS; Tissera, PIU; Amarasinghe, DAS [Conference-Abstract]
    Chronic Kidney Disease (CKD) represents a significant global health burden, with early detection being crucial for effective management and improved patient outcomes. This research focuses on the development of an Exhaled ...
  • Development of an exhaled breath analyzer for early detection of diseases 
    Panawala, PSS; Tissera, PLU; Amarasinghe, DAS [Conference-Abstract]
    Chronic Kidney Disease (CKD) represents a significant global health burden, with early detection being crucial for effective management and improved patient outcomes. This research focuses on the development of an Exhaled ...
  • Development of antimicrobial materials for food packaging applications 
    Senarath, SMNS; Madushani, SPA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    The rising demand to increase fresh food shelf life as well as the need of protection against foodborne diseases urged the development of antimicrobial food packaging. Nanomaterials have increasingly being used in food ...
  • Development of cellulose-based precursor solution for electrospinning technique 
    Basnayaka, BMCGK; Udeshini, AA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    To electro-spin a polymer solution, certain specific conditions need to be met, for example, acetyl content (A) (38- 40%), degree of substitution (DS) (2.3-2.5), molecular weight(M) (30,000 100,000 gmol-1) solution system ...
  • Development of Graphene Oxide based capacitive gas sensor for NO2 detection 
    Deemantha, MBA; Gunasena, RGSP; Amarasinghe, DAS [Conference-Abstract]
    Parallel plate capacitive gas sensor was assembled using Graphene Oxide (GO) as the transducer material. The sensor was tested with NO2 as the target gas. GO was synthesized according to the Improved Hummer's Method ...
  • Development of metal oxide based solid state gas sensor platform 
    Udaraka, MPSD; Nanayakkara, HATV; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]
    Gas sensors are chemical sensors which have a transducer and an active layer for converting the chemical information into another form of electronic signal. Gas detection and determining the composition of a gas in a ...
  • Development of nano silver impregnated food packaging materials 
    Samarasekara, AMPB; Amarasinghe, DAS; Madhushan, WKP; Chathuranga, SN [Conference-Abstract]
    The growing demand for increased shelf-hfe of food and the need for protection against foodbome diseases, fiiel the development of new food packaging materials. Silver-nanoparticle (AgNp) impregnated packaging materials ...
  • Development of spark emission spectrometer to identify an alloy 
    Gunerathne, MGGM; Karunasena, DBTK; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]
    Spark optical emission spectrometer (OES) is a widely used technique in identifying alloy compositions of metals. Based on the OES principle, a low-cost spark, portable and fully automated spark optical emission spectrometer ...
  • Electric double layer capacitors (EDLC) 
    Amarathunga, S; Malshan, LJP; Amarasinghe, DAS [Conference-Abstract]
    A capacitor is an energy storage device that generates an electric field between electrodes and builds potential that can be channeled through associated circuits. The Electrical Double Layer (EDL) capacitor is a unique ...
  • Exploring the value addition potential of the local rice straw varieties 
    Nanayakkara, MPA; Pabasara, WGA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    Polymers play a critical role in engineering applications today. Cellulose is the most abundant renewable natural biopolymer on earth. It is present in a wide variety of living species including plants and some marine ...
  • Extraction of nanocellulose from Sri Lankan agricultural waste 
    Wickramasinghe, WAWIC; Lasitha, DS; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    Polymers are widely used in domestic and industrial applications because of their diverse functionality, lightweight, low cost and excellent chemical stability. They are mainly classified into naturally occurring or ...
  • Investigation of self discharge mechanism of locally available activated carbon-based super capacitor 
    Gunarathna, RNP; Muhandiram, DI; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]
    Carbon materials in their various forms are the most used electrode materials in the fabrication of supercapacitors. Activated carbon is derived from a variety of organic parent sources such as lignite, peat, coal, ...
  • Investigation of thermal and mechanical properties of micro cellulose based composites 
    Silva, JASR; Maduranga, SMK; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    This research is based on preparation of a composite with Micro Crystalline Cellulose (MCC) and Polypropylene (PP). MCC is hydrophilic and PP is hydrophobic in nature. To avoid less compatibility of these two materials, ...
  • Mathematical modelling of mechanical behavior in randomly oriented micro crystalline cellulose-based polymer composite 
    Arthanayake, SAMASB; Pallewela, RSJ; Amarasinghe, DAS; Samarasekara, AMPB [Conference-Abstract]
    There are many theoretical models to predict the mechanical properties of Continuous long-fiber composites. But there is no proper mathematical model for randomly oriented short fiber composites (ROFC). This research aims ...
  • Microcrystalline cellulose based polymer composite for engineering applications 
    Rajapaksha, LD; Saumyadi, HAD; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    In the last several years, polymer composites have been used heavily in aerospace, automotive and other engineering applications. Polymer matrix composites (PMCs) are comprised of a variety of short or continuous fibers ...
  • Non-destructive evaluation of fruits and vegetables for their maturity and ripening 
    Basnayake, BMLC; Madhawa, KDS; Amarasinghe, DAS [Conference-Abstract]
    The state of maturity of a fruit or vegetable is crucial to its subsequent storage and shelf life. Correctly identifying the state of maturity of fruits or vegetables can reduce the post-harvesting loss in the supply ...
  • Optimization of nano-crystalline cellulose formation from cellulose 
    Weerakkody, KM; Wathsala, KPT; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]
    This research work is based on the process optimization of nanocellulose extraction from chemically purified cellulose. Cellulose was extracted from rice straws of BG 352 which contains the highest cellulose percentage ...
  • Study of the dielectric behavior of graphite oxide upon exposure to chlorine 
    Silva, SM; Kulathilake, PHD; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]
    Graphite Oxide (GO) was synthesized using the Improved Hummer’s Method. After the successful synthesis of GO, it was characterized and its dielectric properties were investigated. The change of dielectric behavior of GO ...