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IRSPAS 2019: Recent submissions

Now showing items 161-173 of 173

Effect of benzyl adenine (BA), naphthalene acetic acid (NAA), on leaf propagation of Chirita Royal Queen

Harshani, H. P. T.; Kumara, G. D. K.; Senarathne, M. M. D. J. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Chirita ‘Royal Queen’ is an ornamental plant belongs to the family Gesneriaceae and novel to the floricultural industry. They need to be propagated in large quantities especially for biological conservation and commercial ...
Growth performance of Basella alba (Spinach) exposed to liquid fertilizer prepared using invasive alien species; Clidemia hirta and Chromolaena odorata

Senevirathna, M. A. T. M.; Ratnayake, R. M. C. S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Inorganic fertilizers are popular in supplying plant nutrients, but their excessive use adversely affect human health and ecosystems. The present study was aimed to study the effect of organic liquid fertilizer prepared ...
Impact of combine use of banana pseudostem sap with inorganic fertilizer on root development, nodulation and dry matter accumulation of cowpea (Vigna unguiculata) in sandy regosol

Fernando, W. S. L. V.; Karunarathna, B. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

This study was aimed to evaluate the impact of foliar spray of nutrient enriched organic fertilizer with inorganic fertilizer on root development, nodulation and dry matter distribution of cowpea in sandy regosol at Crop ...
Monomorphic enantiostyly and reproductive biology of Osbeckia octandra and Melastoma malabathricum

Ratnayake, R. M. C. S. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Although stylar polymorphism of angiosperms plays a significant role in pollination, few studies have been conducted on stylar polymorphism in relation to reproductive success in tropical plants. To fill this knowledge ...
Optimizing the conditions for the production of extracellular amylases under solid state fermentation using groundnut shell as the substrate

Kumarage, C. A.,; Weerasooriya, M. K. B. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Amylases are a group of hydrolase enzymes, which hydrolyse starch molecules into simple sugars. Amylase can be extracted from molds, which are capable of producing high amounts of amylase. Aspergillus niger is used more ...
Production of microbial lipase under solid-state fermentation and its application in the detergent industry

Chandrasiri, I. W. C. P.; Weerasooriya, M.K.B. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka. p.6, 2019)

Lipases are the enzymes of choice for laundry detergent industries owing to their triglyceride removing ability from soiled fabrics, which eventually reduces the usage of phosphate-based chemical cleansers in the detergent ...
Duplex polymerase chain reaction (Duplex-PCR) to identify adulterations in chicken and turkey meat products

Chamindi, K. A. W.; Rodrigo, W. W. P.; Jayawardhana, B. J. G. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Adulteration is a process, which decreases the quality of food by the addition of low quality materials and removal of valuable ingredients. Nowadays, meat adulteration is a major concern worldwide, because of the falsely ...
Isolation and characterization of cellulose hydrolyzing bacteria for bioethanol production

Chandrarathne, B. M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Bioethanol is a renewable and cleaner liquid fuel alternative to fossil fuels. Bioethanol has gained growing interest over time, because it can provide an economical and environment friendly sustainable energy source. First ...
Isolation of laccase producing fungi: Aspergillus niger from Sri Lankan textile wastewater effluents and its potential applicability on decolorization of an azo dye: CI Direct Blue 201

Ekanayake, E. M. M. S.; Wijesekara, I.; Manage, P.M. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

The complex aromatic structural nature of synthetic dyes show resistance to natural oxidation processes and persist in the surface water and sediments for a long time. The existing physical and chemical treatment methods ...
Over-expression of the multicopy-associated filamentation (maf) gene of Caldimonas manganoxidans MS1 and determination of the biological effect of MAF proteins on the viability of bacterial cells

Weerakkody, L. R.; Withrana, C. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Multicopy-Associated Filamentation (MAF) proteins represent a large family of conserved proteins. MAF protein is a nucleic acid binding, intra-cellular protein. The exact biochemical activity and functional mechanism of ...
The cross-cultural adaptation of Morisky Green Levine Medication Adherence Scale for use with diagnosed patients of Ischemic Heart Disease in Sri Lanka

Kumara, W. G. C.; De Zoysa, P.; Balasuriya, A.; Fernando, N. F. J. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Ischemic Heart Disease (IHD) has been classified as one of the major cardiovascular diseases in the world and it has become the main cause of death in Sri Lanka. Medication adherence is defined as the level to which the ...
Design and implementation of automated heat shrink cutting process for industrial usage

Rajapaksha, R. M. D. M.; Dhananjaya, S.S.; Wijesuriya, M. W. A. S. H.; Fernando, K. M. S.; Ranaweera, A. L. A. K.; Kalingamudali, S. R. D. (proceedings of the 4th International Research Symposium on Pure and Applied Sciences 2019, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

An automated heat shrink cutting process for industrial usage has been designed and a prototype model implemented. The designed system consists of a microcontroller, a keypad, a stepper motor, and an ac synchronous ...
Novel slow switching technique for efficient solar energy harnessing for off grid photovoltaic systems

Piyumal, P. L. A. K.; Ranaweera, A. L. A. K.; Kalingamudali, S. R. D.; Kularatna, N. (proceedings of the 4th International Research Symposium on Pure and Applied Sciences 2019, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Electricity consumers in remote areas where the grid connection is not available rely on diesel generators or off grid photovoltaic (P V) systems. These PV systems uses battery banks as backup energy storage. Those ...

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