Browsing by Author "Perera, W. P. R. T."

Now showing items 1-12 of 12

Adsorptive removal of Cd (II) from aqueous solutions by sand/graphite oxide nano-composites: characterization, isotherm, and kinetic studies

Perera, W. P. R. T.; Perera, P. L. R. A.; Kumarasingha, A. R.; Liyanage, J. A. (Faculty of Graduate Studies, University of Kelaniya Sri Lanka, 2022)

Core-shell absorbent granules were developed by coating commercial sand gravels with graphite oxide (few-layer oxidized graphene sheets). Graphite oxide (GO) is synthesized chemically from vein graphite, a rare form of ...
Assessment of groundwater contamination with environmental toxicants in CKDu endemic area, Polonnaruwa, Sri Lanka

Perera, W. P. R. T.; Dayananda, M. D. N. R; Botheju, W. S. M.; Liyanage, J. A. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Chronic Kidney Disease unknown etiology (CKDu) is one of the major health impacts predominantly confined to people in North Central Province in Sri Lanka. The root courses for the disease prevalence have not found yet. ...
A comparison of food contamination by heavy metals/metalloids in CKDu prevalent areas and a reference area; A study in Sri Lanka

Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, J. A.; Premaratne, W. A. P. J. (Faculty of Graduate Studies, University of Kelaniya Sri Lanka, 2022)

During the past two decades, so many studies have been involved in exploring the relationship between the prevalence of chronic kidney disease of unknown etiology (CKDu) and exposure to toxic metals. These studies revealed ...
Development of sand/graphene composite and its application for MCPA pesticide adsorption from water

Perera, W. P. R. T.; Ruwanthi, N.M.N; Perera, P. L. R. A.; Kannangara, Amila; Premarathna, W.A.P.J; Liyanage, J. A.; Kumarasinghe, A. R. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

This research endeavours to synthesize a novel adsorbent, sand/graphene oxide composite (MGO/S), achieved through the iterative deposition of graphene oxide layers on river sand employing a thermal annealing process. ...
Distribution of heavy metals across different tissue types in Etroplus suratensis from Mahakanadarawa reservoir: Investigating dietary implications for CKDu in Sri Lanka

Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, U. P.; Premaratne, W. A. P. J.; Liyanage, J. A. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)

The escalating cases of chronic kidney disease of uncertain etiology (CKDu) in rural communities, especially in the Maradankulama-Mahakandrawa region of Sri Lanka, stipulate a critical public health investigation. Given ...
Effect of fertilizer application to the agricultural soil and the determination of soil to plant transfer coefficients of selected elements

Perera, W. P. R. T.; Dayananda, M. D. N. R.; Botheju, W. S. M.; Liyanage, Janitha A. (Institute of Chemistry Ceylon Adamantane House, Rajagiriya, Sri Lanka., 2020)

Transfer of metals from soil to plant depends on the availability of particular elements in soil and the fertilizer which are applied to the agricultural fields. This study aims to determine the effect of fertilizer ...
Health risk analysis of toxic metals via consumption of rice and other food species grown in Mahakanadarawa - Maradankulama areas in Anuradhapura district; A study in Sri Lanka

Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, J. A.; Premaratne, W. A. P. J. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

Chronic Kidney Disease of unknown etiology (CKDu) is a heterogeneous disorder that impairs kidney functions and structure. Even though a number of studies were conducted on this issue, a specific reason has not yet been ...
Investigation of spatial distribution of fluoride in drinking water sources in CKDu prevalence areas in Sri Lanka using GIS

Dayananda, M. D. N. R.; Botheju, W. S. M.; Perera, W. P. R. T.; Liyanage, J. A. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)

Chronic Kidney Disease of unknown etiology (CKDu) has identified as a significant health burden in rural dry zone areas in Sri Lanka. Fluoride is recognized as a nephrotoxic contaminant which deteriorates the renal functions ...
Investigation of toxic metals contamination status in red raw rice (Bg 350) grown in North Central province in Sri Lanka

Kumari, M. K. J. K.; Premaratne, W. A. P. J.; Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, J. A. (Faculty of Graduate Studies, University of Kelaniya Sri Lanka, 2022)

Red raw rice consumption is high due to its nutritional properties. The chemical components of food are correlated with their ability to sustain better human health. Rice is the staple food of Sri Lanka. Although it is a ...
Risk assessment of toxic metal contamination in groundwater and paddy soil; A study in CKDu affected Maradankulama area in Anuradhapura, Sri Lanka

Ranasinghe, R. A. H. B.; Premaratne, W. A. P. J.; Perera, P. L. R. A.; Perera, W. P. R. T.; Liyanage, J. A. (Faculty of Science, University of Kelaniya Sri Lanka, 2022)

Chronic Kidney Disease of Unknown Etiology (CKDu) has emerged as a serious public health concern in Sri Lanka. The North Central Region (NCR) has the highest CKDu prevalence in the country, and the disease is more prevalent ...
Study of aqueous calcium ion adsorption competence by coreshell adsorbent granules engineered from sand/graphene oxide nanocomposite

Premasinghe, Niroshan; Perera, W. P. R. T.; Fernando, W. S. K.; Liyanage, Janitha A.; Kumarasinghe, A. R. (Institute of Chemistry Ceylon Adamantane House, Rajagiriya, Sri Lanka., 2020)

In water treatment, sand unit processes are frequently used to remove turbidity. In order to enhanced the performance of the sand, a surface modification was done using graphite oxide. The core-shell granules were ...

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