
Samudrika AththanayakeUniversity of Prince Edward Island | UPEI
Samudrika Aththanayake
Doctor of Engineering
About
31
Publications
1,621
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33
Citations
Introduction
Additional affiliations
June 2014 - September 2018
April 2021 - present
Publications
Publications (31)
Purpose
This study presents a green approach for synthesizing silver and zinc-based nanoparticles (NPs)/nanocomposites (NCs) utilizing aqueous extracts of palmyra palm (Borassus flabellifer) sprouts and mature fruit pulp.
Methods
The formation of nanomaterial (NM) was confirmed with several characterization techniques. Plant extracts and plant-der...
Biomolecules-organized NMs play a significant role in the medical field due to their ability to allow for the control and slow release of various drugs, indicating effective utilization and sustainability. Hence, in biomedical applications, the ability of nanostructures to perform multiple functions is a significant advantage. As a result, self-ass...
Confining exposure to waterborne pathogens and water-related disease outbreaks protects public health. This study pursued fabrication of cellulose nanocrystals (CNCs) incorporated with biogenic metal/metal oxide nanocomposite (NC) nanofiltration media to prepare pathogen-removing filters. Pineapple (Murusi) waste was utilized to synthesize CNCs and...
Ayurvedic and traditional oil plays a major role in internal and external treatment for numerous diseases as well as wellness in Ayurveda. Ayurvedic studies have gifted thousands of oil recipes with dynamic applications. Seethodaka, Neelyadi, and Visarpahara are some of the commonly available traditional oils which show wondering effects in treatin...
Researchers are investigating the potential of nanomaterials (NMs) as antibacterial agents in response to the rise of multidrug-resistant microorganisms. The current study focused on the green synthesis of silver nanoparticles (AgNPs), zinc oxide nanoparticles (ZnO NPs), and silver zinc oxide nanocomposite (Ag-ZnO NCs) by utilizing agro-waste, spec...
The process of green nanoparticle (NP) synthesis is a biologically feasible process due to the presence of a diverse array of bioactive compounds. The aim of this research was to synthesize silver nanoparticles (Ag NPs) utilizing palmyra fruit pulp and sprout extracts under solar irradiation and compare their antioxidant properties. Ag NPs were syn...
The World Health Organization has recognized the emergence of antibiotic resistance as a significant global public issue. The application of plant waste-mediated nanomaterials (NMs) indicates distinctive antibacterial properties, while simultaneously converting the waste into valuable products. The current study focused on the synthesis of silver n...
This study investigated the antimicrobial properties of Ag-ZnO nanocomposites (NCs) synthesized from agro-waste derived from the Suprema F1 pumpkin variety, including peels, seeds, and leaves. The current study aimed to evaluate the antibacterial activity of pumpkin agro-waste-mediated Ag-ZnO NCs, targeting drug-resistant pathogens.
o Waterborne diseases pose a significant global health risk
o Green nanotechnology adds sustainable value to agricultural waste by transforming it into a valuable resource
o Application of cellulose nanocrystals (CNCs) in wastewater treatment, as filters and membranes, is considered eco-friendly and utilizers renewable materials
To biosynthesis o...
Pathogenic bacterial resistance to antibiotics has become a significant barrier to the accurate
identification and treatment of infectious diseases. To address this challenge, there is a high
demand for new chemical substances acting as antibiotics or potential antibacterial targets.
Biogenic metal nanoparticles (NPs)/ nanocomposites (NCs) show pro...
A biogenic approach, particularly plant-mediated synthesis, is currently regarded as the sustainable approach for
synthesizing nanomaterials (NMs). The present investigation concentrates on the green fabrication of Ag/Ag2O
nanoparticles (NPs), ZnO NPs, and Ag/Ag2O/ZnO nanocomposites (NCs) via microwave irradiation using Murusi
peel (MP) and Kew pee...
Ayurvedic and traditional oils play a major role in internal and external treatment for numerous diseases as well as wellness in Ayurveda. Ayurveda studies have gifted thousands of oil recipes with dynamic applications. Seethodaka, Neelyadi, and Visarpahara are some of the commonly available traditional oils which show wondering effects in treating...
This study focused on utilizing agro-wastes of Suprima F1 variety, pumpkin leaf(PL), pumpkin peel(PP), and pumpkin seeds(PS) and synthesizing ZnO NPs to examine the antioxidant potential.
Agro-waste from Pumpkin: A Source of Antioxidants?
Determination of the antioxidant properties contined in pumpkin seeds, peels, and leaves agro waste.
Introduction
Palmyra (Borassus flabellifer L.) is an Arecaceae plant that grows in drier regions
of the world. The palmyra tree grows widely in northern Sri Lanka, and the fruits
mature in August and fall off from the tree between September and October
Palmyra is a medicinally important plant, containing biological and
pharmacological value [1]. Pa...
MICROWAVE-ASSISTED BIOSYNTHESIS OF
PALMYRA PULP-MEDIATED PHYTONANO ZnO
PARTICLES AND THEIR ANTIOXIDANT POTENTIAL
Green synthesized nanomaterials as antioxidant and anti-inflammatory
substances
The usage of nanocomposites has grown significantly in recent years, due to their exceptionally tiny size and high surface area, which contribute to their mechanical and physiochemical properties with respect to bulk materials of equal chemical composition. Nanomaterials are often synthesized by a combination of physical, chemical, and biological m...
Nanoscale materials are primarily synthesized by utilizing several physiochemical methodologies; however, with inevitable negative consequences, such as environmental pollution, high energy consumption, high cost, and potential health problems. Hence, in recent years, several efforts have been made to identify reliable and environmentally friendly...
In the field of green nanotechnology, phytogenic synthesis of metallic nanoparticles using various biomasses has proven to be an eco-friendly, cost-effective, and safe scientific approach with numerous potential applications in diverse fields. The utilization of agro-waste as a source of renewable biomass in the synthesis of nanoparticles is undere...
Vehicle emissions cause serious damage to the environment. Adsorption of the emissions is the usual technique being used for remediation. The present work focuses on developing a composite using 4A Zeolite and Calcium oxide (CaO) for effective adsorption of vehicle emissions. The characteristics of the composite under different temperature and comp...
Vehicles emissions cause serious damage to the environment. Adsorption of the emissions is the usual technique used for remediation. The present work focuses on developing a composite using 4AZeolite and Calcium oxide (CaO) for absorbing vehicle emissions effectively. The properties of the composite under different temperatures and compositions wer...