Sameera R. Gunatilake

1.6k total citations · 1 hit paper
27 papers, 1.3k citations indexed

About

Sameera R. Gunatilake is a scholar working on Water Science and Technology, Pollution and Analytical Chemistry. According to data from OpenAlex, Sameera R. Gunatilake has authored 27 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Water Science and Technology, 12 papers in Pollution and 6 papers in Analytical Chemistry. Recurrent topics in Sameera R. Gunatilake's work include Adsorption and biosorption for pollutant removal (13 papers), Pharmaceutical and Antibiotic Environmental Impacts (9 papers) and Analytical chemistry methods development (5 papers). Sameera R. Gunatilake is often cited by papers focused on Adsorption and biosorption for pollutant removal (13 papers), Pharmaceutical and Antibiotic Environmental Impacts (9 papers) and Analytical chemistry methods development (5 papers). Sameera R. Gunatilake collaborates with scholars based in United States, Sri Lanka and India. Sameera R. Gunatilake's co-authors include Todd Mlsna, Dinesh Mohan, Meththika Vithanage, Chathuri Peiris, Chanaka Navarathna, Akila G. Karunanayake, Felio Pérez, Charles U. Pittman, Yohan Jayawardhana and Renel Anderson and has published in prestigious journals such as Bioresource Technology, Chemosphere and Journal of Environmental Management.

In The Last Decade

Sameera R. Gunatilake

24 papers receiving 1.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Biochar based removal of antibiotic sulfonamides and tetracyclines in aquatic environments: A critical review

2017 493 citations Chathuri Peiris, Sameera R. Gunatilake et al. Bioresource Technology profile →

Peers

Sameera R. Gunatilake

WST

POLLU

Hua Huang China

Yonghong Liu China

Chanaka Navarathna United States

Seyed Mohsen Mohseni Iran

Zhi-li Yan China

Joan Manuel Rodríguez-Díaz Ecuador

Yongyou Hu China

Lalhmunsiama South Korea

Zirui Luo China

Hua Huang China

Sameera R. Gunatilake

683 ×0.9

WST

267 ×0.6

POLLU

235 ×0.9

303 ×1.3

172 ×0.8

Citations per year, relative to Sameera R. Gunatilake Sameera R. Gunatilake (= 1×) peers Hua Huang

Countries citing papers authored by Sameera R. Gunatilake

Since Specialization

Citations

This map shows the geographic impact of Sameera R. Gunatilake's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sameera R. Gunatilake with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sameera R. Gunatilake more than expected).

Fields of papers citing papers by Sameera R. Gunatilake

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sameera R. Gunatilake. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sameera R. Gunatilake. The network helps show where Sameera R. Gunatilake may publish in the future.

Co-authorship network of co-authors of Sameera R. Gunatilake

This figure shows the co-authorship network connecting the top 25 collaborators of Sameera R. Gunatilake. A scholar is included among the top collaborators of Sameera R. Gunatilake based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sameera R. Gunatilake. Sameera R. Gunatilake is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Siriwardana, Kumudu, et al.. (2025). Expanding the Horizons of UV–vis Spectroscopy Education: Beyond the Beer–Lambert Law. Journal of Chemical Education. 102(6). 2389–2397. 3 indexed citations

Fernando, Terrence, Dulitha N. Fernando, Sameera R. Gunatilake, Chanaka Navarathna, & Xuefeng Zhang. (2025). Biochar-based contaminant removal: A tutorial on analytical quality assurance and best practices in batch sorption. Journal of Chromatography Open. 7. 100219–100219. 1 indexed citations

Gunatilake, Sameera R., et al.. (2025). Modelling an amorphous biochar structure using classical molecular dynamics simulations. Pure and Applied Chemistry. 97(12). 1831–1840.

Gandra, Upendar Reddy, Anish Mathai Varghese, Sameera R. Gunatilake, et al.. (2025). UiO-67-tethered Copper(II) complex: A highly efficient and reusable heterogeneous catalyst for CuAAC reactions in aqueous media. Microporous and Mesoporous Materials. 400. 113890–113890.

Peiris, Chathuri, Sameera R. Gunatilake, Jilei Zhang, et al.. (2025). Comparative Study of Biocarbon-Supported Iron Nanoparticle Composites (nZVI@BC) Synthesized by Carbothermal Versus Borohydride Reductions for Heavy Metal Removal. ACS Sustainable Resource Management. 2(8). 1540–1550.

Peiris, Chathuri, Sameera R. Gunatilake, Xuefeng Zhang, et al.. (2024). Carbothermally synthesized, lignin biochar-based, embedded and surface deposited nano zero-valent iron composites: Comparative material characterization, selective gas adsorption and nitroaromatics remediation. 2. 100048–100048. 4 indexed citations

Navarathna, Chanaka, Sean L. Stokes, Xuefeng Zhang, et al.. (2022). Batch and fixed bed sorption of low to moderate concentrations of aqueous per- and poly-fluoroalkyl substances (PFAS) on Douglas fir biochar and its Fe3O4 hybrids. Chemosphere. 308(Pt 2). 136155–136155. 49 indexed citations

Samaraweera, Hasara, Chathuri Peiris, Sameera R. Gunatilake, et al.. (2022). In Situ Synthesis of Zero-Valent Iron-Decorated Lignite Carbon for Aqueous Heavy Metal Remediation. Processes. 10(8). 1659–1659. 11 indexed citations

Peiris, Chathuri, et al.. (2022). Study the presence of tetramethylthiuram disulfide residue in three selected microgreen species. South Florida Journal of Development. 3(6). 6612–6618. 1 indexed citations

10.

Peiris, Chathuri, et al.. (2021). Effect of acid modified tea-waste biochar on crop productivity of red onion (Allium cepa L.). Chemosphere. 288(Pt 2). 132551–132551. 20 indexed citations

11.

Peiris, Chathuri, et al.. (2020). Biochar based sorptive remediation of steroidal estrogen contaminated aqueous systems: A critical review. Environmental Research. 191. 110183–110183. 45 indexed citations

12.

Peiris, Chathuri, et al.. (2019). Microwave and open vessel digestion methods for biochar. Chemosphere. 239. 124788–124788. 21 indexed citations

13.

Jayawardhana, Yohan, Sameera R. Gunatilake, Kushani Mahatantila, Maneesha P. Ginige, & Meththika Vithanage. (2019). Sorptive removal of toluene and m-xylene by municipal solid waste biochar: Simultaneous municipal solid waste management and remediation of volatile organic compounds. Journal of Environmental Management. 238. 323–330. 63 indexed citations

14.

Navarathna, Chanaka, Akila G. Karunanayake, Sameera R. Gunatilake, et al.. (2019). Removal of Arsenic(III) from water using magnetite precipitated onto Douglas fir biochar. Journal of Environmental Management. 250. 109429–109429. 175 indexed citations

15.

Peiris, Chathuri, Chanaka Navarathna, Yohan Jayawardhana, et al.. (2019). The influence of three acid modifications on the physicochemical characteristics of tea-waste biochar pyrolyzed at different temperatures: a comparative study. RSC Advances. 9(31). 17612–17622. 110 indexed citations

16.

Peiris, Chathuri, Sameera R. Gunatilake, Todd Mlsna, Dinesh Mohan, & Meththika Vithanage. (2017). Biochar based removal of antibiotic sulfonamides and tetracyclines in aquatic environments: A critical review. Bioresource Technology. 246. 150–159. 493 indexed citations breakdown →

17.

Gunatilake, Sameera R., et al.. (2015). Analysis of trace dicyandiamide in stream water using solid phase extraction and liquid chromatography UV spectrometry. Journal of Environmental Sciences. 35. 38–42. 24 indexed citations

18.

Karunanayake, Akila G., Sameera R. Gunatilake, Fathima S. Ameer, et al.. (2015). Undergraduate Laboratory Experiment Modules for Probing Gold Nanoparticle Interfacial Phenomena. Journal of Chemical Education. 92(11). 1924–1927. 17 indexed citations

19.

Gunatilake, Sameera R., et al.. (2014). Determination of five estrogens in wastewater using a comprehensive two-dimensional gas chromatograph. Analytical Methods. 6(15). 5652–5658. 23 indexed citations

20.

Gunatilake, Sameera R., Jeong‐Wook Kwon, Kang Xia, et al.. (2013). Analysis of Estrogens in Wastewater Using Solid-Phase Extraction, QuEChERS Cleanup, and Liquid Chromatography/Tandem Mass Spectrometry. Journal of AOAC International. 96(6). 1440–1447. 12 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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