PUBLICATIONS
2026
23. Yair Segev, Eitan Y Levine, Yair Bar-Yoseph, Ori Amsallem, Yuval Dagan, Elad Laor, Shai Rahamim, Alon Luski, Eran Daniel, Eshani Hettiarachchi, Amyad Spector, Efficient dispersal of submicron solid particles for stratospheric aerosol injection. - 2026 / Stardust, UC San Diego [arXived PREPRINT]
https://doi.org/10.48550/arXiv.2605.27414
https://stardustsrt.com/science/efficient-dispersal-of-submicron-solid-particles
22. Hettiarachchi, E.; Grassian, V.H., Cation-Assisted Surfactant Templating of DNA at the Air–Water Interface: New Insights into Nucleic Acid Surface Activity – Journal of Physical Chemistry Letters. - 2026 / UC San Diego
https://pubs.acs.org/doi/full/10.1021/acs.jpclett.6c00220
2025
21. Roy, T.K.; Rubio, P.; Cruze, J.; Wauer, N.A.; Hettiarachchi, E.; Amaro, R.E.; Grassian, V.H., Revealing the impact of pH on lipase structure and surface propensity at the air-water interface and in aqueous aerosols – ACS The journal of physical chemistry. - 2025 / UC San Diego
https://doi.org/10.1021/acs.jpclett.5c03315
20. Hettiarachchi, E.; Grassian, V.H., pH-dependent surface interactions and structural changes for DNA adsorbed on TiO2 particle surfaces have implications for environmental DNA – Cell Reports Physical Science. - 2025 / UC San Diego
https://www.cell.com/cell-reports-physical-science/fulltext/S2666-3864(25)00315-7
2024
19. Hettiarachchi, E.; Grassian, V.H. Impact of Surface Adsorption on DNA Structure and Stability: Implications for Environmental DNA Interactions with Iron Oxide Surface. - 2024 / UC San Diego
https://pubs.acs.org/doi/10.1021/acs.langmuir.4c02501
18. Hettiarachchi, E.; Grassian, V.H. Heterogeneous Reactions of Phenol on Different Components of Mineral Dust Aerosol: Formation of Oxidized Organic and Nitro-Phenolic Compounds. - 2024 / UC San Diego
https://pubs.acs.org/doi/full/10.1021/acsestair.3c00042
2023
17. Hettiarachchi, E.; Grassian, V.H. Heterogeneous Chemistry of Methyl Ethyl Ketone on Mineral Oxide Surfaces: Impacts of Relative Humidity and Nitrogen Dioxide on Product Formation. – 2023 / UC San Diego
https://pubs.rsc.org/en/content/articlehtml/2023/ea/d3ea00023k
16. Kieft, T.L.; Del Curto, C.D.; Havlena, Z.; Hettiarachchi, E.; Lakis, I.; Nourse, E.; Skaar, C.; Ulbrich, J.; Veni, G. Potential for Mitigation of Cave Lampenflora Using Benzalkonium Chloride or UV-C, Geoheritage. – 2023 / NMT
https://doi.org/10.1007/s12371-023-00839-4
2022
15. Sit, I.; Quirk, E.; Hettiarachchi, E.; Grassian, V.H. Differential Surface Interactions and Surface Templating of Nucleotides (dGMP, dCMP, dAMP, and dTMP) on Oxide Particle Surfaces. – 2022. / UC San Diego
https://pubs.acs.org/doi/10.1021/acs.langmuir.2c01604
14. Hettiarachchi, E.; Grassian, V.H. Heterogeneous Formation of Organonitrates (ON) and Nitroxy-Organosulfates (NOS) from Alpha-Pinene Derived Organosulfates (OS) on Mineral Surfaces. – 2022. / UC San Diego
https://pubs.acs.org/doi/10.1021/acsearthspacechem.2c00259
13. Hettiarachchi, E.; Grassian, V.H. Heterogeneous Reactions of α-Pinene on Mineral Surfaces: Formation of Organonitrates and α-Pinene Oxidation Products, Published as part of The Journal of Physical Chemistry virtual special issue “Advances in Atmospheric Chemical and Physical Processes” – 2022. / UC San Diego
https://pubs.acs.org/doi/full/10.1021/acs.jpca.2c02663
12. Rose, A.; Hettiarachchi, E.; Grassian, V.H. Monoethanolamine adsorption on oxide surfaces, J. of Colloid and Interface Science – 2022. / UC San Diego
https://doi.org/10.1016/j.jcis.2022.01.059
11. Hettiarachchi, E.; Das, M.; Cadol, D.; Frey, B. Rubasinghege, G. Fate of Inhaled Uranium-containing Particles upon Clearance to Gastro-Intestinal Tract – RSC Environmental Science: Process and Impacts. 2022. / NMT
https://doi.org/10.1039/D2EM00209D
2021
10. Hettiarachchi, E.; Ivanov., S.; Kieft., T.L.; Reynolds, R. L.; Goldstein, H. L.; Moskowitz, B.; Rubasinghege, G. Atmospheric Processing of Iron-Bearing Mineral Dust Aerosol and Its Effect on Growth of a Marine Diatom, Cyclotella meneghiniana. Environ. Sci. Technol. 2021. / NMT
https://doi/abs/10.1021/acs.est.0c06995
2020
9. Thapa, S.; Meng, L.; Hettiarachchi, E.; Bader, Y. K.; Dickie, D. A.; Rubasinghege, G.; Ivanov, S. A.; Vreeland, E. C.; Qin, Y. Charge-Separated and Lewis Paired Metal-Organic Framework for Anion Exchange and CO2 Chemical Fixation. Chem. - A Eur. J. 2020. / NMT
https://doi.org/10.1002/chem.202002823
8. Hettiarachchi, E.; Rubasinghege, G. Mechanistic Study on Iron Solubility in Atmospheric Mineral Dust Aerosol: Roles of Titanium, Dissolved Oxygen, and Solar Flux in Solutions Containing Different Acid Anions. ACS Earth Sp. Chem. 2020. / NMT
https://doi.org/10.1021/acsearthspacechem.9b00280
2019
7. Hettiarachchi, E.; Reynolds, R. L.; Goldstein, H. L.; Moskowitz, B.; Rubasinghege, G. Bioavailable iron production in airborne mineral dust: Controls by chemical composition and solar flux Atmos. Environ. 2019, 205, 90-102. / NMT
http://doi.org/10.1016/j.atmosenv.2019.02.037
2018
6. Hettiarachchi, E.; Paul, S.; Cadol, D.; Frey, B.; Rubasinghege, G. Mineralogy Controlled Dissolution of Uranium from Airborne Dust in Simulated Lung Fluids (SLFs) and Possible Health Implications. Environ. Sci. Technol. Lett. 2018. / NMT
https://doi.org/10.1021/acs.estlett.8b00557
5. Thapa, S.; Hettiarachchi, E.; Dickie, D. A.; Rubasinghege, G.; Qin, Y.; Li, R. A Charge-Separated Diamondoid Metal-Organic Framework. Chemcomm. Communication. 2018, 54, 12654. / NMT
https://doi.org/10.1039/c8cc07098a
4. Hettiarachchi, E.; Reynolds, R. L.; Goldstein, H. L.; Moskowitz, B.; Rubasinghege, G. Iron Dissolution and Speciation in Atmospheric Mineral Dust: Metal-Metal Synergistic and Antagonistic Effects. Atmos. Environ. 2018, 187, 417–423. / NMT
http://doi.org/10.1016/j.atmosenv.2018.06.010
3. Hettiarachchi, E.; Hurab, O.; Rubasinghege, G. Atmospheric Processing and Iron Mobilization of Ilmenite: Iron- Containing Ternary Oxide in Mineral Dust Aerosol. J. phy. Chem. A 2018, 122 (5), 1291–1302. / NMT http://doi.org/10.1021/acs.jpca.7b11320
2017
2. Hettiarachchi, E.; Kottegoda, N.; Chandani Perera, A. Activated Coconut Coir for Removal of Water Hardness. Desalin. Water Treat. 2017, 66, 103–110. / University of Peradeniya
http://doi.org/10.5004/dwt.2016.0339
2016
1. Hettiarachchi, E.; Perera, R.; Chandani Perera, A. D. L.; Kottegoda, N. Activated Coconut Coir for Removal of Sodium and Magnesium Ions from Saline Water. Desalin. Water Treat. 2016. / University of Peradeniya
http://doi.org/10.1080/19443994.2015.1129649
Peer-Reviewed
Science Magazine Articles
Hettiarachchi, E.; Mineralogy Controlled Leaching of Inhaled Uranium and Health Implications, Geology and Health Division Newsletter, Geological Society of America, 2020 (Spring)
Hettiarachchi, E.; Perera, A.D.L.C.; No More Hard Water: Thanks to Activated Coconut Coir. Hanthana Vision Research Magazine, University of Peradeniya. 2017 (May)
Click Here for the Digital Magazine
All Hanthana Vision Digital Magazines
Hettiarachchi, E.; Biosensors and Applications. ALEMBIC Magazine, University of Peradeniya. 2015
Conference Presentations
18. ACS Spring Meeting - San Diego, California, 2025 - Impact of Surface Adsorption on DNA Structure and Stability: Implications for Environmental DNA Interactions with Oxide Surfaces at the Mineral-Water Interface - Oral Presentation
17. GSA Annual Meeting - Anaheim, California, 2024 - Impact of Surface Adsorption on DNA Structure and Stability: Implications for Environmental DNA (eDNA) Interactions with Mineral Surfaces - Oral Presentation
16. ACS Spring Meeting - San Francisco, California, 2023 - Surface Catalyzed Reactions of Volatile Organic Compounds on Mineral Dust - Oral Presentation
15. ACS Spring Meeting - San Diego, California, 2022 - Formation of Organonitrates and Oxidation Products from Alpha-Pinene - Oral Presentation
14. GSA Annual Meeting - Portland, Oregan, 2021 - Fate of Inhaled Uranium Cleared to the Gastrointestinal Tract - Oral Presentation
13. GSA Annual Meeting - Connects Online 2020 on Uranium Inhalation and Health Implications - Oral Presentation followed by a panel discussion in Medical Geology
12. GSA Annual Meeting in Phoenix, Arizona, USA-2019 on Mineralogy Controlled Chemical Toxicity of Inhaled Uranium - Invited Speech
11. ACS Fall Meeting - 2019 on
(a) Impact of Ti containing nanoparticles on ocean Fe fertilization: Laboratory investigation of the growth of marine diatom, Cyclotella meneghiniana, Oral Presentation &
(b) Mineralogy dependent atmospheric processing of mineral dust aerosols and their impact on the growth of marine diatoms, Oral Presentation & Sci-Mix Poster Presentation
10. CINT Triennial User Meeting - 2019 on Synthesis of Nanoilmenite ~ Poster Presentation
9. Student Research Symposium - NMT - 2019 on Metal Organic Frameworks to mitigate the Greenhouse Gas Emissions
~Oral Presentation & 3-minutes Speech
8. ACS Fall Meeting - 2018 on Airborne Uranium Dissolution in Simulated Lung Fluids ~ Poster Presentation
7. GSA - Rocky Mountain Regional Meeting - 2018 on Toxicity of Inhaled Uranium ~ Poster Presentation
6. NM - Academy Science Award Symposium - 2018 on Toxicity of Inhaled Uranium ~ Oral Presentation
5. UNM College of Pharmacy, METALS super-fund Group meeting - 2018 on Toxicity of inhaled mine dust and their dependency on dust mineralogy, Invited Speech
4. Student Research Symposium - 2018 on
(a) Toxicity of Inhaled Uranium ~ Oral Presentation & 3 minutes speech,
(b) Mineralogy & Natural Ocean Fe Fertilization ~ Poster Presentation
3. INBRE - 2018 on Toxicity of Inhaled Uranium ~ Poster Presentation
2. AGU Fall Meeting - 2017 on Effect of Mineralogy on Dissolution and Speciation of Iron Containing Mineral Oxides in Atmospheric Aerosol Dust ~ Oral Presentation
1. Student Research Symposium - NMT - 2017 on Effect of Mineralogy on Dissolution and Speciation of Iron Containing Mineral Oxides in Atmospheric Aerosol Dust ~ Poster Presentation