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Invited Review: L. Hamm, A. Gee, A. S De Silva Indrasekara, Recent Advancement in the Surface enhanced Raman Spectroscopy -based Biosensors for Infectious Disease Diagnosis, Appl. Sci., 2019, 9(7), 1448 DOI

Prior to UNC Charlotte

US Patent: L Fabris, SADS Indrasekara, Gold Nanostar Substrates for SERS Sensing in the Femtomolar Regime, US Patent 20,170,045,456, 2017 (Us Patent number: 20170045456)

A. S. De Silva Indrasekara, Stephen J. Norton, Nicholas K. Geitner, Mark R. Wiesner, and Tuan Vo-Dinh, Tailoring the Core–Satellite Nanoassembly Architectures by Tuning Internanoparticle Electrostatic Interactions, Langmuir,201834 (48), 14617–14623 DOI

langmuir toc

A. S. De Silva Indrasekara, S. Johnson, R. Odion, T. Vo-Dinh, Manipulation of the Geometry and Modulation of the Optical Response of Surfactant-free Gold Nanostars: A Systematic Bottom-up Synthesis, ACS Omega, 2018, 3 (2), 2202–2210 DOI

Nanostar tuning _TOC

H. Ngo, E. Freedman, R. Odion, P. Strobbia, A. S. De Silva Indrasekara, S.Taylor, T. Vo-Dinh, Direct Detection of Unamplified Pathogen RNA in Blood Lysate using an Integrated Lab-in-a-Stick Device and Ultrabright SERS Nanorattles, Scientific Reports, 2018, 8, 4075 doi:10.1038/s41598-018-21615-3 DOI

Malaria TOC

B. S. Hoener, H. Zhang, T. S. Heiderscheit, S. Kirchner, A. S. De Silva Indrasekara, R. Baiyasi, Y. Cai, P. Nordlander, S. Link, C. F. Landes, W. Chang, Spectral Response of Plasmonic Gold Nanoparticles to Capacitive Charging: Morphology Effects, J. Phys. Chem. Lett., 2017, 8 (12), 2681–2688 DOI

A. S. De Silva Indrasekara, B. Shuang, F. Hollenhorst, B. S. Hoener, A. Hoggard, S. Chen, E. Villarreal, Y. Cai, L. Kisley, P.J. Derry, E. R. Zubarev, E Ringe, W. Chang, S. Link, C. F. Landes, Optimization of Spectral and Spatial Conditions to Improve Super-Resolution Imaging of Plasmonic Nanoparticles, J Phys. Chem. Lett, 2017, 8 (1), 299–306 DOI

B. S. Hoener, C. P. Byers, T. S. Heiderscheit, A. S. De Silva Indrasekara, A. Hoggard, W. Chang, S. Link, C. F. Landes, Spectroelectrochemistry of Halide Anion Adsorption and Dissolution of Single Gold Nanorods, J Phys. Chem. C, 2016, 120 (37), 20604–20612 DOI

S. Dominguez-Medina, L. Kisley, L. J. Tauzin, A. Hoggard, B. Shuang, A. S. De Silva Indrasekara, L. Wang, P. Derry, E. Zubarev, C. F. Landes, S. Link, Adsorption and Unfolding of a Single Protein Triggers Nanoparticle Aggregation, ACS Nano, 2016, 10 (2), 2103–2112 DOI

E. A. Perets, A. S. De Silva Indrasekara, A. Kurmis, N. Atlasevich, L. Fabris, J. Arslanoglu, Carboxy-terminated Immuno-SERS Tags Overcome Non-specific Aggregation for the Robust Detection and Localization of Organic Media in Artworks, Analyst, 2015, 140, 5971-5980 DOI

Image Courtesy: Metropolitan Museum of Arts, NYC

A. S. De Silva Indrasekara, R. Thomas, L. Fabris “Plasmonic Properties of Regiospecific Core–satellite Assemblies of Gold Nanostars and Nanospheres”, Phys. Chem. Chem. Phys, 2015, 17, 21133-21142 DOI


Invited Review: A. S. De Silva Indrasekara, L. Fabris “The Evolution of SERS Tags Toward Genetic Profiling”,Bioanalysis, 2015, 7:2, 263 DOI

A. S. De Silva Indrasekara, S. Meyer, S. Shubeita, L. C. Feldman, T. Gustafsson, L. Fabris “Gold Nanostar Substrates for SERS-based Chemical Sensing in the Femtomolar Regime”, Nanoscale, 2014, 6, 8891 DOI

SERS substarte _ paper TOC

A. S. De Silva Indrasekara, R. C. Wadams, L. Fabris “Ligand Exchange on Gold Nanorods. Going Back to the Future”, Part. Part. Syst. Char, 2014, 31, 819 DOI

A. S. De Silva Indrasekara, B. Paladini, D. Naczynski, P. Moghe, L. Fabris “Dimeric Gold Nanoparticle Assemblies as Tags for SERS-based Cancer Detection”, Adv. Healthcare Mater. 2013, 2, 1370 DOI

SERS probe_TOC

S. Indrasekara, N. Kottegoda “Synthesis and Characterisation of Exfoliated Layered Double Hydroxide (LDH) / Sugar Nanocomposites”, J.Natn. Sci.Foundation Sri Lanka, 2011, 39, 113-119 DOI