Shehan Jayasekera

Efficient and methodical Research Engineer (PhD) offering10 years of experience in MATLAB programming and expertise in control system design (PID), data acquisition (NI DAQmx), signal processing, and graphical user interface (GUI) design. Other experiences include simulation (CFD,FEA), design and experimentation (PIV), and human subject research. Published peer-reviewed journal papers and presented posters at conferences. Interest areas include programming, robotics, problem solving with computers, automation, optimization, research, design, and experimentation.

Numerous peer-reviewed articles published in reputable journals in fields related tobacco regulatory science. See Google Scholar link for full list: https://scholar.google.com/citations?user=ZpM1tFAAAAAJ

• E. C. Hensel, S. Jayasekera, and R. J. Robinson. Accounting for effects of system dynamics to
  improve accuracy of emissions reported in e-cig vaping machines. Inhalation Toxicology, pages
  1–11, oct 2018. doi: 10.1080/08958378.2018.1526232.
• Edward C. Hensel, Nathan C. Eddingsaas, A. Gary DiFrancesco, Shehan Jayasekera, Sean O’Dea,
  and Risa J. Robinson. Framework to estimate total particulate mass and nicotine delivered to
  e-cig users from natural environment monitoring data. Scientific Reports, 9(1), jun 2019a. doi:
  10.1038/s41598-019-44983-w.
• Edward C. Hensel, Samantha Emma Sarles, Abdulaziz al Olayan, A. Gary DiFrancesco, Shehan
  Jayasekera, Nathan C. Eddingsaas, and Risa J. Robinson. A proposed waterpipe emissions
  topography protocol reflecting natural environment user behaviour. International Journal of
  Environmental Research and Public Health, 17(1):92, dec 2019b. doi: 10.3390/ijerph17010092.
• Edward C. Hensel, Nathan C. Eddingsaas, Qutaiba M. Saleh, Shehan Jayasekera, S. Emma Sarles,
  Mahagani Thomas, Bryan T. Myers, Gary DiFrancesco, and Risa J. Robinson. Nominal operating
  envelope of pod and pen style electronic cigarettes. Frontiers in Public Health, 9:1201, 2021. ISSN
  2296-2565. doi: 10.3389/fpubh.2021.705099. URL https://www.frontiersin.org/article/
  10.3389/fpubh.2021.705099.
• Shehan Jayasekera, Edward Hensel, and Risa Robinson. Feasibility assessment of wearable
  respiratory monitors for ambulatory inhalation topography. International Journal of Environmental
  Research and Public Health, 18(6), 2021a. ISSN 1660-4601. doi: 10.3390/ijerph18062990. URL
  https://www.mdpi.com/1660-4601/18/6/2990.
• Shehan Jayasekera, Edward Hensel, and Risa Robinson. Feasibility of using the hexoskin smart gar-
  ment for natural environment observation of respiration topography. International Journal of Envi-
  ronmental Research and Public Health, 18(13), 2021b. ISSN 1660-4601. doi: 10.3390/ijerph18137012.
  URL https://www.mdpi.com/1660-4601/18/13/7012.
• Risa J. Robinson, Nathan C. Eddingsaas, A. Gary DiFrancesco, Shehan Jayasekera, and Edward C.
  Hensel. A framework to investigate the impact of topography and product characteristics
  on electronic cigarette emissions. PLOS ONE, 13(11):e0206341, nov 2018. doi: 10.1371/jour-
  nal.pone.0206341.
• Risa J Robinson, Shehan Jayasekera, Gary DiFrancesco, and Edward C Hensel. Characterization
  and Validation of the Second-generation wPUM Topography Monitors. Nicotine & Tobacco
  Research, 23(2):390–396, 08 2020a. ISSN 1469-994X. doi: 10.1093/ntr/ntaa153.
• Risa J. Robinson, S. Emma Sarles, Shehan Jayasekera, Aziz al Olayan, A. Gary Difrancesco,
  Nathan C. Eddingsaas, and Edward C. Hensel. A comparison between cigarette topogra-
  phy from a one-week natural environment study to FTC/ISO, health canada, and massachusetts
  department of public health puff profile standards. International Journal of Environmental Research
  and Public Health, 17(10):3444, may 2020b. doi: 10.3390/ijerph17103444.
• Bora Sul, Zachary Oppito, Shehan Jayasekera, Brian Vanger, Amy Zeller, Michael Morris, Kai
  Ruppert, Talissa Altes, Vineet Rakesh, Steven Day, Risa Robinson, Jaques Reifman, and Anders
  Wallqvist. Assessing airflow sensitivity to healthy and diseased lung conditions in a compu-
  tational fluid dynamics model validated in vitro. Journal of Biomechanical Engineering, 140(5):
  051009, mar 2018. doi: 10.1115/1.4038896.
• Conference Posters and Presentations
  Shehan Jayasekera. Feasibility assessment of simultaneous puff and chest belt monitoring to better
  understand tobacco product inhalation patterns. In Biomedical Engineering Society, 2018.
• Shehan Jayasekera. System for measuring inhalation volume from chest motion. In Society For
  Research On Nicotine and Tobacco, 2021a.
• Shehan Jayasekera. Simultaneous puff and respiration topography for smokers and hookah in the
  natural environment. In Tobacco Regulatory Science Meeting, 2021b.