Gediminas “Gedi” Mainelis, Ph.D.

Professor Rutgers University, School of Environmental and Biological SciencesEOHSI – Environmental and Population Health Bio-Sciences
Work Department of Environmental Sciences 14 College Farm Road New Brunswick NJ 08901 Work Phone: 848-932-5712 Website: Gediminas Mainelis’s Page
Photo of Gediminas “Gedi” Mainelis Ph.D.

Biographical Info

Research Areas

  • Development of aerosol/bioaerosol sampling, control, and generation methods
  • Investigation of aerosol and bioaerosol monitors’ performance
  • Integration of bioaerosol sampling tools with advanced microbiological analysis techniques Aerosol exposure assessment
    Indoor air quality
  • Exposure and health effects of nanoparticles

Research Highlights

  • Investigated the potential release of particles from nanotechnology-based consumer products and showed that their use could result in inhalation exposures to nanoparticles and their agglomerates
  • Developed a novel electrostatics-based collector for biological aerosols where airborne particles could be captured into very small amounts of liquid (5-40 microliters) thus allowing to measure low concentrations of airborne microorganisms.
  • Investigated indoor exposures of young children to airborne contaminants using a novel robotic sampling platform. The research shows that the current exposure assessment methods using stationary samplers may underestimate exposures by a factor of 3.

Scholarly Activities

  • Co-Chair of the “Health-Related Aerosol Working Group” of the American Association for Aerosol Research for 2010-2011.
  • Member, Aerosol Technology Committee, American Industrial Hygiene Association.
  • Member, Stakeholders’ Panel on Agent Detection Assays (SPADA), organized by AOAC International, contracted by the Department of Homeland Security’s Chemical/Biological Research and Development Section (CBRDS)
  • Reviewer for scholarly journals

Recent Publications

  1. He, R, Zhang, J, Mainelis, G. Resuspension of particles deposited by nano-enabled consumer sprays: The role of product type, flooring material, and resuspension force. Indoor Air. 2022;32 (11):e13157. doi: 10.1111/ina.13157. PubMed PMID:36437654 PubMed Central PMC9827835
  2. Dillon, KP, Krumins, V, Deshpande, A, Kerkhof, LJ, Mainelis, G, Fennell, DE. Characterization and DNA Stable-Isotope Probing of Methanotrophic Bioaerosols. Microbiol Spectr. 2022;10 (6):e0342122. doi: 10.1128/spectrum.03421-22. PubMed PMID:36409096 PubMed Central PMC9769660
  3. Manibusan, S, Mainelis, G. Passive Bioaerosol Samplers: A Complementary Tool for Bioaerosol Research. A Review. J Aerosol Sci. 2022;163 :. doi: 10.1016/j.jaerosci.2022.105992. PubMed PMID:36386279 PubMed Central PMC9648171
  4. Goldman, E, Choueiri, TK, Mainelis, G, Ramachandran, G, Schaffner, DW. Triethylene Glycol Can Be Predeployed as a Safe Virus-Killing Indoor Air Treatment. J Infect Dis. 2022;226 (11):2040-2041. doi: 10.1093/infdis/jiac394. PubMed PMID:36177834
  5. Myers, NT, Laumbach, RJ, Black, KG, Ohman-Strickland, P, Alimokhtari, S, Legard, A, De Resende, A, Calderón, L, Lu, FT, Mainelis, G et al.. Portable air cleaners and residential exposure to SARS-CoV-2 aerosols: A real-world study. Indoor Air. 2022;32 (4):e13029. doi: 10.1111/ina.13029. PubMed PMID:35481935 PubMed Central PMC9111720
  6. Laumbach, RJ, Mainelis, G, Black, KG, Myers, NT, Ohman-Strickland, P, Alimokhtari, S, Hastings, S, Legard, A, de Resende, A, Calderón, L et al.. Presence of SARS-CoV-2 Aerosol in Residences of Adults with COVID-19. Ann Am Thorac Soc. 2022;19 (2):338-341. doi: 10.1513/AnnalsATS.202107-847RL. PubMed PMID:34762562 PubMed Central PMC8867362
  7. Myers, NT, Han, TT, Li, ML, Brewer, G, Harper, M, Mainelis, G. Impact of sampling and storage stress on the recovery of airborne SARS-CoV-2 virus surrogate captured by filtration. J Occup Environ Hyg. 2021;18 (9):461-475. doi: 10.1080/15459624.2021.1948047. PubMed PMID:34197274 PubMed Central PMC9563239
  8. Tsoulou, I, Senick, J, Mainelis, G, Kim, S. Residential indoor air quality interventions through a social-ecological systems lens: A systematic review. Indoor Air. 2021;31 (4):958-976. doi: 10.1111/ina.12835. PubMed PMID:33858030
  9. Secondo, LE, Sagona, JA, Calderón, L, Wang, Z, Plotnik, D, Senick, J, Sorensen-Allacci, M, Wener, R, Andrews, CJ, Mainelis, G et al.. Estimating Lung Deposition of Fungal Spores Using Actual Airborne Spore Concentrations and Physiological Data. Environ Sci Technol. 2021;55 (3):1852-1863. doi: 10.1021/acs.est.0c05540. PubMed PMID:33476134
  10. Oh, HJ, Han, TT, Mainelis, G. Potential consumer exposure to respirable particles and TiO2 due to the use of eyebrow powders. J Expo Sci Environ Epidemiol. 2021;31 (6):1032-1046. doi: 10.1038/s41370-020-00278-1. PubMed PMID:33208837 PubMed Central PMC8128939
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Categories: Faculty, Environmental and Population Health Biosciences, Epi Members, Member

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