Skip Ribbon Commands
Skip to main content
Su-Jung (Candace) Tsai, Sc.D., CIH

Assistant Professor,
Occupational and Environmental Health
Industrial Hygiene

Office: 153 Environmental Health (EH)
Office Phone: 970-491-1340


Dr. Tsai's Google Scholar


Dr. Tsai’s research interests address diverse aspects of environmental health and safety and industrial hygiene in general, with a special focus on nanotechnology. She is pursuing important research in the areas of exposure assessment, occupational hygiene practices, sampling techniques, engineering controls, and biological effects associated with various airborne particle exposure. Her research involves innovative interdisciplinary collaborations.  At this time, her primary research activities include: 1) occupational exposure assessment for airborne particles; 2) particle sampling techniques for mining workplace and advanced materials; 3) personal protective equipment and engineering control techniques for worker protection and pollution prevention including protective clothing, filtration, and local exhaust ventilation; 4) the use of computational fluid dynamic (CFD) models for aerosol exposure and flow simulation; 5) the biological response and nanomaterial distribution associated with nanomaterial intake using in vivo and in vitro models; and other topics related to exposure and safety considerations.


Sc.D: Cleaner Production and Occupational Hygiene, The University of Massachusetts, Lowell, MA: 2008

M.S.: Management Science (MBA Program), The University of Massachusetts, Lowell, MA: 2002

M.S.: Chemical Engineering (Biomaterial Program), Yuan Ze University, Taoyuan City, Taiwan: 1995

B.S.: Chemical Engineering, Tunghai University, Taichung City, Taiwan: 1993

Selected Publications

Ellenbecker, M., Tsai, CSJ, Jacobs, M., Riedeker, M., Peters, T., Liou, S., Avila, A., Foss-Hanson, S. The
difficulties in establishing an occupational exposure limit for carbon nanotubes, J Nanoparticle Res.,
0:131, 2018.
Pastrana, H., Avila, A., Tsai, CSJ*, Nanomaterials in cosmetics products: the challenges with regard to
current legal frameworks and consumer exposure, NanoEthics, August 12(2), 2018.
Tsai, CSJ*, Theisen, D., A sampler designed for nanoparticles and respirable particles with direct analysis
feature, Journal of Nanoparticle Research, 20:209, 2018.
Tsai, CSJ*, Castano, A., Khattak, J., Ellenbecker, M., Nanoparticle Sampling Technique: Particle
Deposition Mechanism and Performance, International Journal of Occupational and Environmental Hygiene,
Oct., 2018.
Lo, L., Tsai, CSJ, Heitbrink, W., Dunn, K., Topmiller, J., Ellenbecker, M., Particle emissions from
laboratory activities involved carbon nanotubes, Journal of Nanoparticle Research, 19 (8):293, 2017.
Tsai, S., Shin, N., Castano, A., Khattak, J., Wilkerson, A., Lamport, N., 2016, A pilot study on particle emission from printer paper shredders, Aerosol Science and Technology, 2016, p 1-12, DOI: 10.1080/02786826.2016.1250865.
Tsai, S., Dysart, A., Beltz, J., Pol, V., Identification and Mitigation of Generated Solid By-Products during Advanced Electrode Materials Processing, Environmental Science and Technology, 2016, 50(5):2627 – 2634, DOI: 10.1021/acs.est.5b03610.
Shinde, A., Tsai, S., Toxicity mechanism in fetal lung fibroblast cells for multi-walled carbon nanotubes defined by chemical impurities and dispersibility, Toxicology Research, 2016, 5: 248-258, DOI: 10.1039/C5TX00211G.
Lo, Liming, Tsai, S., Dunn, K., Hammond, D., Marlow, D., Topmiller, J., Ellenbecker, M., Performance of Particulate Containment at Nanotechnology Workplaces, Journal of Nanoparticle Research, 2015, 17:435, DOI: 10.1007/s11051-015-3238-4.
Liou, S.H., Tsai, S., Pelclova, D., Schubauer-Berigan, M., Schulte, P., Assessing the First Wave of Epidemiological Studies of Nanomaterial Workers, Journal of Nanoparticle Research, 2015, 17:413, DOI: 10.1007/s11051-015-3219-7.
Tsai, S., Hofmann, M., Kong, J., Hallock, M., Ada, E., Ellenbecker, M., Assessment of exhaust emissions from carbon nanotube production and particle collection by sampling filters, Journal of the Air & Waste Management, 2015, 65(11) 1376-85, DOI:10.1080/10962247.2015.1095812.
Tsai, S., Characterization of Airborne Nanoparticle Loss in Sampling Tubing, Dec. Journal of Occupational & Environmental Hygiene, 2015, 12(8):D161-167, DOI: 10.1080/15459624.2015.1019077. 
Tsai, S., Contamination and Release of Nanomaterials Associated with the Use of Personal Protective Clothing, Annals of Occupational Hygiene, 2015, 59(4): 491-503, DOI: 10.1093/annhyg/meu111.
Gordon, S., Butala, J., Carter, J., Elder, A., Gordon, T., Gray, G., Sayre, P., Schulte, P., Tsai, S., West, J., “Workshop Report: Strategies for Setting Occupational Exposure Limits for Engineered Nanomaterials”, Regulatory Toxicology and Pharmacology, 2014, 68:305-311.
Dunn, K., Tsai, S., Woskie, S., Bennett, J., Garcia, A., Ellenbecker, M., “Evaluation of Leakage from Fume Hoods Using Tracer Gas, Tracer Nanoparticles and Nanopowder Handling Test Methodologies”, Journal of Occupational and Environmental Hygiene, 2014, 11: 10, p D164-D173.
Tsai, S., “Potential inhalation exposure and containment efficiency when using hoods for handling nanoparticles”, Journal of Nanoparticle Research, 15:1880, 2013, DOI:10.1007/s11051-013-1880-2.
Tsai, S., Echevarría-Vega, M., Sotiriou, G., Santeufemio, C., Schmidt, D., Demokritou, P., Ellenbecker, M., “Evaluation of Environmental Filtration Control to Engineered Nanoparticles using the Harvard Versatile Engineered Nanomaterial Generation System (VENGES)”, Journal of Nanoparticle Research, 14:812, 2012, DOI: 10.1007/s11051-012-0812-x.
Tsai, S., White, D., Rodriguez, H., Munoz, C., Huang, C.C., Huang, C.Y., Tsai, C., Barry, C., Ellenbecker, M., “Exposure Assessment and Engineering Control Approach to Airborne Nanoparticle: Emission from of Nanocomposite Compounding”, Journal of Nanoparticle Research, 14 (7):989, 2012, DOI: 10.1007/s11051-012-0989-z.
Tsai, CJ., Huang, CY., Chen, SC., Ho, CE., Huang, CH., Chen, CW., Chang, CP., Tsai, S., Ellenbecker, M., “Exposure Assessment of Nano-sized and Respirable Particles at Different Workplaces, Journal of Nanoparticle Research, 13 (9): 4161-4172, 2011, DOI:10.1007/s11051-011-0361-8.
Tsai, S., Huang, R.F., Ellenbecker, M., “Airborne Nanoparticle Exposures while Using Conventional, Constant Velocity and Air-Curtain Isolated Hoods,” Annals of Occupational Hygiene, 54 (1): 78-87, 2010.
Ellenbecker, M., Tsai, S., “Engineered Nanoparticles: Safer Substitutes for Toxic Materials, or a New Hazard?” Journal of Cleaner Production, 19 (5): 483-487, 2010, DOI: 10.1016/j.clepro.2010.11.004.
Tsai, S., Ada, E., Isaacs, J., Ellenbecker, M., “Airborne Nanoparticle Exposures Associated with the Manual Handling of Nanoalumina and Nanosilver in Fume Hoods,” Journal of Nanoparticle Research, 11 (1): 147-161, 2009.
Tsai, S., Hofmann, M., Kong, J., Hallock, M., Ada, E., Ellenbecker, M., “Characterization and Evaluation of Nanoparticle Release during the Synthesis of Single-walled and Multi-walled Carbon Nanotubes by Chemical Vapor Deposition,” Environmental Science and Technology, 43 (15): 6017–6023, 2009.
Tsai, S., Ashter, A., Ada, E., Mead, J., Barry, C., Ellenbecker, M., “Airborne Nanoparticle Release Associated with the Compounding of Nanocomposites using Nanoalumina as Fillers,” Journal of Aerosol and Air Quality Research, 8 (2): 160-177, 2008.

Published Textbooks

Tsai, S., and others, Editor, Encyclopedia of Nanotechnology, 2nd Edition, Springer, in production of publication, Jan. 2016.

Ellenbecker, M.J., and Tsai, S., Health and Safety Considerations for Working with Engineered Nanoparticles, Wiley Interscience, published on March 2015.

Published Government Reports and Other Publications

Dunn, K., Lo, L.M., Tsai, CSJ, Ellenbecker, M. 2015. Containment Assessment of Nanomaterial Handling Enclosures at Academic Research Laboratories using Carbon Nanotubes and Graphene, Division of Applied Research and Technology Engineering and Physical Hazard Branch EPHB Report No. 364-12a, National Institute for Occupational Safety and Health (NIOSH). 

Lo, L.M., Dunn, K., Tsai, CSJ, Ellenbecker, M. 2014. Assessment of Engineering Controls for Reducing Contaminant Emissions from Producing Carbon Nanotubes, Division of Applied Research and Technology Engineering and Physical Hazard Branch EPHB Report No. 356-20a, National Institute for Occupational Safety and Health (NIOSH).
Lo, L.M., Heitbrink, W., Dunn, K., Tsai, CSJ, Ellenbecker, M. 2013. Assessment of Nanoparticle Emissions from a Chemical Laboratory using Carbon Nanotubes, Division of Applied Research and Technology Engineering and Physical Hazard Branch EPHB Report No. 356-18a, National Institute for Occupational Safety and Health (NIOSH).
Ellenbecker, M.J., and Tsai, CSJ, 2012. General Safe Practices for Working with Engineered Nanomaterials in Research Laboratories, DHHS (NIOSH) Publication Number 2012-147,
Lo, L.M., Dunn, K., Hammond, D., Marlow, D., Topmiller, J., Tsai, CSJ, Ellenbecker, M., Huang, C. 2012. Evaluation of Engineering Controls in a Manufacturing Facility Producing Carbon Nanotube-Based Products, Division of Applied Research and Technology Engineering and Physical Hazard Branch EPHB Report No. 356-13a, National Institute for Occupational Safety and Health (NIOSH).
make a gift
Contact Us:
​1681 Campus Delivery
Fort Collins, Colorado 80523-1681

(970) 491-7038

​(970) 491-2940