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Annalisa Onnis-Hayden

431 Snell Engineering Center
360 Huntington Avenue
Boston, MA 02115


  • Ph.D., Environmental Engineering, University of Cagliari, Italy, 2004
  • M.S., Civil and Environmental Engineering, Northeastern University, 2007
  • B.S. and MS, Environmental Engineering, University of Cagliari, Italy, 2000


  • Professional Engineer: Italy

Research & Scholarship Interests

Biological treatment processes; ecotoxicology and toxicity assessment; microbial population dynamics and ecology in engineered biological systems
Affiliated With

Department Research Areas

College Research Initiatives

Honors & Awards

  • 2014 Teaching Excellence Award, Department of Civil and Environmental Engineering, Northeastern University, Boston, MA.
  • 2011 Visiting Professor Appointment, University of Cagliari for the year 2011/2012
  • 2010 Certificate of Merit for Presentation at ACS 240th National Meeting-ENVR
  • 2005 Sardinian Minister of Education Fellow
  • 1999 Erasmus Exchange Program Fellow
  • 1994, 1995, 1996, 1997, 1998 excellence in study fellow from the Italian Commission for the Rights to University Studies (E.R.S.U).

Professional Affiliations

  • New England Water Environment Association
  • Water Environment Federation

Selected Publications

  • Y. Men, P. Han, D.E. Helbling, N. Jehmlich, C. Herbold, R. Gulde, A. Onnis-Hayden, A.Z. Gu, D.R. Johnson, M. Wagner, K. Fenner, Biotransformation of two Pharmaceuticals by the Ammonia-Oxidizing Archaeon Nitrososphaera Gargensis, Environmental Science and Technology, 2016, 50(9), 4682-4692
  • S.M. Rahman, M.J. Eckelman, A. Onnis-Hayden, A. Gu, Life Cycle Assessment of Advanced Nutrient Removal Technologies for Wastewater Treatment, Environmental Science and Technology, 2016, 50, 3020-3030
  • A.E. Schellenger, A. Onnis-Hayden, D.P. Jaisi, P. Larese-Casanova, Oxygen Kinetic Isotope Effects in Selenate During Microbial Reduction, Applied Geochemistry, 63, 2015, 261-271
  • Y. Li, X. Wang, A. Onnis-Hayden, K.T. Wan, A.Z. Gu, Universal Quantifier Derived from AFM Analysis Links Cellular Mechanical Properties and Cell-Surface Integration Forces with Microbial Deposition and Transport Behavior, Environmental Science and Technology, 48(3), 2014, 1769-1778
  • A. Onnis-Hayden, N. Majed, A.Z. Gu, Decoupling the Microbial Populations for Phosphorus and Nitrogen Removal in Integrated Fixed-Film Activated Sludge Enhanced Biological Phosphorus Removal (IFAS-EBPR) System, Water Research, 45, 2011, 3845-3854
  • A. Onnis-Hayden, H. Weng, M. He, S. Hansen, V. Ilyin, et al., Prokaryotic Real-Time Gene Expression Profiling for Toxicity Assessment, Environmental Science and Technology, 43(12), 2009, 4574-4581

Related News

April 19, 2019

The Research, Innovation, and Scholarship Expo ( RISE ), held annually at Northeastern University, is an opportunity for leaders in industry, venture capital, and entrepreneurship to experience the...

April 17, 2019

ChE student James Sinoimeri, E’21, was awarded the Best Poster Award at the 2019 ISPE New England Chapter Spring Conference for his project “Developing Hypoxia Inducing Cryogels for Pre-Clinical Anti-Cancer Drug Screening.”

April 5, 2019

Congratulations to our engineering students who won awards at the RISE:2019 Research, Innovation and Scholarship Expo!

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