Doug Collins

doug2    doug3 

Email: dbcollin [at]    Office: 858-534-7430

LinkedIn Profile


Academic Interests

Impact of Chemistry on Climate Processes; Aerosol-Cloud Interactions; Atmospheric Analytical Chemistry; Energy and Air Quality Issues; Chemical Analysis Technology; Science Communication

Extracurricular Interests

Skiing, Cycling, Sailing, Rowing, Live Music, Photography, National Parks



University of California, San Diego (La Jolla, CA) June 2009 - Sept. 2014
M.S., 2011; Ph.D., 2014  
Department of Chemistry and Biochemistry  
Concentration: Atmospheric, Analytical Chemistry & Climate  
University of New Hampshire (Durham, NH) August 2008 - May 2009
Department of Chemistry; Climate Change Research Center  
Concentration: Atmospheric and Physical Chemistry  
Colgate University (Hamilton, NY) August 2004 - May 2008
B.A., 2008  
        Major: Chemistry
        Minor: Geology

Scientific Positions

University of California, San Diego October 2014 - Present
Laboratory Manager and Postdoctoral Scholar  
Center for Aerosol Impacts on Climate and the Environment  
University of California, San Diego October 2014 - Present
CHEM 171: Environmental Chemistry  
University of California, San Diego June 2009 - Sept 2014
Graduate Student Researcher  
Advisor: Prof. Kimberly A. Prather  
University of New Hampshire August 2008 - May 2009
Graduate Teaching Assistant, Graduate Student Researcher  
Advisors: Prof. Margaret E. Greenslade & Prof. Barkley C. Sive  
Colgate University June 2007 - May 2008
Undergraduate Researcher  
Advisor: Prof. Keith E. Broekhuizen  
- Controls on the growth of oligomers on mixed organic/inorganic aerosol
- Method development for MALDI-TOF MS analysis of aerosol samples

Prather Group Research Projects

Field Studies
-Scripps Pier 2009 (La Jolla, CA) - understanding the chemical properties of aerosols in a coastal marine environment
-CalWater 2010 & 2011 (Sugar Pine Dam, Tahoe Nat'l Forest) - investigating the interplay of aerosols and precipitation in California
-BBACPAX (Bodega Bay, CA; 2014) - [co-lead with Dr. Andrew Martin] study the interplay of aerosols and landfalling storms in the Coastal Mountain Range
Lab Studies/Field Data Analysis
-Influence of aerosol mixing state on light absorption
-Investigation of aerosol chemical composition and mixing state influence on CCN properties, including impacts on regional precipitation
Center for Aerosol Impacts on Climate and the Environment: Sources and Activity of Natural CCN in the Marine Environment
CAICE Intensive (2011) - a highly collaborative effort to study the physico-chemical properties of marine aerosol in a realistic laboratory setting utilizing a novel ocean-atmosphere chamber
Led several intensive and collaborative laboratory experiments for members within CAICE from various institutions during 2013 and 2014.
Committee Involvement
-Environmenal Chemistry Faculty Search Committee, Student Member (Winter 2013)
-Student Invited Analytical/Physical Seminar Committee (2011-2014)
-Chemistry & Biochemistry Postdoctoral Symposium Organizing Committee (2015)


10. Lee C, Sultana CM, Collins DB, Santander MV, Axson JL, Malfatti F, Cornwell GC, Grandquist JR, Deane GB, Stokes MD, Azam F, Grassian VH, Prather KA. "Advancing Model Systems for Fundamental Laboratory Studies of Sea Spray Aerosol using the Microbial Loop." J. Phys. Chem. A., 2015, accepted.

9. Schill SR, Collins DB, Lee C, Morris HS, Novak GA, Prather KA, Quinn PK, Sultana CM, Tivanski AV, Zimmermann K, Cappa CD, Bertram TH, "The Impact of Aerosol Particle Mixing State on the Hygrosocpicity of Sea Spray Aerosol." ACS Cent. Sci., 2015, 1(3), 132-141.

8. Quinn PK, Collins DB, Grassian VH, Prather KA, Bates TS. "Chemistry and Related Properties of Freshly Emitted Sea Spray Aerosol." Chem. Rev., 2015, 115(10), 4383-4399.

7. Collins DB, Zhao DF, Ruppel MJ, Laskina O, Grandquist JR, Modini RL, Stokes MD, Russell LM, Bertram TH, Grassian VH, Deane GB, Prather KA. "Direct aerosol chemical measurements to evaluate the physicochemical differences between controlled sea spray aerosol generation schemes." Atmos. Meas. Tech., 2014, 7(11), 3667-3683. doi: 10.5194/amt-7-3667-2014

6. Ault AP, Guasco TL, Baltrusaitis J, Ryder OS, Trueblood J, Collins DB, Ruppel MJ, Cuadra-Rodriguez LA, Prather KA, Grassian VH. "Heterogeneous Reactivity of Nitric Acid with Nascent Sea Spray Aerosol: Large Differences between and within Individual Particles." J. Phys. Chem. Lett., 2014, 5(15), 2493-2500. doi: 10.1021/jz5008802.

5. Guasco TL, Cuadra-Rodriguez LA, Pedler BE, Ault AP, Collins DB, Zhao D, Kim MJ, Ruppel MJ, Wilson SC, Pomeroy R, Grassian VH, Azam F, Bertram TH, Prather KA. "Transition metal associations with primary biological particles in sea spray aerosol generated in a wave channel." Environ. Sci. Technol., 2014, 48(2), 1324-1333. doi: 10.1021/es403203d

4. Ault AP, Guasco TL, Ryder OS, Baltrusaitis J, Cuadra-Rodriguez LA, Collins DB, Ruppel MJ, Bertram TH, Prather KA, Grassian VH. "Inside versus Outside: Ion Redistribution in Nitric Acid Reacted Sea Spray Particles as Determined by Single Particle Analysis." J. Am. Chem. Soc., 2013, 135(39), 14528-14531. doi: 10.1021/ja407117x

3. Collins DB, Ault AP, Moffet RC, Ruppel MJ, Cuadra-Rodriguez LA, Guasco TL, Corrigan CE, Pedler BE, Azam F, Aluwihare LI, Bertram TH, Roberts GC, Grassian VH, Prather KA. "Impact of marine biogeochemistry on the mixing state and cloud forming ability of nascent sea spray aerosol" J. Geophys. Res. Atmos., 2013, 118(15), 8553-8565. doi: 10.1002/jgrd.50598.

2. Ault AP, Moffet RC, Baltrusaitis J, Collins DB, Ruppel MJ, Cuadra-Rodriguez LA, Zhao D, Guasco TL, Ebben CJ, Geiger FM, Bertram TH, Prather KA, Grassian VH. "Size-Dependent Changes in Sea Spray Aerosol Composition and Properties with Different Seawater Conditions" Environ. Sci. Technol., 2013, 47(11), 5603-5612. doi: 10.1021/es400416g

1. Prather KA, Bertram TH, Grassian VH, Deane GB, Stokes MD, DeMott PJ, Aluwihare LI, Palenik BP, Azam F, Seinfeld JH, Moffet RC, Molina MJ, Cappa CD, Geiger FM, Roberts GC, Russell LM, Ault AP, Baltrusaitis J, Collins DB, Corrigan CE, Cuadra-Rodriguez LA, Ebben CJ, Forestieri SD, Guasco TL, Hersey SP, Kim MJ, Lambert WF, Modini RL, Mui W, Pedler BE, Ruppel MJ, Ryder OS, Schoepp NG, Sullivan RC, Zhao D. "Bringing the ocean into the laboratory to probe the chemical complexity of sea spray aerosol." Proc. Nat. Acad. Sci. USA, 2013, 110(19), 7550-7555. doi: 10.1073/pnas.1300262110


Awards and Honors

Attendee of Atmospheric Chemistry Conference for Emerging Senior Scientists (ACCESS XIII), 2015
Inamori Fellow, Inamori Foundation and UC San Diego, 2014
Outstanding Student Paper Award, American Geophysical Union Fall Meeting, 2012
ACS Undergraduate Award in Analytical Chemistry, Spring 2007
Sherman Fairchild Interdisciplinary Research Fellowship, Summer 2007
Colgate Student Lecture Forum Academic Paper Contest, Finalist, Spring 2007
Published: "Trace Metal Trends in Payne Creek", Colgate Academic Review, Spring 2007
Colgate University Dean's Award for Academic Excellence

Oral Presentations

Collins, D.B.; "Interactions of Aerosols and Clouds in Earth's Atmosphere: Fundamental Chemistry Meets Geoscience."  Joint Seminar for the Depts. of Geology and Chemistry & Biochemistry, Colgate University (Hamilton, NY), Nov 2013. (invited)
Collins, D.B., Zhao, D., Ruppel, M.J., Deane, G.B., Stokes, M.D., DeMott, P.J., Lee, C., Modini, R.L., Russell, L.M., Prather, K.A.; "Evaluating the Properties of Sea Spray Aerosols Produced in the Laboratory: Comparisons with Controlled Breaking Waves." 19th International Conference on Nucleation and Atmospheric Aerosols (Fort Collins, CO) June 2013. abstract
Collins, D.B., Creamean, J.M., Cahill, J.F., Ault, A.P., Roberts, G.C., Prather, K.A., "Multi-year Observations of Single Particle Aerosol Chemical Composition at a Remote Site in the Sierra Nevada Foothills." 242nd National Meeting of the American Chemical Society (Denver, CO) August 2011. abstract
Collins, D.B., Creamean, J.M., Cahill, J.F., Ault, A.P., Fitzgerald, E.M.M., Suski, K., Cazorla, A., Prather, K.A.; "Ambient Aerosol Observations from Sugar Pine Dam 2009-2011". CalWater Post Field Phase Coordination Workshop. (San Diego, CA) June 2011.

Poster Presentations

Collins, D.B.; Ault, A.P.; Corrigan, C.E.; Ruppel, M.J.; Hersey, S.P.; Mui, W.; Guasco, T.L.; Cuadra-Rodriguez, L.A.; Seinfeld, J.H.; Roberts, G.C.; Grassian, V.H.; Prather, K.A.; Chemical and Biological Influences on the Organic Composition and Cloud Activity of Sea Spray Aerosol. American Geophysical Union 2012 Fall Meeting (San Francisco, CA) December 2012. [Outstanding Student Paper Award]
Collins, D.B.; Corrigan, C.E.; Ruppel, M.J.; Guasco, T.L; Cuadra-Rodgriguez, L.; Zhao, D.; Stokes, M.D.; Deane, G.B.; Roberts, G.C.; Bertram, T.H.; Grassian, V.H.; Prather, K.A; Bringing the Ocean to the Lab: Studies of Marine Aerosols. 29th Informal Symposium on Kinetics and Photochemical Processes in the Atmosphere. (Fullerton, CA) February 2012.
Collins, D.B.; Kingsmill, D.E.; Roberts, G.C.; Creamean, J.M.; Noblitt, S.D.; Prather, K.A.; Observations of Aerosol Conditions Associated with Precipitation Events in the Remote Sierra Nevada Foothills. Vulnerability and Adaptation to Extreme Events in California in the Context of a Changing Climate: New Scientific Findings; A workshop within The Governor's Conference on Extreme Climate Risks and California's Future. (San Diego, CA)  December 2011

Collins, D.B.; Kingsmill, D.E.; Roberts, G.C.; Creamean, J.M.; Noblitt, S.D.; Prather, K.A.; Observations of Aerosol Conditions Associated with Precipitation Events in the Remote Sierra Nevada Foothills. American Geophysical Union Fall Meeting 2011 (San Francisco, CA) December 2011. ePoster


Other Involvement in Presenting Research

Oral and Poster Presenter, Center for Aerosol Impacts on Climate and the Environment, Phase II Proposal Presentation: NSF Centers for Chemical Innovation, March 2013, Arlington, VA.
Oral Presenter, Center for Aerosol Impacts on Climate and the Environment, Cyber Review of Phase I NSF Centers for Chemical Innovation, February 2012, San Diego, CA.

Press and Media Appearances

"An Upside to China's Air Pollution: More Snowfall in the Sierra Nevada" - John Upton, The New York Times, 17 February 2012

"Study Links Local Water Supply to China Pollution" - ABC 10News (KGTV, primetime), 17 February 2012


Teaching Experience

University of California, San Diego
Environmental Chemistry, Physical Chemistry (Quantum Mech.), General Chemistry Lab
University of New Hampshire
Physical Chemistry (Kinetics), General Chemistry Lab


Graduate Coursework

University of California, San Diego

CHEM 239: Special Topics in Atmos. Chem.

CHEM 273: Atmospheric Chemistry

SIO 217a: Atmospheric Thermodynamics

SIO 217c: Atmospheric Radiation & Climate

SIO 209: Temperature Inversions and Air Quality

CHEM 231: Chemical Kinetics and Dynamics


 CHEM 271: Analytical Instrument Development

University of New Hampshire

CHEM 905: Advanced Physical Chemistry

CHEM 918: Molecular Modeling

CHEM 926: Physical Chemistry of Solutions

CHEM 930: Advanced Optical Methods

CHEM 935: Mass Spectrometry

EOS 815: Global Atmospheric Chemistry


ESCI 852: Chemical Oceanography


Professional Memberships

American Chemical Society
         Co-founder, Colgate University Student Affiliates Chapter
American Geophysical Union
American Meteorological Society

Community Outreach

"Sea Days: Breathing in Climate Change", Birch Aquarium (SIO/UC San Diego) - Hands on demos associated with aerosols, clouds, and air quality (5/15/10)
Monthly CAICE Outreach Sessions with Paul Ecke Central Elementary School (Encinitas, CA)

Volunteer Work

Colgate University Alumni Admission Program Committee; Regional Chair, San Diego - interact with local students interested in Colgate, conduct informational interviews, participate in college fairs



(Read the footnote!!)