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Current Group Members

Group Photo 2299 Edit-1.2R_2025.06.03.jpg

Front: Riley Smith, Robyn Edwards, Evelyn Gibson, Ty Kaji

Middle: Alex Huffman, Autumn Ehlers, Zoe Lynch, Alex Vokova

Back: Maxwell Freeman, Tatiana Peccedi, Samantha de la Fuente, Mia Hebinck, Sadie Morley

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June 3, 2025 (Photo credit: Kiena Campbell, @kienaphotography

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J. Alex Huffman, PI

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Ph.D. in Analytical Chemistry, Univ. Colorado at Boulder, 2008

  • Adviser: Jose Jimenez; aerosol mass spectrometry & organic aerosol volatility

B.S. in Chemistry, Pepperdine Univ., 1999

   

​Citation metrics:

Selected synergistic activities & Service roles:

   

Personal Interests: Family, travel, outdoor sports (esp. running, cycling, skiing, camping, fishing), DU Pioneer & Univ. Arizona sports

 

Hometown: Tucson, AZ 

alex.huffman (at) du.edu

Research homepage, LinkedIn Profile, Twitter/X Profile

Graduate Students (PhD, MS)

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Maxwell Freeman  

B.S. in Physics and Chemistry, Stanford University, 2018

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Research: Raman and fluorescence spectra of aerosols & associated instrument development

ORCID0000-0001-8328-6873

Publication(s):

[62] Swanson et al., Aerosol Sci. & Tech., 2022

Personal Interests: tennis, fishing, and video games

Hometown: San Diego, CA

Career Goals: career focused on analysis of diverse and specialized data sets in private or government agencies. 

Group Member: Dec. 2019 - present (Ph.D. student)

maxwell.freeman (at) du.edu

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Aleksandra (Alex) Volkova  

B.S. in Environmental Chemistry, Univ. California, San Diego, 2015

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M.S. in Chemistry, California State University, Northridge, 2019

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Research: nitration chemistry of pollen proteins; Also atmospheric cloud condensation nuclei detection

ORCID0000-0002-0506-8712

Personal Interests: dogs and other animals, nature, history, travel, and video games

Hometown: Los Angeles, CA

Career Goals: atmospheric chemistry research 

Group Member: Jul. 2019 - present (Ph.D. student)

alex.volkova (at) du.edu

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Samantha de la Fuente  

B.S. in Chemistry, Cal Poly Tech Univ. - San Luis Obispo, 2024

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Research: 

ORCID

Publication(s):

Personal Interests: 

Hometown: 

Career Goals:  

Group Member: Jun. 2025 - present (Ph.D. student)

samantha.delafuente (at) du.edu

Undergraduate Students (BSCh, BS, BA)

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Robyn Edwards 

Univ. Denver, Class of 2026

Chemistry + Comp. Sci major

Hometown: Champlin, Minnesota

Career Goals: pharmacy or research
Project: Aerosol instrumentation

Group Member: Mar. 2024 - Present

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Autumn Ehlers

Univ. Denver, Class of 2028

Psychology major

Hometown:  Colorado Springs, CO

Career Goals:  
Project: lab assistant

Group Member: Oct. 2024 - present

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Evelyn Gibson

Univ. Denver, Class of 2026

Chemistry and Art major

Hometown: Colorado

Career Goals: To be involved with research labs in the future and find more connections between art and chemistry 
Project: Pollen fluorescence

Group Member: Feb. 2024 - present

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Mia Hebinck

Univ. Denver

Biochemistry major (B.S. 2024)

Healthcare Management (M.S. 2025)

DU Gymnastics Team

Hometown: Lone Tree, CO

Career Goals: medical doctor
Project: Aerosol instrumentation

Group Member: Jun. 2025 - present

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Sadie Morley

Univ. Denver, Class of 2027

Environmental Science major

Hometown: Ohio

Career Goals
Project: currently exploring

Group Member: May. 2025 - present

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Ty Kaji 

Univ. Denver, Class of 2026

Biochemistry and Math majors

Hometown: Boulder, CO

Career Goals: Attend Graduate school in a related environmental or sustainable chemistry program.

Group Member: Jan. 2024 - present

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Tatiana Peccedi 

Univ. Denver, Class of 2026

Environmental Science major

Hometown: Telluride, CO

Career Goals: Graduate school to further explore opportunities in environmental research and education

Project: Air quality sensors

Group Member: Apr. 2025 - present

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Zoe Lynch 

Univ. Denver, Class of 2026

Environmental Science major

DU Swimming Team

Hometown

Career Goals
Project: Air quality sensors

Group Member: Feb. 2024 - Present

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Riley Smith

Univ. Denver, Class of 2026

Environmental Chemistry and Environmental Science majors

Hometown: Brunswick, Maine

Career Goals: To continue research in the environmental sciences and possibly become a professor

Project: Protein nitration in urban air

Group Member: Apr. 2024 - present

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