Research Scientists
Visiting Scholars
6th Year Graduate Students
5th Year Graduate Students
4th Year Graduate Students
3rd Year Graduate Students
2nd Year Graduate Students
1st Year Graduate Students
Undergraduate Students
Thaisa Baldo – Research Scientist
Email: thaisa.baldo@colostate.edu
Previous Degrees:
B.Sc., Chemistry, São Paulo State University, Brazil
M.Sc., Chemistry, São Paulo State University, Brazil
Ph.D., Analytical Chemistry, Federal University of São Carlos, Brazil
Research Project: My research focuses on developing low-cost immunoassays to detect SARS-CoV-2, related viruses, and other infectious diseases, including bacteria.
Group Publications:
“Wearable Electrochemical Sensor Based on Laser-Induced Graphene on Adhesive Bandage”Souza, L.K.A., Bridges, M., Baldo, T.A., Coltro, W., Henry, C.S. ECS Sensors Plus, 2025, DOI: 10.1149/2754-2726/ae318d
“Micro/millifluidic platforms for bioanalytical applications”Henry, C.S., Ataide, V.A., Cherwin, A., Baldo, T.A., Russo, M.J., Meloni, G.N., Paixão, T.R.L.C. 3D Printing in Analytical Chemistry , 2025, DOI: 10.1016/B978-0-443-15675-5.00017-3
“Magnetophoretic slider assay for electrochemical detection of SARS-cov-2 nucleocapsid protein in nasal swab samples.” Fukana, N., Park, J., Silva Junior, G.J., Malsick, L.E., Gallichotte, E.N., Ebel, G.D., Geiss, B.J., Dandy, D.S., Bertotti, M., Nacapricha, D., Baldo, T.A., Henry, C.S. Biosensors and Bioelectronics , 2024, DOI:10.1016/j.bios.2024.117048
“Automated enzyme-linked immunosorbent assay for point-of-care COVID-19 testing.” Baldo, T.A., Ataide, V.N., Park, J., Panraksa, Y., Martinez, B., Anderson, L.B.R., Malsick, L.E., Gallichotte, E.N., Ebel, G.D., Geiss, B.J., Dandy, D.S., Paixão, T.R.L.C., Henry, C.S. Electrochimica Acta , 2024, DOI:10.1016/j.electacta.2024.144525
“Non-invasive iron deficiency diagnosis: a saliva-based approach using capillary flow microfluidics.” Prakobdi, C., Baldo, T.A., Aryal, P., Link, J.S., Saetear, P., Henry, C.S. Analytical Methods , 2024, DOI:10.1039/D3AY01933K
“Evaluating the performance of an inexpensive, commercially available, NFC-powered and smartphone controlled potentiostat for electrochemical sensing.” Beck, J.J., Alenicheva, V., Rahn, K.L., Russo, M.J., Baldo, T.A., Henry, C.S. Electroanalysis , 2023, DOI:10.1002/elan.202200552
Prapaporn “Pop” Sangkaew – Visiting Scholar
Email: prapaporn.sangkaew@colostate.edu
Previous Degrees: B.Sc., Chemistry, King Mongkut’s University of Technology Thonburi, Thailand
M.Sc., Chemistry, King Mongkut’s University of Technology Thonburi, Thailand
Research Project: My research focuses on the development of a microfluidic electrochemical device for the detection of a particular pesticide.
Paulo Estrela – Visiting Scholar
Email: paulo.estrela@colostate.edu
Previous Degrees: B.Sc., Chemistry, Universidade Federal de Goiás, Brazil
M.Sc., Chemistry, Universidade Federal de Goiás, Brazil
Research Project: My research focuses on developing simple and disposable microfluidic devices to perform Polymerase Chain Reactions (PCR) for molecular diagnostics in resource-limited settings.
Eli Barstis – 6th Year Graduate Student
Email: ebarstis@colostate.edu
Undergraduate Degree: B.A. in Chemistry and Art, Hamilton College
Research Project: The goal of my research is to create an inexpensive, user-friendly microfluidic device for diagnostic use.
Group Publications:
“Capillary flow-driven immunoassay platform for COVID-19 antigen diagnostics.” Link, J.S., Carrell, C.S., Jang, I., Barstis, E.J.O, Call, Z.D., Bellows, R.A., O’Donnell-Sloan, J.J., Terry, J.S., Anderson, L.B.R., Panraksa, Y., Geiss, B.J., Dandy, D.S., & Henry, C.S. Analytica Chimica Acta, 2023, DOI: 10.1016/j.aca.2023.341634
Prakash “Kash” Aryal – 5th Year Graduate Student
Email: prakash.aryal@colostate.edu
Undergraduate Degree: B.S., Chemistry with Minor in Mathematics, Texas A&M International University
Research Project: My research focuses on creating a rapid and user-friendly sensor designed for detecting water contaminants such as heavy metals, nutrients, pesticides, PFAS, and more, particularly in resource limited settings.
Group Publications:
“Capillary Flow-Driven, Disposable Device for Dissolved Oxygen Sensing in Water Samples”Lewińska, I., Aryal, P., Brack, E., Henry, C.S. Analytical Chemistry, 2025, DOI: 10.1021/acs.analchem.5c03984
“Smartphone-assisted dual-sided capillary microfluidic device for multiplex detection of heavy metals and nutrients in drinking water”Punnoy, P., Aryal, P., Hefner, C.E., Brack, E., Rodthongkum, N., Potiyaraj, P., Henry, C.S. Analytica Chimica Acta, 2025, DOI: 10.1016/j.aca.2025.344031
“Citizen-Based Water Quality Monitoring: Field Testing a User-Friendly Sensor for Phosphate Detection in Global Surface Waters.” Aryal, P., Hefner, C.E., Martinez, B., Brack, E., & Henry, C.S. Analytical Chemistry, 2024, DOI:10.1021/acs.analchem.4c02123
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“Non-invasive iron deficiency diagnosis: a saliva-based approach using capillary flow microfluidics.” Prakobdi, C., Baldo, T.A., Aryal, P., Link, J., Saetear, P., & Henry, C.S. Anal. Methods , 2024, DOI:10.1039/D3AY01933K
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“Capillary Flow-Driven Microfluidics Combined with a Paper Device for Fast User-Friendly Detection of Heavy Metals in Water.” Aryal, P., Brack, E., Alexander, T. & Henry, C.S. Analytical Chemistry, 2023, DOI:/10.1021/acs.analchem.3c00378
“Smartphone-enabled green anthocyanin sensor for Fe(III) sensing on paper using capillary-driven microfluidics.” Aryal, P., Indrianingsih, A.W., & Henry, C.S. Green Analytical Chemistry, 2024, DOI:/10.1016/j.greeac.2023.100091
“Microfluidics in environmental analysis: advancements, challenges, and future prospects for rapid and efficient monitoring.” Aryal, P., Hefner, C., Martinez, B., & Henry, C.S. Lab on a Chip, 2023, DOI:/10.1039/D3LC00871A
Rae Bellows – 4th Year Graduate Student
Email: rae.bellows@colostate.edu
Undergraduate Degrees: B.S., Chemistry, Colorado State University
Research Project: My research focuses on the development of the eCaDI.
Group Publications:
“Magnetic bead-based electrochemical surrogate virus neutralization test for quantification of antibody neutralizing efficiency”Bellows, R.A., Rahn, K.L., Hummel, W.C., Mayton, E.H., Berry, H.W., Ryan, E.P., Geiss, B.J., Dandy, D.S., Henry, C.S. Biosensors and Bioelectronics , 2025, DOI: 10.1016/j.bios.2025.117640
“Towards the development of an alternative analysis method to determine lead in eyeliner cosmetics”McMahon, C.J., Barstis, T.L.O., Bellows, R.A., Henry, C.S. Analytical Methods , 2025, DOI: 10.1039/D5AY00389J
“Capillary flow-driven immunoassay platform for COVID-19 antigen diagnostics.” Link, J.S., Carrell, C.S., Jang, I., Barstis, E.J.O, Call, Z.D., Bellows, R.A., O’Donnell-Sloan, J.J., Terry, J.S., Anderson, L.B.R., Panraksa, Y., Geiss, B.J., Dandy, D.S., & Henry, C.S. Analytica Chimica Acta, 2023, DOI: 10.1016/j.aca.2023.341634
Joowon Park – 4th Year Graduate Student
Email: joowon.park@colostate.edu
Previous Degrees: B.S., Chemical and Biomolecular Engineering, Yonsei Univeristy, Republic of Korea
M.S., Chemical and Biomolecular Engineering, Yonsei University, Republic of Korea
Research Project: My research focuses on the development of analytical devices for point-of-care molecular diagnostics.
Group Publications:
“Magnetophoretic slider assay for electrochemical detection of SARS-cov-2 nucleocapsid protein in nasal swab samples.” Fukana, N., Park, J., Silva Junior, G.J., Malsick, L.E., Gallichotte, E.N., Ebel, G.D., Geiss, B.J., Dandy, D.S., Bertotti, M., Nacapricha, D., Baldo, T.A., & Henry, C.S. Biosensors and Bioelectronics, 2024, DOI: 10.1016/j.bios.2024.117048
“Automated enzyme-linked immunosorbent assay for point-of-care COVID-19 testing.” Baldo, T.A., Ataide, V.N., Park, J., Panraksa, Y., Martinez, B., Anderson, L.B.R., Malsick, L.E., Gallichotte, E.N., Ebel, G.D., Geiss, B.J., Dandy, D.S., Paixão, T.R.L.C., & Henry, C.S. Electrochimica Acta, 2024, DOI: 10.1016/j.electacta.2024.144525
Claire Hefner – 4th Year Graduate Student
Email: claire.hefner@colostate.edu
Undergraduate Degree: B.A., The College of Wooster
Research Project: My work focuses on developing fast-flow paper-based microfluidic devices for environmental monitoring.
Group Publications:
“Smartphone-assisted dual-sided capillary microfluidic device for multiplex detection of heavy metals and nutrients in drinking water”Punnoy, P., Aryal, P., Hefner, C.E., Brack, E., Rodthongkum, N., Potiyaraj, P., Henry, C.S. Analytica Chimica Acta, 2025, DOI: 10.1016/j.aca.2025.344031
“Capillary-flow driven microfluidic sensor based on tyrosinase for fast user-friendly assessment of pesticide exposures.” Hefner, C.E., Aryal, P., Brack, E., Alexander, T., & Henry, C.S. Analyst, 2024, DOI:10.1039/D4AN01203H
“Citizen-Based Water Quality Monitoring: Field Testing a User-Friendly Sensor for Phosphate Detection in Global Surface Waters.” Aryal, P., Hefner, C.E., Martinez, B., Brack, E., & Henry, C.S. Analytical Chemistry, 2024, DOI:10.1021/acs.analchem.4c02123
“Microfluidics in environmental analysis: advancements, challenges, and future prospects for rapid and efficient monitoring.” Aryal, P., Hefner, C., Martinez, B., & Henry, C.S. Lab on a Chip, 2023, DOI:10.1039/D3LC00871A
Emie Marin – 4th Year Graduate Student
Email: emie.marin@colostate.edu
Undergraduate Degree: B.S, Chemistry, Florida International University
Research Project: My research project will focus on optimizing thermoplastic electrodes for immunoassay applications.
Group Publications:
“Characterizing Mixed Polyethylene Glycol Monolayers with Surface-Bound Ferrocene for Label-Free Immunosensing”Marin, E., Martinez, B., Whitaker, T., Gallichotte, E.N., Ebel, G.D., Leroux, Y.R., Hapiot, P., Henry, C.S. Analytical Chemistry, 2025, DOI: 10.1021/acs.analchem.5c03527
“Simplifying the Incorporation of Laser-Induced Graphene into Microfluidic Devices”Bridges, M., Marin, E., Banik, A., Henry, C.S. ACS Applied Materials & Interfaces , 2025, DOI: 10.1021/acsami.5c04078
Tessa Whitaker – 4th Year Graduate Student
Email: tessa.a.whitaker@colostate.edu
Undergraduate Degree: B.S., Biochemistry and Chinese Studies, Furman University
Research Project: My research focuses on the synthesis of peptide nucleic acids as a diagnostic probe for esophageal cancer.
Group Publications:
“Characterizing Mixed Polyethylene Glycol Monolayers with Surface-Bound Ferrocene for Label-Free Immunosensing”Marin, E., Martinez, B., Whitaker, T., Gallichotte, E.N., Ebel, G.D., Leroux, Y.R., Hapiot, P., Henry, C.S. Analytical Chemistry, 2025, DOI: 10.1021/acs.analchem.5c03527
Max Bridges – 3rd Year Graduate Student
Email: maxwell.bridges@colostate.edu
Undergraduate Degree: B.A., Chemistry, Ithaca College
Research Project: My work currently involves the investigation of laser-induced graphene (LIG) electrodes and their applications.
Group Publications:
“Recent advances in electrochemical capillary flow microfluidic devices”Bridges, M.D., Henry, C.S. Current Opinion in Electrochemistry, 2026, DOI: 10.1016/j.coelec.2025.101801
“Wearable Electrochemical Sensor Based on Laser-Induced Graphene on Adhesive Bandage”Souza, L.K.A., Bridges, M., Baldo, T.A., Coltro, W., Henry, C.S. ECS Sensors Plus, 2025, DOI: 10.1149/2754-2726/ae318d
“Simplifying the Incorporation of Laser-Induced Graphene into Microfluidic Devices”Bridges, M., Marin, E., Banik, A., Henry, C.S. ACS Applied Materials & Interfaces , 2025, DOI: 10.1021/acsami.5c04078
Yuecheng “Brian” Wang – 3rd Year Graduate Student
Email: brian.wang@colostate.edu
Undergraduate Degree: B.S., Biological Engineering, Purdue University
Research Project: My research focuses on developing rapid, point-of-care detection devices for von Willebrand factor (VWF) diseases.
Nikki Villarini – 2nd Year Graduate Student
Email: nikki.villarini@colostate.edu
Undergraduate Degree: B.S., Chemistry, University of Vermont
Research Project: My research focuses on the development of low-cost and user friendly microfluidic electrochemical devices for biomarker detection.
Guy Jozef Scangarello – 2nd Year Graduate Student
Email: guy.scangarello@colostate.edu
Undergraduate Degree: B.S., Chemistry, University of Arizona
Research Project: My research focuses on the characterization and expansion of LIG functionality for biosensing applications.
Vu Pham – 1st Year Graduate Student
Email: vu.pham@colostate.edu
Undergraduate Degree: B.S. Chemistry, Dickinson College
Research Project: My research focuses on developing microfluidic devices for agricultural monitoring.
Tilly Dillon – 1st Year Graduate Student
Email: tilly.dillon@colostate.edu
Undergraduate Degree: B.S., Chemistry, University of Utah
Research Project: My research project will focus on developing a microfluidic electrochemical device for multiplex biomarker detection in Multiple Sclerosis.
Audrey Jergensen – 1st Year Graduate Student
Email: audrey.jergensen@colostate.edu
Undergraduate Degree: B.S. Chemistry Professional (ACS certified) at Southwestern Oklahoma State University
Research Project: My research focuses on the application of microfluidic organotypic devices to electrochemically detect and quantify changes to gut microbiome metabolites in an ex vivo system.
Wyatt Hummel – Undergraduate Student
Major: Chemistry
Research Project: I am assisting on a project involving quantitative electrochemical detection of disease markers.
Group Publications:
“Magnetic bead-based electrochemical surrogate virus neutralization test for quantification of antibody neutralizing efficiency”Bellows, R.A., Rahn, K.L., Hummel, W.C., Mayton, E.H., Berry, H.W., Ryan, E.P., Geiss, B.J., Dandy, D.S., Henry, C.S. Biosensors and Bioelectronics , 2025, DOI: 10.1016/j.bios.2025.117640
Bethany Unruh – Undergraduate Student
Major: Chemistry (forensic focus)
Research Project: I am working with the group on the Capillary Driven Immunoassay for the detection of SARS-CoV-2 nucleocapsid proteins.
