
Biomedical Colloid & Interface Lab
Principle Investigator: Yoonjee Park, PhD
Principle Investigator
Yoonjee Park, PhD
Department of Chemical & Environmental Engineering
Chemical Engineering Program
University of Cincinnati
Secondary Appointment:
Department of Biomedical Engineering
Department of Ophthalmology
Department of Materials Science & Engineering
584 Mantei Center
2901 Woodside Drive
Cincinnati, OH 45221
(513) 556-1359
Postdoc, MIT, Biological Engineering,
Boston University, Biomedical Engineering..
PhD, Purdue University, Chemical Engineering, 2010.
BS, Seoul National University, Chemical & Biological Engineering, 2006.

Postdoctoral Researcher
Dr. Srividya Gorantla
Birla Institute of Technology and Science-Pilani (BITS PILANI) 2023
Doctor of Philosophy, Pharmaceutics
Thesis (Advisor: Dr. Gautam Singhvi and Prof.R. N. Saha's): “Design and Evaluation of Novel Lipid-based Nanocarrier Systems of Tofacitinib for Better Treatment of Rheumatoid Arthritis”

Graduate Students
Denzel Ryan Cruz (MD/PhD Program)
Thesis Topic: SMAD siRNA delivery implant systems
BS University of Illinois at Urbana Champaign, Bioengineering
David Adenuga (PhD Program)
Thesis Topic: Long-term Antibody-Drug Systems
BS University of Lagos, Chemical & Petroleum Engineering
Joseph Mwaniki (PhD Program)
Thesis Topic: Antibacterial coating
BS Moi University, Industrial Chemistry
MS University of Nairobi, Industrial Chemistry
James Kelley (PhD Program)
Thesis Topic: Long-term photoresponsive drug delivery systems
BS University of Alabama - Huntsville, Chemical Engineering

Undergraduate Students
Anant Ramji
Chemical Engineering, Spring 2025.
Research Topic: Implant fabrication
Hunter Simpkins
Biomedical Engineering, Fall 2024.
Research Topic: Implant fabrication
Alumni
Graduate students
Zishu Cao
Student worker
(Current position: PhD Program at Chemical Engineering)
Ruibo Qin
MEng Chemical Engineering
Hsuan-Yeh Pan
Research Assistant
(Current position: PhD Program at Vision Science in School of Optometry , Indiana University, Bloomington, IN)
Zhe Zhang
MS Chemical Engineering
Thesis: "Quantitative Analysis of Phase-Transition Process of Light-Activatable Theranostic Agents by Pulsed Laser"
(Current position: PhD Program at Environmental Engineering)
Xingyu He
PhD Chemical Engineering
Thesis: "Long-term Light-Activated Drug Delivery Systems"
BS Dong Hua University, Materials Science & Engineering
(Current: Postdoc at Department of Pathology Wang Lab)
Zheng Yuan
PhD Chemical Engineering
Thesis Topic: "Light-activatable drug delivery systems"
MS University of Cincinnati, Materials Science
Thesis: Impact of Colloidal Silica on Silicone Oil -Silica Mixed Antifoam (Advisor: Dr. Dale Schaefer)
BS Dong Hua University, Polymer Science & Engineering
(Current: Omega Therapeutics, MA)
Aditya Sriram Challa
MENG Chemical Engineering
Thesis Topic: Novel stent design and Flow rate/Drug resistance Modeling
BS Indian Institute of Technology Guwahati, Chemical Engineering
Zachary Mount
MS Chemical Engineering
Thesis Topic: Effect of dosing methods on chronic eye disease treatment
BS Ohio State University, Biological Engineering
(Current: Research Assistant at Children's Hospital of Philadelphia, PA)
Madeleine Debrosse
PhD Chemical Engineering, Co-advised with Dr. Jason Heikenfeld
BS Wright State University
Natalie Wehrle
MS Chemical Engineering
Thesis Topic: Reversible drug delivery systems
BS Northern Kentucky University, Chemistry
Sayma Afrin (PhD Program),
Thesis Topic: Anti-biofilm strategies
MS University of Kentucky, Chemical Engineering
Thomas (TJ) Waterkotte (PhD Program),
Thesis Topic: Long-term drug delivery systems
BS Ohio State University, Chemical Engineering
Avery (Zhiwei) Zheng (PhD Program),
Thesis Topic: Light-activatable drug delivery systems
BS Penn State University, Chemical Engineering
Arjun Dheenan (MS Program)
Thesis Topic: Biodegradable Hollow Fiber Membrane Implants
BS University of Cincinnati, Materials Science Engineering
Undergraduate students
Courtney Collins
BS Biochemisty
(Current position: College of Medicine, University of Cincinnati)
Aiden Nguyen
Tiffany Brooks
Nhung Tran
Madison Taylor
BS Chemical Engineering
(Current position: Ethicon, OH)
Khoi Nguyen
BS Biomedical Engineering
Alec Demith
BS Medical Sciences
(Current position: College of Medicine, University of Cincinnati)
Ryan Stoffel
BS Chemical Engineering
(Current position: College of Medicine, Indiana University)
Ryan Heitkamp
Chemical Engineering
Prasad Nithianandam
BS Biomedical Engineering
(Current position: Cincinnati Children's Hospital Medical Center)
Karman Ghuman
Medical Sciences
Bijeta Pradhan
Biological Sciences
Catherine Gottsacker
Chemical Engineering, Protege program,
Majd Alslaiti
Chemical Engineering, Co-op, 2021
Jonathan Raj
Biomedical Engineering, 2021 summer.
Simhya Karthikeyan
Medical Sciences, 2021 summer.
Linh Tran
Chemistry, Undergraduate researcher, 2020~Fall 2022.
Research topic: Reversible drug release liposomes.
(current: Graduate School at University of Minnesota)
Sarah Wessel
Chemical Engineering, Protege Undergraduate Program, 2024 Summer
Research topic: Repetitive light-activated liposomal drug.
Ruchika Pissay
Biomedical Engineering, Undergraduate researcher, Summer 2022~Fall 2024.
Research topic: Developing an injector for implants.
Sriman Nedunuri
Biological Engineering, University of Wisconsin, Summer 2024.
Nickalos Waddraji
Chemical Engineering, Summer 2024.
Postdoctoral Associates
Dr. Saikat Das
current position: Intel
Dr. Tilahun Debele
