Education
PhD, Biomedical Engineering
University of Texas at San Antonio
Aug 2025 – Present
Bachelor of Science, Biomedical Engineering
University of Rochester (Biosignals & Biosystems Track)
Aug 2021 – May 2025
Research Experience
Graduate Research Assistant, MSMB Lab
University of Texas at San Antonio
Jun 2025 – Present
- Performing image processing for trabecular bone analysis using ImageJ and microstructural decomposition with ITS software.
- Developing an R package for probabilistic analysis of bone microarchitecture.
- Analyzing effects of age, sex, and location on bone integrity as biomarkers for fragility assessment.
Undergraduate Researcher, Choe Lab
University of Rochester Medical Center
Jan 2024 – May 2025
- Contributed to the development of an integrated Diffuse Optical and Ultrasound Imaging System.
- Developed tissue-mimicking phantoms to simulate breast tissue properties.
- Performed data analysis in MATLAB and Python for Diffuse Correlation Spectroscopy (DCS) data.
Research Presentations
Johnson D*, Zhang HF, Choe R. Integrated Optical and Ultrasound Imaging: Development of an Experimental Platform to Evaluate Novel Imaging Probe Device for Breast Cancer Monitoring. Poster presented at: ABRCMS 2024; November, 2024; Pittsburgh, PA.
Zhang HF*, Johnson D, Choe R. Development of an Experimental Platform to Test Integrated Diffuse Correlation Tomography and Ultrasound Probes for Breast Cancer Imaging. Poster presented at: 2024 BMES Annual Meeting; October, 2024; Baltimore, MD.
Key Projects
Senior Design Project: Blinking Eye Model
Developed a blinking eye model with a tissue-mimicking hydrogel and controllable blinking mechanism for preclinical testing of contact lenses for Bausch + Lomb.
Quantitative Analysis of Sexual Dimorphism in Human Mandibles
Analyzed CT data in MATLAB to quantify sexual dimorphism, finding significant differences in 3D mandibular length between males and females (p = 0.0034548).
Skills
Computer & Programming
Technical & Laboratory
Interactive Projects
Explore my interactive data applications and projects built with R/Shiny.
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