Brian Applegate, PhD

Professor of Otolaryngology - Head & Neck Surgery, Ophthalmology, Biomedical Engineering and Electrical and Computer Engineering

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Overview

Our research interests are broadly to develop novel biophotonic technologies for point-of-care diagnosis and monitoring of human disease as well as the basic scientific understanding of human disease.

Education and Training

  • The Ohio State University, Columbus, OH — PhD — 12/2000 — Chemistry

Research Funding

  • New technologies for imaging of the human cochlea
    NIH · R01DC023511 · Jul 1, 2026 – Apr 30, 2031 · Role: Principal Investigator
  • New low cost technology for early detection of ear disorders
    NIH · R21DC023404 · Sep 17, 2025 – Aug 31, 2027 · Role: Principal Investigator
  • Ultra-stable, phase sensitive, snapshot OCT system enabled by 2-Photon additive manufacturing
    NIH · R21GM149078 · Sep 15, 2023 – Aug 31, 2025 · Role: Principal Investigator
  • High-Speed, Low-Cost, Image Remapping Spectral Domain Full-Field Optical Coherence Tomography for Retinal Imaging
    NIH · R21EY035108 · Jul 1, 2023 – Jun 30, 2025 · Role: Principal Investigator
  • Comb Light Source/Imaging spectrometer for advanced Spectral Domain Optical Coherence Tomography
    NIH · R21GM135530 · Sep 1, 2020 – Aug 31, 2022 · Role: Principal Investigator
  • Optical imaging technologies to identify residual cholesteatoma and improve ossiculoplasty outcomes
    NIH · R01EB027113 · Apr 1, 2019 – Dec 31, 2023 · Role: Principal Investigator
  • Morphological and Molecular Imaging System for in vivo Atherosclerosis Research
    NIH · R01HL111361 · Apr 1, 2012 – Mar 31, 2019 · Role: Principal Investigator
  • Development of high-resolution molecular imaging of endogenous chromophores with
    NIH · R21RR025799 · May 15, 2009 – Apr 30, 2013 · Role: Principal Investigator
  • New Technologies for high resolution optical molecular imaging
    NIH · R21EB007729 · Jun 1, 2008 – May 31, 2011 · Role: Principal Investigator
  • Bringing Molecular Contrast to OCT
    NIH · F32EB004237 · Sep 1, 2004 – Aug 31, 2006 · Role: Principal Investigator

Publications

  • Optical coherence tomography of the tympanic membrane and middle ear: clinical applications. Curr Opin Otolaryngol Head Neck Surg. 2026 Jul 23.. View in PubMed
  • Imaging vocal fold medial surface vibration across chest, head, whistle, and creaky voice production using optical coherence tomography: A single subject study. JASA Express Lett. 2026 Jun 01; 6(6).. View in PubMed
  • Quantifying Vocal Fold Vibration in the Coronal Plane Using Optical Coherence Tomography in Normal Human Subjects. J Voice. 2026 Mar 16.. View in PubMed
  • Diagnosing Eosinophilic Chronic Rhinosinusitis in Excised Tissue Using Optical Coherence Tomography. Laryngoscope. 2026 05; 136(5):2092-2100.. View in PubMed
  • Multimodal microscope for optical coherence microscopy, tomography, vibrometry, and two-photon microscopy in the living mouse cochlea. J Biomed Opt. 2025 Oct; 30(10):106005.. View in PubMed
  • Optical coherence tomography-based cochlear endoscopy through the human round window membrane. Opt Lett. 2025 Sep 15; 50(18):5797-5800.. View in PubMed
  • Optical coherence tomography imaging demonstrates endolymphatic hydrops in the lateral and posterior semicircular canals in noise-exposed mice. Hear Res. 2025 10; 466:109380.. View in PubMed
  • Human inner ear fluid imbalance detected by optical coherence tomography correlates with hearing loss. Sci Transl Med. 2025 Jul 23; 17(808):eadv3783.. View in PubMed
  • Flexible catheter optical coherence tomography of the porcine middle ear via the Eustachian tube using a 3D-printed reflective objective. J Biomed Opt. 2025 07; 30(7):076002.. View in PubMed
  • Quantitative measurement of tympanic membrane structure and symmetry with optical coherence tomography in normal human subjects. J Biomed Opt. 2025 05; 30(5):056007.. View in PubMed