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

  • Imaging the ex-vivo human cochlea using 1.3-μm and 1.7-μm optical coherence tomography. J Biomed Opt. 2025 04; 30(4):046007.. View in PubMed
  • The Medial Olivocochlear Efferent Pathway Potentiates Cochlear Amplification in Response to Hearing Loss. J Neurosci. 2025 04 09; 45(15).. View in PubMed
  • Snapshot hyperspectral imaging microscope enabled by cladded waveguide array fabricated with 2-photon additive manufacturing. Biomed Opt Express. 2025 May 01; 16(5):1819-1834.. View in PubMed
  • Optical Coherence Tomography Imaging and Angiography of Skull Base Tumors Presenting as a Middle Ear Mass in Clinic. Diagnostics (Basel). 2025 Mar 14; 15(6).. View in PubMed
  • Optical Coherence Tomography as a Tool for Quantitative Imaging of the Tympanic Membrane and Middle Ear. Otol Neurotol. 2025 Jun 01; 46(5):525-531.. View in PubMed
  • Cochlear Mechanics Are Preserved After Inner Ear Delivery of Gold Nanoparticles. Int J Mol Sci. 2024 Dec 26; 26(1).. View in PubMed
  • Generation of a zebrafish neurofibromatosis model via inducible knockout of nf2a/b. Dis Model Mech. 2024 12 01; 17(12).. View in PubMed
  • Visualizing motions within the cochlea’s organ of Corti and illuminating cochlear mechanics with optical coherence tomography. Hear Res. 2025 01; 455:109154.. View in PubMed
  • Endolymphatic hydrops and cochlear synaptopathy after noise exposure are distinct sequelae of hair cell stereociliary bundle trauma. Sci Rep. 2024 10 27; 14(1):25660.. View in PubMed
  • Optical coherence tomography otoscope for imaging of tympanic membrane and middle ear pathology. J Biomed Opt. 2024 08; 29(8):086005.. View in PubMed