Assistant Professor & PULSE Lab Director - Johns Hopkins University Department of Electrical and Computer Engineering Department of Biomedical Engineering Listening to the Sound of Light to Guide Surgeries Abstract […]

From Ocular Biometry to Cellular Resolution – and Multifunctional OCT – Coherence Ranging and Imaging in the Human Eye over 35 Years Abstract In the mid 1980s, first applications of […]

Harnessing Photons for Label-free Chemical Imaging, High-Precision Neuromodulation, and Killing of Superbugs Abstract Photons are unique in that they can directly interact with molecules, the foundation of life. I will […]

In vivo multiphoton microscopy of microvasculature and inflammation: Lessons from the brain and a look at the heart Abstract In vivo multiphoton microscopy enables the visualization of dynamics at the […]

Cell Mechanics by Light Abstract Living cells are active matter characterized by mechanical properties as stiffness and deformability and morphological parameters as shape and volume. Genetic or pathogenic modifications of […]

Fluorophores with a Genome: DNA-Stabilized Silver Clusters as a New Class of Tunable Fluorophores for Microscopy and Biosensing Abstract Because near-infrared (NIR) electromagnetic radiation penetrates much farther into biological tissues […]

Illuminating Biomarkers of Stroke with Diffuse Optical Spectroscopies Abstract Our research group specializes in the development and application of diffuse optical spectroscopies to study the brain. These non-invasive, light-based tools […]

Vasculopathy in COVID-19 and Pathogenesis of Cutaneous Vascular Malformations Abstract SARS-CoV-2-associated vasculopathy under hyperlipidemia and pathological progression of congenital vascular abnormalities in Port Wine Stains. In the first part, we […]

Light + Sound: Peering into Brain Function and Metabolism Abstract Exploiting the optical absorption contrast of blood hemoglobin, photoacoustic microscopy (PAM) is an emerging technology for label-free imaging of the […]

  Confocal Microscopy for the Evaluation of OcularSurface Disease Abstract Diagnosis and treatment of ocular surface disease represents a large proportion of the average ophthalmologist’s practice. However, this group of […]