Explanipedia

Fundamentals of Eyelid and Facial Flaps Open

Stephanie H. Noh, Shijun Sung, Lilangi S. Ediriwickrema · 2025

A flap is tissue transferred from one site (donor) to another (recipient) while maintaining its own blood supply. In oculofacial surgery, defects occur due to congenital anomalies, infiltrative and inflammatory processes, traumatic injurie…

Multimodal optical imaging of the oculofacial region using a solid tissue-simulating facial phantom Open

Lilangi S. Ediriwickrema, Shijun Sung, Kaylyn C. Mattick, Miranda An, Claire Malley , et al. · 2024

We are the first to evaluate the geometric implications of wide-field imaging along the periocular region using a solid tissue-simulating facial phantom. Results suggest that the ITQ, INQ, STQ, and FH of a generalized face have minimal imp…

Methods for registering and calibrating in vivo terahertz images of cutaneous burn wounds Open

Priyamvada Tewari, James Garritano, Neha Bajwa, Shijun Sung, Haochong Huang , et al. · 2018

A method to register THz and visible images of cutaneous burn wounds and to calibrate THz image data is presented. Images of partial and full thickness burn wounds in 9 rats were collected over 435 mins. = 7.25 hours following burn inducti…

Resolution and material assessment capability of a vibroacoustographic imaging system Open

Ashkan Maccabi, Nikan K. Namiri, Neha Bajwa, Suraj Dhanjani, Shijun Sung , et al. · 2018

There has been significant growth in non-invasive screening techniques for evaluating abnormal tissue. Vibroacoustography (VA), an imaging modality based on ultrasound-stimulated acoustic emission and non-linear scattering characteristics …

THz Imaging System for <i>in vivo</i> Human Cornea Open

Shijun Sung, E. R. Brown, Warren S. Grundfest, Zachary D. Taylor, Skyler Selvin , et al. · 2017

Terahertz (THz) imaging of corneal tissue water content (CTWC) is a proposed method for early, accurate detection and study of corneal diseases. Despite promising results from ex vivo and in vivo cornea studies, interpretatio…

Optical System Design for Noncontact, Normal Incidence, THz Imaging of in vivo Human Cornea Open

Shijun Sung, Alex Li, Sophie X. Deng, E. R. Brown, Warren S. Grundfest , et al. · 2017

Reflection mode Terahertz (THz) imaging of corneal tissue water content (CTWC) is a proposed method for early, accurate detection and study of corneal diseases. Despite promising results from ex vivo and in vivo cornea studie…

Terahertz Imaging of Cutaneous Edema: Correlation With Magnetic Resonance Imaging in Burn Wounds Open

Neha Bajwa, Shijun Sung, Daniel B. Ennis, Michael C. Fishbein, Bryan Nowroozi , et al. · 2017

The ability to implement THz imaging immediately following injury, combined with TWC sensing capabilities that compare to MRI, further support THz sensing as an emerging tool to track fluid in tissue.

Terahertz imaging and sensing for ophthalmic evaluation of corneal diseases Open

Shijun Sung · 2017

In the span of electromagnetic wave band from microwave to X-rays, Interactions of biological tissue and light at the terahertz (THz) wavelength band (Î» ~ 30ïm - 3mm) are particularly unique for two reasons. First, the THz band retains …

Non-invasive terahertz imaging of tissue water content for flap viability assessment Open

Neha Bajwa, Joshua K. Au, Reza Jarrahy, Shijun Sung, Michael C. Fishbein , et al. · 2016

Accurate and early prediction of tissue viability is the most significant determinant of tissue flap survival in reconstructive surgery. Perturbation in tissue water content (TWC) is a generic component of the tissue response to such surge…

Engineering A11 Minibody-Conjugated, Polypeptide-Based Gold Nanoshells for Prostate Stem Cell Antigen (PSCA)–Targeted Photothermal Therapy Open

Kristine M. Mayle, Kathryn R. Dern, Vincent Kam Wai Wong, Kevin Y. Chen, Shijun Sung , et al. · 2016

Currently, there is no curative treatment for advanced metastatic prostate cancer, and options, such as chemotherapy, are often nonspecific, harming healthy cells and resulting in severe side effects. Attaching targeting ligands to agents …

Polypeptide-Based Gold Nanoshells for Photothermal Therapy Open

Kristine M. Mayle, Kathryn R. Dern, Vincent Kam Wai Wong, Shijun Sung, Ke Ding , et al. · 2016

Targeted killing of cancer cells by engineered nanoparticles holds great promise for noninvasive photothermal therapy applications. We present the design and generation of a novel class of gold nanoshells with cores composed of self-assemb…

Preliminary results of non-contact THz imaging of cornea Open

Shijun Sung, James Garritano, Neha Bajwa, Sophie X. Deng, Jean‐Pierre Hubschman , et al. · 2015

This paper presents a novel THz optical design that allows the acquisition of THz reflectivity maps of in vivo cornea without the need for a field flattening window and preliminary imaging results of in vivo rabbit cornea. The syste…

THz and mm-Wave Sensing of Corneal Tissue Water Content: Electromagnetic Modeling and Analysis Open

Zachary D. Taylor, James Garritano, Shijun Sung, Neha Bajwa, David Bennett , et al. · 2015

Terahertz (THz) spectral properties of human cornea are explored as a function of central corneal thickness (CCT) and corneal water content, and the clinical utility of THz-based corneal water content sensing is discussed. Three candidate …

THz and mm-Wave Sensing of Corneal Tissue Water Content: In Vivo Sensing and Imaging Results Open

Zachary Taylor, James Garritano, Shijun Sung, Neha Bajwa, David Bennett , et al. · 2015

A pulsed terahertz (THz) imaging system and millimeter-wave reflectometer were used to acquire images and point measurements, respectively, of five rabbit cornea in vivo. These imaging results are the first ever produced of in vi…

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