1. Articles from pratt.duke.edu

  2. 1-12 of 12
    1. Eye Imaging Technology Breaks Through Skin by Crossing Beams

      Eye Imaging Technology Breaks Through Skin by Crossing Beams

      Biomedical engineers at Duke University have demonstrated a method for increasing the depth at which optical coherence tomography (OCT) can image structures beneath skin. The gold standard for imaging and diagnosing diseases within the retina, OCT has yet to find widespread use as an imaging technique for other parts of the body due to its inability to return clear images from more than a millimeter beneath the skin’s surface. Duke researchers found that tilting the light source and detector used in the technique increases OCT’s imaging depth by almost 50%, putting skin diagnoses within reach. The “dual-axis” approach ...

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      Mentions: Duke University
    2. Robotic Scanner Automates Diagnostic Imaging in the Eye

      Robotic Scanner Automates Diagnostic Imaging in the Eye

      Engineers and ophthalmologists at Duke University have developed a robotic imaging tool that can automatically detect and scan a patient’s eyes for markers of different eye diseases. The new tool, which combines an imaging scanner with a robotic arm, can automatically track and image a patient’s eyes in less than a minute, and produce images that are as clear as the traditional scanners in specialized eye clinics. Their paper appeared July 12 in Nature Biomedical Engineering. Physicians and researchers use optical coherence tomography, or OCT, to diagnose various diseases in the eye, including glaucoma, diabetic retinopathy and age-related ...

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    3. Developing Low-Cost Scanning Laser Ophthalmoscopes to Combat Diabetic Retinopathy

      Developing Low-Cost Scanning Laser Ophthalmoscopes to Combat Diabetic Retinopathy

      Developing Low-Cost Scanning Laser Ophthalmoscopes to Combat Diabetic Retinopathy December 17, 2020 Hafeez Dhalla is using materials science and 3D printing to develop a new instrument for eye imaging that can combat a common cause of adult-onset blindness Hafeez Dhalla , assistant research professor of biomedical engineering at Duke University, is no stranger to the Harrington Engineering Quadrangle, nor to its reputation for innovation in the health care arena.

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    4. Farsiu Named Fellow of the Optical Society

      Farsiu Named Fellow of the Optical Society

      Sina Farsiu, the Paul Ruffin Scarborough Distinguished Associate Professor of Engineering, has been named a Fellow of the Optical Society of America (OSA). Farsiu was cited for his “outstanding contributions to optical image processing and biophotonics.” Farsiu is the director of the Vision and Image Processing Laboratory in Duke’s Departments of Biomedical Engineering and Ophthalmology, where he has been instrumental in introducing modern image processing and computation methods into the field of ophthalmic imaging. He is a pioneer in development of artificial intelligence (AI) systems that can automatically detect multiple diseases of the eye based on optical coherence tomography ...

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      Mentions: Duke University
    5. Faster. Stronger. Smarter.

      Faster. Stronger. Smarter.

      Artificial intelligence is shaping the future of eye care—and Duke is leading the way. Artificial intelligence (AI) leverages the growing power and speed of computers to solve complex problems. AI is transforming medical research and clinical practice—and ophthalmology is leading the way. “One of the most successful ways that AI has been applied recently is in the area of ‘computer vision,’ which is the assessment and interpretation of images,” explains Felipe Medeiros, MD, PhD, Joseph A.C. Wadsworth Professor of Ophthalmology. “We can apply sophisticated AI algorithms, such as ‘deep learning’ neural networks, which are capable of very ...

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    6. Duke University Engineering Professor Sina Farsiu Elected Fellow of the IEEE

      Duke University Engineering Professor Sina Farsiu Elected Fellow of the IEEE

      Sina Farsiu , the Paul Ruffin Scarborough Associate Professor of Engineering, and Jeffrey Krolik , professor of electrical and computer engineering, have been named fellows of the Institute of Electrical and Electronics Engineers (IEEE), the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. Each year, following a rigorous evaluation procedure, the IEEE Fellow Committee recommends a select group of recipients for elevation to IEEE fellow. Less than 0.1 percent of voting members are selected annually for this honor. With appointments in biomedical engineering, ophthalmology, electrical and computer engineering, and computer science, Farsiu was recognized ...

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      Mentions: Duke University
    7. Low-Cost, Portable System Takes OCT Beyond Ophthalmology

      Low-Cost, Portable System Takes OCT Beyond Ophthalmology

      esearchers have developed a way to perform optical coherence tomography (OCT) in hard-to-reach areas of the body such as joints. The advance could help bring this high-resolution biomedical imaging technique to new surgical and medical applications. OCT can image structures measured in microns, making it ideal for seeing subtle changes in tissue that might indicate disease or damage. Although OCT is now the standard of care in ophthalmology, making a high-quality OCT instrument compact enough for use inside the body has been challenging. In The Optical Society (OSA) journal Optics Letters, researchers from Duke University report how they used a ...

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      Mentions: Duke University
    8. Farsiu Receives Signal Processing Award

      Farsiu Receives Signal Processing Award

      Sina Farsiu , an associate professor in the department of biomedical engineering (BME) at Duke University, received the “Outstanding Member of the Editorial Board” award from the Institute of Electrical and Electronics Engineering (IEEE) Signal Processing Society in recognition for his exemplary role as the senior area editor of IEEE’s publication, Transactions on Image Processing (TIP). The award is given to editorial board members who have displayed notable excellence in the timeliness of the review process, effective communication with authors and reviewers, and a willingness to go the extra distance to serve the society’s publications. Farsiu was one of ...

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      Mentions: Duke University
    9. Farsiu Wins ARVO Foundation/Pfizer Ophthalmics Carl Camras Translational Research Award

      Farsiu Wins ARVO Foundation/Pfizer Ophthalmics Carl Camras Translational Research Award

      Sina Farsiu , an associate professor at Duke University with appointments in biomedical engineering, ophthalmology, electrical and computer engineering, and computer science, has won the 2017 Association for Research in Vision and Ophthalmology (ARVO) Foundation/Pfizer Ophthalmics Carl Camras Translational Research Award . Reserved for scientists under age 45, the award honors excellence in research and fundamental scientific discoveries, concepts and novel technologies. The discovery that each recipient is nominated for must also have led to, or have promise of leading to, clinical applications. Farsiu will receive the award, which includes a $12,000 honorarium, at the 2017 ARVO Annual Meeting held ...

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      Mentions: Duke University
    10. Sina Farsiu: Biomedical Engineer Processes an Avalanche of Images

      Sina Farsiu: Biomedical Engineer Processes an Avalanche of Images

      Sina Farsiu wants to figure out how to peer into your soul . . . or at least your brain. An expert in designing computer image processing algorithms, Farsiu is an assistant professor of ophthalmology at Duke Medicine who recently accepted a primary appointment in the Pratt biomedical engineering department with the hopes of strengthening collaborations across the university. “When President Bush said he looked Vladimir Putin in the eye and got a sense of his soul, he was actually on to something,” said Farsiu, who has a long history of collaborating with peers in Duke’s engineering school. “The retina is part ...

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      Mentions: Duke University
    11. Light Can Detect Pre-Cancerous Colon Cells

      Light Can Detect Pre-Cancerous Colon Cells
      DURHAM, N.C. – After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary experiments. This technology could be a non-invasive way for physicians to detect abnormal cells, or dysplasia, which have the potential of turning cancerous. These cells are in the epithelium, or lining, of various tissues, including the esophagus and colon. Current biopsy techniques require physicians to take many random tissue samples, and for some disorders of the colon, these procedures can be disfiguring and life-changing ...
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    12. New Technique Sees Into Tissue At Greater Depth, Resolution

      New Technique Sees Into Tissue At Greater Depth, Resolution
      DURHAM, N.C. By coupling a kicked-up version of microscopy with miniscule particles of gold, Duke University scientists are now able to peer so deep into living tissue that they can see molecules interacting. If future studies in animal models prove fruitful, the researchers believe that their new approach can have a wide spectrum of clinical applications, from studying the margins of a tumor as it is removed from the body to assessing the effects of anti-cancer agents on the blood vessels that nourish tumors. The Duke bioengineers combined tightly focused heat with optical coherence tomography (OCT), which has often ...
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    1-12 of 12
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