NAI Selects Three Duke Faculty for 2017 Fellow Class

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DURHAM, N.C., Jan. 16, 2018 — The National Academy of Inventors (NAI) has elected three faculty members from Duke University's biomedical engineering department to its 2017 class of fellows.

Joseph Izatt, the Michael J. Fitzpatrick professor of engineering; Nimmi Ramanujam, the Robert W. Carr Jr. professor of biomedical engineering, professor of global health and pharmacology and director of the Global Women's Health Technologies Center; and Tuan Vo-Dinh, the Goodson Professor of biomedical engineering, professor of chemistry and the director of the Fitzpatrick Institute for Photonics, have been selected. Founded in 2010, the NAI recognizes academic inventors who have made a tangible impact on the quality of life, economic development and welfare of society. With today's announcement, the Pratt School of Engineering faculty now includes seven members of the Academy. Earlier elections included biomedical engineers Ashutosh Chilkoti and Jennifer West, and electrical and computer engineers David R. Smith and Robert Calderbank.

Izatt's research focuses on the application of optical technologies for noninvasive, high-resolution imaging and sensing in living tissues. He is considered one of the leading experts on optical coherence tomography (OCT). Izatt's lab creates systems for use in noninvasive medical diagnostics, in vivo tomographic and superresolution microscopy and small animal imaging. Izatt worked closely with Cynthia Toth and her colleagues in Duke's ophthalmology department to develop the first hand-held OCT systems for infant examination and to pioneer real-time intra-operative OCT technology for image-guided ophthalmic microsurgery.

"I am very honored to be inducted as a fellow in the NAI,” Izatt said. “In our field of biomedical engineering, patenting and licensing technologies is an important means by which our basic and translational research can directly impact society. Together with many of my students, trainees, clinical and industrial collaborators, I am proud to have patented over 60 medical imaging technologies, the majority of which are licensed to companies bringing new patient care technologies to market around the world."

Ramanujam established the Tissue Optical Spectroscopy Laboratory at Duke in 2005, where she developed innovative optical strategies to examine thick tissues using the principles of optical spectroscopy, optical sectioning microscopy and molecular imaging. Ramanujam and her team are creating innovations that bring complex referral services to the primary care setting for cervical cancer prevention, strategies to mitigate residual disease and recurrence for women undergoing breast cancer therapy, and low-cost ablative methods as an alternative to surgical excision. Through her work at the Global Women's Health Technologies Center, Ramanujam investigates new ways to improve diagnosis and treatment of breast and cervical cancer and organizes programs aimed to increase the retention of women and underrepresented minorities in STEM fields, both locally and globally. The poster child for Ramanujam's research is the Pocket Colposcope, a compact tool that enables health care workers to more easily screen for and diagnose cervical cancer in settings with limited resources.

"It is so exciting to be acknowledged for the work we are doing to improve women's lives through technology, and in particular, our efforts to address the burgeoning health disparities that exist in medically underserved regions locally and globally," Ramanujam said. "It is also great see biophotonics in the spotlight. I get to share this honor with my outstanding colleagues, Drs. Izatt and Vo Dinh, who are both pioneers in the field of biomedical optical imaging."

Vo-Dinh has pioneered the development of a new generation of gene probes using a technique called surface-enhanced Raman scattering (SERS) detection with molecular sentinels that are able to detect the presence of low-abundance molecules and nucleic acid biomarkers. This technique has been used to improve the early detection and diagnosis of cancer, with additional applications in high-throughput screenings and systems biology research.

In addition to his work with the SERS method, Vo-Dinh is developing a novel multifunctional gold nanostar probe that can be used with multiple scanning techniques including PET, MRI and CT to define operating margins for surgeons and radiologists. Vo-Dinh, who has more than 45 patents, has also developed a wide variety of biophotonics technologies including laser-induced fluorescence for direct detection of tumors without physical biopsy, a multifunctional biochip for global health, and point-of-care disease diagnosis and plasmonics systems for nanoparticle-mediated photothermal therapy and immunotherapy to treat cancer and induce a long-term vaccine effect.

"Recognition by the NAI is the ultimate honor for an engineer and inventor," Vo-Dinh said. "I share this honor with all my co-workers, postdocs and students, who have collectively contributed to all our achievements over the years."

The NAI fellows will be inducted on April 5, 2018. in Washington, D.C. NAI is a U.S. nonprofit organization dedicated to encouraging inventors in academia, following the model of the National Academies of the United States.

Published: January 2018
BusinessResearch and Development National Academy of InventorsNAIJoseph IzattNimmi RamanujamTuan Vo-DinhpeopleawardsImagingSensors & DetectorsspectroscopyBiophotonicsAmericas

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