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public:research 2022/01/24 11:23 public:research 2022/04/21 02:32 current
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**Publications:** **Publications:**
-  * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Highly Multiplexed Confocal Fluorescence Lifetime Microscope Designed for Screening Applications," IEEE Selected Topics in Quantum Electronics, 27(5):1-9, doi.org/10.1109/JSTQE.2020.2997834  ({{:public:publications:mcfocal_flim_2020_jstqe_pre.pdf|Preprint PDF}})+  * Elizabeth J. Osterlund, Nehad Hirmiz, James M. Pemberton, Adrien Nougarede, Qian Liu, Brian Leber, Qiyin Fang, and David W. Andrews, "Efficacy and specificity of inhibitors of BCL-2 family protein interactions assessed by affinity measurements in live cells," Science Advances, 8(16): 2022, doi: 10.1126/sciadv.abm7375 ([[https://doi.org/10.1126/sciadv.abm7375|Open Access]]) 
 +  * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Highly Multiplexed Confocal Fluorescence Lifetime Microscope Designed for Screening Applications," IEEE Selected Topics in Quantum Electronics, 27(5):1-9, 2020, doi.org/10.1109/JSTQE.2020.2997834  ({{:public:publications:mcfocal_flim_2020_jstqe_pre.pdf|Preprint PDF}})
  * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Multiplexed confocal microscope with a refraction window scanner and a single-photon avalanche photodiode array detector," Opt. Lett. 45(1), 69-72 (2020), https://doi.org/10.1364/OL.45.000069 ([[https://doi.org/10.1364/OL.45.000069|online]])   * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Multiplexed confocal microscope with a refraction window scanner and a single-photon avalanche photodiode array detector," Opt. Lett. 45(1), 69-72 (2020), https://doi.org/10.1364/OL.45.000069 ([[https://doi.org/10.1364/OL.45.000069|online]])
  * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Cross-talk reduction in a multiplexed synchroscan streak camera with simultaneous calibration," Opt. Express 27, 22602-22614 (2019), doi.org/10.1364/OE.27.022602 ([[https://doi.org/10.1364/OE.27.022602|online]])   * Nehad Hirmiz, Anthony Tsikouras, Elizabeth J. Osterlund, Morgan Richards, David W. Andrews, and Qiyin Fang, "Cross-talk reduction in a multiplexed synchroscan streak camera with simultaneous calibration," Opt. Express 27, 22602-22614 (2019), doi.org/10.1364/OE.27.022602 ([[https://doi.org/10.1364/OE.27.022602|online]])
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==== Imaging in the Gastrointestinal Tract ("Google Streetview" of the Colon) ==== ==== Imaging in the Gastrointestinal Tract ("Google Streetview" of the Colon) ====
-We are developing a novel 360 degree panoramic imaging method to build a map of colon lining, during colonoscopy, and use it to locate and track cancerous and pre-cancerous lesions. In colonoscopy, it is important to monitor the progression or recurrence of suspected cancerous lesions (e.g. polyps). Because the colon is contractile and mobile, however, it is very difficult to relocate a lesion (e.g. a polyp) even during the same procedure. A near-infrared imager will be built to image the blood vessels under the surface of the colon lining. The infrared images will be merged with regular surface images to build a colon map that shows blood vessel features as landmarks. This research will make colon cancer screening and treatments more effective.  +In colonoscopy, it is important to monitor the progression or recurrence of suspected cancerous lesions (e.g., polyps). Because the colon is contractile and mobile, however, it is very difficult to relocate a lesion (e.g., a polyp) even during the same procedure. We are developing a novel 360 degree panoramic imaging method to build a map of colon lining, during colonoscopy, and use it to locate and track cancerous and pre-cancerous lesions. This research will make colon cancer screening and treatments more effective. 
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**Publications:** **Publications:**
-  *  Samir Sahli, Roy, C. C. Wang, Aparna Murthy, David Armstrong, M. Jamal Deen, and Qiyin Fang, "a 360 degree side view endoscope for lower GI tract mapping," Physics in Canada, 71(1): 18-20, 2015+  *  Samir Sahli, Roy, C. C. Wang, Aparna Murthy, David Armstrong, M. Jamal Deen, and Qiyin Fang, "a 360 degree side view endoscope for lower GI tract mapping," Physics in Canada, 71(1): 18-20, 2015 ([[https://pic-pac.cap.ca/index.php/Issues/showpdf/article/v71n1.0-a2394.pdf|online]])
  * Roy Chih Chung Wang, M. Jamal Deen, David Armstrong, and Qiyin Fang, "development of a catadioptric endoscope objective with forward and side views," Journal of Biomedical Optics, 16(6):066015, 2011. ({{:public:publications:fangq_wangrcc_dual-view_jbo_2011.pdf|PDF}})   * Roy Chih Chung Wang, M. Jamal Deen, David Armstrong, and Qiyin Fang, "development of a catadioptric endoscope objective with forward and side views," Journal of Biomedical Optics, 16(6):066015, 2011. ({{:public:publications:fangq_wangrcc_dual-view_jbo_2011.pdf|PDF}})
  * M. Kfouri, O. Marinov, P. Quevedo, N. Faramarzpour, S. Shirani, L. W-C. Liu, Q. Fang, M. J. Deen, “Towards a Miniaturized Wireless Fluorescence-Based Diagnostic Imaging System,” IEEE Journal of Selected Topics in Quantum Electronics, 14(1): 226-234, 2008. ({{:public:publications:kfourim_ieee_2008.pdf|PDF}})    * M. Kfouri, O. Marinov, P. Quevedo, N. Faramarzpour, S. Shirani, L. W-C. Liu, Q. Fang, M. J. Deen, “Towards a Miniaturized Wireless Fluorescence-Based Diagnostic Imaging System,” IEEE Journal of Selected Topics in Quantum Electronics, 14(1): 226-234, 2008. ({{:public:publications:kfourim_ieee_2008.pdf|PDF}}) 
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==== Micro and Nano-Biosensing/Imaging Devices ==== ==== Micro and Nano-Biosensing/Imaging Devices ====
Conventional optical spectroscopy and imaging systems are large, complex and costly optoelectronic instruments comprised of lasers, spectrophotometers, and detectors. Often, their size is the limiting factor for their use in certain applications such as in-situ monitoring of physiological processes and distributed environmental sensing. In practice, there are strong demands for miniaturized, integrated devices for biomedical applications. Conventional optical spectroscopy and imaging systems are large, complex and costly optoelectronic instruments comprised of lasers, spectrophotometers, and detectors. Often, their size is the limiting factor for their use in certain applications such as in-situ monitoring of physiological processes and distributed environmental sensing. In practice, there are strong demands for miniaturized, integrated devices for biomedical applications.

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