{"id":5179,"date":"2026-04-20T05:20:53","date_gmt":"2026-04-20T05:20:53","guid":{"rendered":"https:\/\/cognitionconferences.com\/tissueengineering\/?post_type=speaker&#038;p=5179"},"modified":"2026-04-20T05:20:53","modified_gmt":"2026-04-20T05:20:53","slug":"cong-li","status":"publish","type":"speaker","link":"https:\/\/cognitionconferences.com\/tissueengineering\/speaker\/cong-li\/","title":{"rendered":"Cong Li"},"content":{"rendered":"<p><strong>Abstract<\/strong><\/p>\n<p>Radical prostatectomy is a standard curative approach for high-risk prostate cancer, yet it entails significant risks of postsurgical complications like erectile dysfunction and urinary incontinence. Accurately defining tumor margins during surgery remains a major challenge. Intraoperative assessment of prostate tumor malignancy, particularly those with high aggressiveness catalogued in Gleason grade group (GG) \u22653, is crucial to prevent positive surgical margins and minimize postoperative complications. Here, we develop a surface-enhanced Raman scattering (SERS)-based navigation system for intraoperative localization of high-grade malignant regions by simultaneously accessing tissue acidity and prostate specific antigen (PSA) enzymatic activity. This system integrates a sampling pen for automatic biomarkers extraction from exposed tissue surfaces at the discretion of the operator, a nano-imprinted SERS array producing ratiometric Raman signal in response to acidity and PSA activity, and\u00a0 a 2D-transformed deep-learning model determining pH by processing Raman spectra swiftly and robustly. We show that the system can intraoperatively identify GG\u22653 malignancies in fresh prostate tissues from 144 Chinese patients with an area under the receiver operating characteristic curve of 0.89. This SERS-based navigation system holds strong potential to enhance surgical precision, minimize tumor residue, and ultimately improve patient outcomes.<\/p>\n","protected":false},"featured_media":5178,"template":"","meta":{"_acf_changed":false},"schedule":[5],"speaker-category":[6],"class_list":["post-5179","speaker","type-speaker","status-publish","has-post-thumbnail","hentry","schedule-day-1","speaker-category-speakers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cong Li| Fudan University| China<\/title>\n<meta name=\"description\" content=\"Cong Li has completed his PhD at the age of 29 from the University of Hong Kong and postdoctoral studies from Johns Hopkins University, School of Medicine. He is the Professor of School of Pharmacy, Fudan University. He has published more than 90 papers in reputed journals such as Nat Biomed Eng, Nat Commun, and Cell Rep.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cognitionconferences.com\/tissueengineering\/speaker\/cong-li\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cong Li| Fudan University| China\" \/>\n<meta property=\"og:description\" content=\"Cong Li has completed his PhD at the age of 29 from the University of Hong Kong and postdoctoral studies from Johns Hopkins University, School of Medicine. He is the Professor of School of Pharmacy, Fudan University. 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