8:41Integration of Miniaturized Solid Phase Extraction and LC-MS/MS Detection of 3-Nitrotyrosine in Human Urine for Clinical Applications9.6K views•2017•Chemistry•Human BiologyXiaoguang Sunny Li1, Shu Li1, Melissa Ahrens2, Gottfried Kellermann1,2Xiaoguang Sunny Li1Shu Li1Melissa Ahrens2Gottfried Kellermann1,21Pharmasan Labs, Inc., 2NeuroScience, Inc.Pharmasan Labs, Inc.NeuroScience, Inc.