A novel mixed-mode solid phase extraction coupled with LC–MS/MS for the re-evaluation of free 3-nitrotyrosine in human plasma as an oxidative stress biomarker
Keywords: مخلوط حالت جامد استخراج فاز; 3-Nitrotyrosine; LC–MS/MS; Mixed-mode solid phase extraction; Oxidative stress biomarker; Method validation; Plasma