Rapid and sensitive gradient liquid chromatography method for the quantitation of 2-hydroxyethidium ion from neutrophils, Analytical Methods, 2011 GC-MS and HPLC methods for peroxynitrite (ONOO and O15NOO) analysis: a study on stability, decomposition to nitrite and nitrate, laboratory synthesis, and formation of peroxynitrite from S-nitrosoglutathione (GSNO) and KO2, Analyst, 2011, 136, 979. Sensitive electrochemical detection of superoxide anion using gold nanoparticles distributed poly(methyl methacrylate)–polyaniline core–shell electrospun composite electrode, Analyst, 2011, 136, 1557. A reliable and durable approach for real-time determination of cellular superoxide anion based on biomimetic superoxide dismutase stabilized by a zeolite, Analyst, 2011, 136, 1594. CdSe/ZnS quantum dot–Cytochrome c bioconjugates for selective intracellular O2˙ sensing, Chem. Commun., 2011, 47, 8539.