Urate-responsive MarR homologs from Burkholderia, Mol. Biosyst., 2010, 6, 2133. Protein S-guanylation by the biological signal 8-nitroguanosine 3',5'-cyclic monophosphate, Nature Chemical Biology, 2007 An efficient route to xanthine based A adenosine receptor antagonists and functional derivatives, Org. Biomol. Chem., 2010, 8, 4155. A mammalian functional nitrate reductase that regulates nitrite and nitric oxide homeostasis, Nature Chemical Biology, 2008 Direct measurements of xanthine in 2000-fold diluted xanthinuric urine with a nanoporous carbon fiber sensor, Analyst, 2008, 133, 810. Non-standard base pairing and stacked structures in methyl xanthineclusters, Phys. Chem. Chem. Phys., 2008, 10, 2819.