Adenosine detection by using gold nanoparticles and designed aptamer sequences, Analyst, 2009, 134, 1355. Label-free electrochemical detection of adenosine based on electron transfer from guanine bases in an adenosine-sensitive aptamer, Chem. Commun., 2009, 4747. Nucleic acid aptamers for biosensors and bio-analytical applications, Analyst, 2009, 134, 1765. Label-free aptamer-based sensor using abasic site-containing DNA and a nucleobase-specific fluorescent ligand, Chem. Commun., 2009, 6445. Direct measurements of xanthine in 2000-fold diluted xanthinuric urine with a nanoporous carbon fiber sensor, Analyst, 2008, 133, 810. Rational design of an optical adenosine sensor by conjugating a DNA aptamer with split DNAzyme halves, Chem. Commun., 2008, 6161. Diamond microelectrodes for in vitro electroanalytical measurements: current status and remaining challenges, Analyst, 2008, 133, 17.