Detecting bacteria and determining their susceptibility to antibiotics by stochastic confinement in nanoliter droplets using plug-based microfluidics, Lab Chip, 2008, 8, 1265. Identification, isolation and characterization of a new impurity in cefoxitin drug substance resulting from stress stability studies, Anal. Methods, 2011, 3, 181. The effect of hospital effluent on antimicrobial resistant E. coli within a municipal wastewater system, J. Environ. Monit., 2013, 15, 617.