title: Editorial overview: Probing environmental processes and microbiome functions using stable isotopes as smart tracers in analytical biotechnology.
authors.affiliation: Department of Isotope Biogeochemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318 Leipzig, Germany. Electronic address: hans.richnow@ufz.de.
authors.forename: Hans-Hermann
authors.initials: HH
authors.lastname: Richnow
authors.affiliation: Institute of Groundwater Ecology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany. Electronic address: tillmann.lueders@helmholtz-muenchen.de.
authors.forename: Tillmann
authors.initials: T
authors.lastname: Lueders