Stefan Wagener

Learn More
Anaerobic biodegradation and inhibitory effects of nonionic and anionic surfactants on methanogenic fermentation were tested in incubation experiments with anoxic sediment samples and sewage sludge. Alkylsulfonates and alkylbenzenesulfonates were not degraded but inhibited meth-anogenesis from sludge constituents at concentrations 1> 10 mg l-k Sodium(More)
OBJECTIVES The point of departure for the present work is the observation that, in comparison with Anglo-American countries or the Netherlands, Germany was responsible for only a marginal number of international publications in the field of medical education research before 2004. Recent years, however, have seen an increase in the importance of medical(More)
  • Susan Caskey, Jennifer Gaudioso Shigematsu, +8 authors Joe Kozlovac
  • 2010
Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned Approved for public release; further dissemination unlimited. NOTICE: This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government, nor any agency thereof, their(More)
INTRODUCTION Progress tests provide students feedback on their level of proficiency over the course of their medical studies. Peer-assisted learning and competency-based education have become increasingly important in medical education. Although progress tests have been proven to be useful as a longitudinal feedback instrument, there are currently no(More)
Emergency response plans are critical for public and occupational safety. " A Novel Approach for Development and Implementation of an Emergency Response Plan for the BSL-3 Laboratory Service in Singapore " (pp. 158-163) provides a blueprint for coordinating the effort of government agencies, public services, and laboratory staff in the prevention and(More)
  • 1