Michael Engel

Tiotropium in Asthma Poorly Controlled with Standard Combination Therapy

Huib A.M. Kerstjens, Michael Engel, Ronald Dahl et al. · New England Journal of Medicine · 2012 · 653 citations · Full text

Kinetic fractionation of stable nitrogen isotopes during amino acid transamination

Stephen A. Macko, Marilyn L.F. Estep, Michael Engel et al. · Geochimica et Cosmochimica Acta · 1986 · 421 citations

Engineering, Biochemistry, Reactive Nitrogen Specie +7

Stable carbon isotope analysis of amino acid enantiomers by conventional isotope ratio mass spectrometry and combined gas chromatography/isotope ratio mass spectrometry

J.A. Silfer, Michael Engel, Stephen A. Macko et al. · Analytical Chemistry · 1991 · 318 citations

Engineering, Biological Mass Spectrometry, Altmetric Attention Score +19

Distribution and enantiomeric composition of amino acids in the Murchison meteorite

Michael Engel, Bartholomew Nagy · Nature · 1982 · 263 citations

Organic Geochemistry, Engineering, Amino Acids +7

Ideas and perspectives: Tracing terrestrial ecosystem water fluxes using hydrogen and oxygen stable isotopes – challenges and opportunities from an interdisciplinary perspective

Daniele Penna, Luisa Hopp, Francesca Scandellari et al. · Biogeosciences · 2018 · 210 citations · Full text

Engineering, Environmental Cycle, Oxygen Isotope +18