Dr. Michael Biermann
(2013) Simultaneous analysis of the non-canonical amino acids norleucine and norvaline in biopharmaceutical-related fermentation processes by a new ultra-high performance liquid chromatography approach. Amino Acids 44(4), 1225-1231.
(2013) Trace element associated reduction of norleucine and norvaline accumulation during oxygen limitation in a recombinant Escherichia coli fermentation. Microb Cell Fact 12, 116.