Respiratory test with endogenous ureia and analyzed by IRMS to detect Helicobacter...
Determining chemical composition of pyrogenic carbon in soil aggregates of Amazoni...
Efficiency and incorporation of nitrogenous compounds from L- (15N) methionine on ...
Assessment of postprandial carbohydrate oxidation with stable carbon isotopes (13C)
Double Labeled Water Method for determining energy expenditure in growing dogs.
Development of methods involving: determination of the isotopic abundance of 10...