Soong, J. L., Reuss, D., Pinney, C., Boyack, T., Haddix, M. L., Stewart, C. E., Cotrufo, M. F. Design and Operation of a Continuous 13C and 15N Labeling Chamber for Uniform or Differential, Metabolic and Structural, Plant Isotope Labeling. J. Vis. Exp. (83), e51117, doi:10.3791/51117 (2014).