NMR detection in biofluid extracts at sub-μM concentrations via para-H2 induced hyperpolarization

I. Reile, N. Eshuis, N. K. J. Hermkens, B. J. A. van Weerdenburg, M. C. Feiters, F. P. J. T. Rutjes, M. Tessari
2016 The Analyst  
A combination of solid phase extraction, para-hydrogen induced hyperpolarization and selective NMR detection allows the quantitative determination of a doping substance at sub-μM concentrations in urine.
doi:10.1039/c6an00804f pmid:27221513 fatcat:xuk2tad6ang4hfg6wweo7h62rm