Fig. 1.

Sections of one-dimensional (1D) nuclear Overhauser effect spectroscopy (NOESY) spectra from seminal plasma (SP) measured at 900 MHz. (A) 1D NOESY spectrum of SP collected in HBSS, with additional peaks due to exogenous glucose present. (B) 1D NOESY spectrum of SP collected in PBS. Ala, alanine; Arg, arginine; Asn, asparagine; bPBS, Panel B – PBS (panel labelling); Cho, choline; Cit, citrate; DFTMP, 1,1-difluoro-1-trimethylsilanyl methylphosphonic acid; DSS, 4,4-dimethyl-4-silapentane-1-sulfonic acid; f1, Chemical shift; Fru, fructose; Gln, glutamine; Gluc, glucose; Glu, glutamate; Ile, isoleucine; Lac, lactate; Leu, leucine; Lys, lysine; PCho, phosphocholine; Pyr, pyruvate; SP, seminal plasma; Spe, spermine; Val, valine.