running spectra on N- acetyl tryptophanamide and L-cystine: 

11071801: water baseline 
11071802: 600 ul N- acetyl tryptophanamide 
11071803: 100 ul N-acetyl tryptophanamide + 500 ul H2O 
11071804: 50ul N-acetyl tryptophanamide + 550 ul H2O 
11071805: 20ul N-acetyl tryptophanamide + 580 ul H2O
11071806: r
11071807: 600ul L-cystine 
11071808: r 
11071809: r 