Following the acquisition of each MS2 spectrum, synchronous precursor selection (SPS) enabled the selection of up to 10 MS2 fragment ions for MS3 analysis
Limitations of synthetic peptides include: Regulatory concerns: Many wellness peptides are not FDA-approved for the claims made around them
Anal Bioanal Chem 390:67988 Karlson EW, Watts J, Signorovitch J, Bonetti M, Wright E, Cooper GS, McAlindon TE, Costenbader KH, Massarotti EM, Fitzgerald LM, Jajoo R, Husni ME, Fossel AH, Pankey H, Ding WZ, Knorr R, Condon S, Fraser PA (2007) Effect of glutathione S -transferase polymorphisms and proximity to hazardous waste sites on time to systemic lupus erythematosus diagnosis: results from the Roxbury Lupus Project
Chen, T.-H
The prescribing information allows flexibility