sample preparation for penetratin (RQIKIWFQNRRMKWKK) by SPE before analyzing on LC-MS/MS?
Hello Sumaira Jabeen,
I don't know exactly what are your goals, but you should definitely check this tutorial review for peptide assays. It would save you a lot of trouble!
Cheers
Article Tutorial review for peptide assays: An ounce of pre-analytic...
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