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Figure 1 | Proteome Science

Figure 1

From: SELDI-TOF-MS determination of hepcidin in clinical samples using stable isotope labelled hepcidin as an internal standard

Figure 1

FTICR mass spectra of folded and reduced synthetic hepcidin-25. We show the 3+ion of unlabelled folded hepcidin 25 (a), reduced unlabelled hepcidin (b), folded labelled hepcidin (c) and reduced labelled hepcidin (d). Spectra were acquired by direct infusion in 0.1% formic acid/50% acetonitrile into a ThermoFinnigan LTQ-FT. Reduced samples were treated with DTT, zip-tipped and kept at low pH prior to analysis.

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ISSN: 1477-5956