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Journal for Biophysical Chemistry

Figure 5 | Biointerphases

Figure 5

From: Evaluating protocols and analytical methods for peptide adsorption experiments

Figure 5

Characteristic XPS signatures of model GGKGG, K 5 , and K 10 peptides deposited on Au substrates. Elemental spectra and fits are shown in the N 1s (at 2× intensity for clarity) and C 1s regions for GGKGG (a), K5 (b), and K10 (c). Substrates were incubated for 24 h in 1.0 mM (GGKGG and K5) or 0.5 mM (K10) peptide solutions in 10 mM sodium phosphate buffer (pH 7) at room temperature.

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