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. 2015 Feb 5;5:9. doi: 10.1186/s13568-014-0091-2

Figure 2.

Figure 2

PM-RAIRS spectra of the two consecutive steps leading to the immobilization of EstC-NH 2 : (a) Au–MUA; (b) covalent binding of EstC-NH 2 to MUA SAMs on gold surface.