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. Author manuscript; available in PMC: 2008 Oct 27.
Published in final edited form as: Langmuir. 2008 Feb 5;24(6):2908–2915. doi: 10.1021/la703053h

Figure 4.

Figure 4

Bar chart contrasting the magnitude of the red shift for the corresponding amino acid coupled onto the amino-terminated APTMS-PSi surface and the acid-labile Rink linker. The amino acid molecular weight is indicated in parentheses. The data suggests comparable coupling efficiencies.