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. Author manuscript; available in PMC: 2014 Apr 23.
Published in final edited form as: Methods. 2013 Apr 23;60(2):161–168. doi: 10.1016/j.ymeth.2013.02.019

Figure 1.

Figure 1

Schematic representation of PA linker synthesis. Starting reagents are shown on the left. DMTO = dimethoxytrityl, lcaa = long chain alkyl amine, CPG = controlled porous glass support. The structure and chemical composition of the PA linker are shown on the right: the linker contains 12 units of PA spacer 18, terminal thiol (SH), and a terminal functional group (X).