Abstract
Formation of adducts to DNA is of great benefit to DNA sequencing and damage detection technology and to enzymology. Here we describe the synthesis and characterization procedures of 18-crown-6 adducts formed to abasic (AP) sites, 8-oxo-7,8-dihydro-2'-deoxyguanosine (OG), and 2'-deoxycytidine (C) residues in DNA oligodeoxynucleotides. These crown ether adducts were used as site-specific modifications to facilitate nanopore technology. The methods described can be readily expanded to attach other suitable primary amines of interest.
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