2-Aminopurine-modified abasic-site-containing duplex [DNA 5'-TCTGC GTCCT PXT TAACG CACAC-3'/3'-AGACG CAGGA TCA ATTGC GTGTG-5'; P = 2-aminopurine, X = abasic site (Spacer-C3), C = receptor base] is capable of selectively binding to the bronchodilator theophylline with a dissociation constant of 10 microM (5 degrees C, pH 7.0, I = 0.11 M) and is applicable to monitoring serum theophylline concentrations.
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2-Aminopurine-modified abasic-site-containing duplex DNA for highly selective detection of theophylline.
J Am Chem Soc
February 2009
Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan.
2-Aminopurine-modified abasic-site-containing duplex [DNA 5'-TCTGC GTCCT PXT TAACG CACAC-3'/3'-AGACG CAGGA TCA ATTGC GTGTG-5'; P = 2-aminopurine, X = abasic site (Spacer-C3), C = receptor base] is capable of selectively binding to the bronchodilator theophylline with a dissociation constant of 10 microM (5 degrees C, pH 7.0, I = 0.11 M) and is applicable to monitoring serum theophylline concentrations.
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