Electrogenerated chemiluminescence labels for analysis and/or referencing
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United States of America Patent
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Nov 12, 2002
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app pub date -
May 20, 1998
filing date -
Aug 26, 1994
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Abstract
Biomolecule analysis using anodic oxidation of aqueous sodium 9,10-diphenylanthracene-2-sulfonate (DPAS) and 1- and 2-thianthrenecarboxylic acid (1-THCOOH and 2-THCOOH) in the presence of tri-n-propylamine (TPrA) as a coreactant in aqueous solution produces electrogenerated chemiluminescence (ECL). In addition, the cathodic reduction of DPAS in the presence of peroxydisulfate (S.sub.2 O.sub.8.sup.2-) as a coreactant also produces ECL in an acetonitrile (MeCN)-water solution (1:1 by volume). The oxidation of chlorpromazine (CPZ) produces an ECL emission in the absence of an added coreactant following an unprecedented 'self-annihilation' mechanism.
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