Electrogenerated chemiluminescence labels for analysis...

Details Electrogenerated chemiluminescence labels for analysis... Electrogenerated chemiluminescence labels for analysis...

C - Chemistry, Metallurgy

09

K

C09K 11/06 (2006.01) C12Q 1/68 (2006.01) G01N 33/532 (2006.01)

Patent

CA 2186503

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 (S2O82-) 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.

L'invention concerne l'analyse des biomolécules par oxydation anodique de sodium 9, 10-diphénylanthracène-2-sulfonate (DPAS) et d'acide 1- et 2-thianthrènecarboxylique (1-THCOOH et 2-THCOOH) en présence de tri-n-propylamine (TPrA) comme coréactif dans une solution aqueuse. Ce procédé engendre l'électrophotochimie (ECL). Par ailleurs, la réduction cathodique de DPAS en présence de peroxydisulfate (S¿2?O¿8??2-¿) comme coréactif engendre également l'électrophotochimie dans une solution aqueuse (1:1 en volume) d'acétonitrile (MeCN). L'oxydation de la chlorpromazine (CPZ) engendre l'électrophotochimie sans l'adjonction d'un coréactif, selon un mécanisme d'"auto-annihilation" sans précédent.

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