Methods and compositions for simultaneous analysis of...

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G01N 33/546 (2006.01) G01N 33/53 (2006.01) G01N 33/536 (2006.01) G01N 33/543 (2006.01) G01N 33/564 (2006.01) G01N 33/569 (2006.01) G01N 33/576 (2006.01) G01N 33/76 (2006.01) G01N 33/96 (2006.01) G01N 15/14 (2006.01)

Patent

CA 2113350

A method for detecting multiple analytes of interest in a sample employing a complementary binding moiety to each of said analytes bound to a solid support, wherein each analyte and its complementary binding moiety comprise fins and second members of a specific binding pair (msbp) respectively is provided. The method includes the steps of forming a mixture of known proportions of multiple subpopulations of said complementary binding moieties, wherein each subpopulation comprises a different complementary binding moity, contacting the sample with the mixture so that specific binding pairs are formed on the solid supports, and relating the presence of analytes of interest in the sample to the formation of specific binding pairs associated with each unique proportion of said multiple subpopulations by comparing the area of the peak in the fluorescence histogram to the total, area of peaks in the histogram. The method can be performed with solid supports of a single average size and a single fluorochrome and without the need for using other detection systems (fluorescence FS & SS).

Procédé de détection d'analytes multiples à étudier présents dans un échantillon qui emploie une fraction de liaison complémentaire pour chacun desdits analytes liée à un support solide, chaque analyte et sa fraction de liaison complémentaire comprenant respectivement des premier et second éléments d'une paire de liaison spécifique (msbp). Ledit procédé consiste à former un mélange dans des proportions connues de sous-populations multiples desdites fractions de liaison complémentaires, chaque sous-population comprenant une fraction de liaison complémentaire différente, à mettre en contact ledit échantillon avec le mélange de manière à ce que des paires de liaison spécifiques se forment sur les supports solides et à mettre en relation la présence d'analytes à étudier se trouvant dans l'échantillon avec la formation de paires de liaison spécifiques associées à chaque proportion unique desdites sous-populations multiples en comparant la zone de pointe de l'histogramme de fluorescence à la zone totale des pointes de l'histogramme. Ledit procédé peut être appliqué à l'aide de supports solides d'une taille moyenne unique et d'un seul fluorochrome, et sans qu'il soit nécessaire d'utiliser d'autres systèmes de détection (fluorescence FS & SS).

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