Isolation and enumeration of cells from a complex sample matrix

G - Physics – 01 – N

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Details

G01N 33/569 (2006.01) G01N 33/543 (2006.01)

Patent

CA 2711373

The present invention relates to methods and systems for labeling, isolating, detecting and enumerating biological cells, or other biological analytes of interest present in a sample, where the capturing complex may also serve as a labeling agent. In one embodiment, the capture complex is an encoded magnetic bead coupled to antibodies having a specific affinity for a cell surface protein on a cell of interest. The methods and systems of the present invention can be used for quantitative or qualitative detection.

La présente invention porte sur des procédés et des systèmes pour marquer, isoler, détecter et dénombrer des cellules biologiques ou d'autres analytes biologiques d'intérêt présents dans un échantillon, le complexe de capture pouvant également servir d'agent de marquage. Dans un mode de réalisation, le complexe de capture est une bille magnétique codée couplée à des anticorps présentant une affinité spécifique pour une protéine de surface cellulaire sur une cellule d'intérêt. Les procédés et les systèmes de la présente invention peuvent être utilisés pour une détection quantitative ou qualitative.

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