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Detection of human and bovine haptoglobin by using quartz crystal microbalance sensor chip containing secondary antibody

이차항체를 포함하는 수정미소저울 센서 칩을 이용한 사람과 소의 헵토글로빈 측정

  • Published : 2009.03.31

Abstract

In this study, secondary antibody-containing quartz crystal microbalance(QCM) sensor chip was prepared and utilized for the detection of human and bovine haptoglobin. Anti-goat immunoglobulin G antibody, which is a secondary antibody capable of capturing primary antibodies raised in goat, was immobilized through the reaction between hydrazide and aldehyde group prepared on the QCM surface and antibody respectively. The resulting sensor chip showed higher stability in the repeated surface regeneration with acidic dissociation solution as well as requiring lower amount of primary antibody when compared to the protein G sensor chip. The secondary antibody sensor chip was applied for the estimation of bovine and human haptoglobin.

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