Journal
LAB ON A CHIP
Volume 11, Issue 12, Pages 2045-2048Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0lc00569j
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Funding
- Ministry of Education, Science and Technology (MEST)
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We report an isomagnetophoretic immunoassay capable of detecting an attomolar level of proteins and adjusting the dynamic range of target analytes. Here, the magnetic nanoparticles are used as labels on microbeads in sandwich-type immunoassay, detecting the amount of bound analytes by isomagnetophoretic focusing the solid-support microbeads under the magnetic susceptibility gradient and magnetic field in a microchannel. For the practical purpose, this platform was applied to detect three types of breast cancer biomarkers.
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