A novel sandwich-type electrochemiluminescent immunoassay utilizing apoferritin-templated poly(ethylenimine) (PEI) nanoparticles as labels based on the in situ release of the co-reactant of PEI was developed for sensitive detection of HCG with a low detection limit of 0.17 μIU mL(-1).
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| http://dx.doi.org/10.1039/c2cc32345a | DOI Listing |
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