We demonstrate that gold nanocages (AuNCs) with built-in artificial antibodies enable the detection of kidney injury biomarker from synthetic urine down to a concentration of 25 ng ml−1. Molecularly imprinted AuNCs exhibit excellent selectivity against numerous interfering urinary proteins and remarkable stability over a wide range of pH and specific gravity.
L. Tian, K. Liu, J. J. Morrissey, N. Gandra, E. D. Kharasch and S. Singamaneni, J. Mater. Chem. B, 2014, 2, 167 DOI: 10.1039/C3TB21551B
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