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An aptamer microarray was directly fabricated on a MALDI target plate for high-throughput insulin detection. High sensitivities were observed both in standard solutions (5 ng mL(-1), 0.86 nM) and serum sample (20 ng mL(-1), 3.4 nM). This method shows great promise in the field of biomarker detection.
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Zhang et al. (2012) studied this question.
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