A conventional technique of oligonucleotide detection --- Spectroscopic technique based on fluorescence labeling Background DNA microarray - Time-consuming and expensive process - Affection to quantitativity - Needing a wash for removing unbound targets Present problems fluorescent label Hybridization probe h Probe array target DNA microarray scanner (company A) Size: 60 x 90 x 60 [cm] Example We have studied on these problems by electrochemical approaches, expected to contribute simplifying and size-reducing the detection system.
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