A structure-switchable aptasensor for aflatoxin B1 detection based on assembly of an aptamer/split DNAzyme

An ultrasensitive, colorimetric and homogeneous strategy for aflatoxin B1 (AFB1) detection, which uses a DNA aptamer and two split DNAzyme halves, has been developed. Split halves of a hemin-binding DNAzymes is combined with an AFB1 aptamer to generate a homogeneous colorimetric sensor that undergoe...

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Veröffentlicht in:	Analytica chimica acta 2015-07, Vol.886, p.182-187
Hauptverfasser:	Seok, Youngung, Byun, Ju-Young, Shim, Won-Bo, Kim, Min-Gon
Format:	Artikel
Sprache:	eng
Schlagworte:	Aflatoxin B1 Aflatoxin B1 - analysis Aptamer Aptamers, Nucleotide - chemistry Biosensing Techniques - methods Colorimetric Colorimetry - methods DNA, Catalytic - chemistry G-Quadruplexes Limit of Detection Mycotoxin Split DNAzyme Zea mays - microbiology
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