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Title
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PCR amplified DNAzyme-amplicons for generic solid-phase antimicrobial resistance screening
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Author
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Abstract
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| Fiber optic surface plasmon resonance (FO-SPR) has shown its potential for the detection of nucleic acids and more recently the technology has been combined with catalytic active strands such as DNAzymes. In this work, an innovative, generic solid-phase DNA sensor concept is presented, based on FO-SPR and PCR amplified DNAzyme activity. Improved levels of specificity and sensitivity were obtained down to picomolar concentrations. Moreover, the FO-SPR sensor concept enables AuNP amplified DNA target detection, independent of the target sequence length. The FO-SPR sensor was demonstrated for the screening of the mobile colistin resistance (MCR-2) gene, a gene important for the antimicrobial resistance in Gram-negative species such as E. Coli. |
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Language
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English
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Source (book)
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Transducers 2019 : Eurosensors XXXIII, 23-27th June 2019, Berlin, Germany
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Publication
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2019
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DOI
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10.1109/TRANSDUCERS.2019.8808484
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Volume/pages
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p. 971-974
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ISI
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000539487000245
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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