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Characterization and Inkjet Printing of an RNA Aptamer for Paper-Based Biosensing of Ciprofloxacin.

Jaeger, Jeannine ; Groher, Florian ; Stamm, Jacqueline ; Spiehl, Dieter ; Braun, Johannes ; Dörsam, Edgar ; Suess, Beatrix (2019)
Characterization and Inkjet Printing of an RNA Aptamer for Paper-Based Biosensing of Ciprofloxacin.
In: Biosensors, 9 (1)
doi: 10.3390/bios9010007
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

The excessive use of antibiotics in food-producing animals causes a steady rise of multiple antibiotic resistance in foodborne bacteria. Next to sulfonamides, the most common antibiotics groups are fluoroquinolones, aminoglycosides, and ß-lactams. Therefore, there is a need for a quick, efficient, and low-cost detection procedure for antibiotics. In this study, we propose an inkjet-printed aptamer-based biosensor developed for the detection of the fluoroquinolone ciprofloxacin. Due to their extraordinary high affinity and specificity, aptamers are already widely used in various applications. Here we present a ciprofloxacin-binding RNA aptamer developed by systematic evolution of ligands by exponential enrichment (SELEX). We characterized the secondary structure of the aptamer and determined the KD to 36 nM that allow detection of antibiotic contamination in a relevant range. We demonstrate that RNA aptamers can be inkjet-printed, dried, and resolved while keeping their functionality consistently intact. With this proof of concept, we are paving the way for a potential range of additional aptamer-based, printable biosensors.

Typ des Eintrags: Artikel
Erschienen: 2019
Autor(en): Jaeger, Jeannine ; Groher, Florian ; Stamm, Jacqueline ; Spiehl, Dieter ; Braun, Johannes ; Dörsam, Edgar ; Suess, Beatrix
Art des Eintrags: Bibliographie
Titel: Characterization and Inkjet Printing of an RNA Aptamer for Paper-Based Biosensing of Ciprofloxacin.
Sprache: Englisch
Publikationsjahr: 2 Januar 2019
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Biosensors
Jahrgang/Volume einer Zeitschrift: 9
(Heft-)Nummer: 1
DOI: 10.3390/bios9010007
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Kurzbeschreibung (Abstract):

The excessive use of antibiotics in food-producing animals causes a steady rise of multiple antibiotic resistance in foodborne bacteria. Next to sulfonamides, the most common antibiotics groups are fluoroquinolones, aminoglycosides, and ß-lactams. Therefore, there is a need for a quick, efficient, and low-cost detection procedure for antibiotics. In this study, we propose an inkjet-printed aptamer-based biosensor developed for the detection of the fluoroquinolone ciprofloxacin. Due to their extraordinary high affinity and specificity, aptamers are already widely used in various applications. Here we present a ciprofloxacin-binding RNA aptamer developed by systematic evolution of ligands by exponential enrichment (SELEX). We characterized the secondary structure of the aptamer and determined the KD to 36 nM that allow detection of antibiotic contamination in a relevant range. We demonstrate that RNA aptamers can be inkjet-printed, dried, and resolved while keeping their functionality consistently intact. With this proof of concept, we are paving the way for a potential range of additional aptamer-based, printable biosensors.

ID-Nummer: pmid:30609709
Fachbereich(e)/-gebiet(e): 10 Fachbereich Biologie
10 Fachbereich Biologie > Synthetic Genetic Circuits (2020 umbenannt in "Synthetic RNA biology")
16 Fachbereich Maschinenbau
16 Fachbereich Maschinenbau > Institut für Druckmaschinen und Druckverfahren (IDD)
Hinterlegungsdatum: 07 Jan 2019 12:06
Letzte Änderung: 21 Nov 2023 07:31
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