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- Title
Glucose biosensor based on screen-printed electrode modified with silicone sol–gel conducting matrix containing carbon nanotubes.
- Authors
Kamanina, O. A.; Kamanin, S. S.; Kharkova, A. S.; Arlyapov, V. A.
- Abstract
This research shows that high-performance biosensors can be produced by modification of screen-printed electrodes with enzymes and conducting hydrogel based on sol–gel matrix and single-walled carbon nanotubes. Tetraethoxysilane, dimethyldiethoxysilane and polyvinyl alcohol were used as the sol–gel matrix basis. Modified SWCNT provide direct electron transfer during glucose oxidation, as confirmed by cyclic voltammetry. The developed conducting sol–gel screen-printed electrodes can determine glucose within the concentration range 0.045–1.04 mM. The developed biosensor is not only in pace with its world analogues but even exceeds them by some analytical and metrological properties. The developed conducting sol–gel biosensor was used to measure the concentration of glucose in blood. The test results differed only insignificantly from those received with the help of standard glucose meter.
- Subjects
CARBON nanotubes; BLOOD sugar; GLUCOSE; POLYVINYL alcohol; ELECTRODES; HYDROGELS
- Publication
3 Biotech, 2019, Vol 9, Issue 7, pN.PAG
- ISSN
2190-572X
- Publication type
Article
- DOI
10.1007/s13205-019-1818-1