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A new epirubicin biosensor based on amplifying DNA interactions with polypyrrole and nitrogen-doped reduced graphene: Experimental and docking theoretical investigations
Abstract
Abstract Epirubicin is an effective anticancer drug, but naturally causes several side effects. Hence the determination of this drug in biological samples, plays a key role in evaluating its effects and side effects. In this research, a novel label-free DNA-based biosensor was fabricated for the analysis of epirubicin in biological samples. The sensor was fabricated through modifying a pencil graphite electrode with polypyrrole, nitrogen doped reduced graphene (for improving the electrical conductivity) and salmon sperm ds-DNA (PP/NrG/ds-DNA/PGE) and the changes in the electrode signal were used for the determination of epirubicin. The PP/NrG/ds-DNA/PGE showed a high sensitivity for epirubicin in the concentration range of 0.004–55.0 μM and had a detection limit of 1.0 nM. For further evaluations, the interactions between ds-DNA bases and epirubicin were investigated through a theoretical docking study and the obtained data confirmed the intercalation of epirubicin in the minor grooves of ds-DNA with guanine bases. The PP/NrG/ds-DNA/PGE was used for the analysis of epirubicin in injection and urine samples.
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Electrochemical Biosensors - Sensor Principles and Architectures
Grieshaber, D., MacKenzie, R., Vörös, J., & Reimhult, E. (2008) · Sensors · doi:10.3390/s80314000 · Cited by 2,329
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Karimi-Maleh, H., & Arotiba, O. A. (2020) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2019.10.007 · Cited by 404
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Metadata
- Authors
- Khodadadi, A., Faghih-Mirzaei, E., Karimi-Maleh, H., Abbaspourrad, A., Agarwal, S., & Gupta, V. K.
- Venue
- Sensors and Actuators B: Chemical
- Publisher
- Elsevier BV
- Published
- 2019-04
- Volume
- 284
- Pages
- 568-574
- ISSN
- 0925-4005 (ISSN-L)
- OpenAlex
- W2907348324
- Cited by
- 269
- References
- 1
- FWCI
- 20.71
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A new epirubicin biosensor based on amplifying DNA interactions with polypyrrole and nitrogen-doped reduced graphene: Experimental and docking theoretical investigations. https://app.cochat.ai/papers/10.1016/j.snb.2018.12.164
- The paper
- Khodadadi, A., Faghih-Mirzaei, E., Karimi-Maleh, H., Abbaspourrad, A., Agarwal, S., & Gupta, V. K. (2019). A new epirubicin biosensor based on amplifying DNA interactions with polypyrrole and nitrogen-doped reduced graphene: Experimental and docking theoretical investigations. Sensors and Actuators B: Chemical. https://doi.org/10.1016/j.snb.2018.12.164
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