Research Article

Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study

Volume: 23 Number: 5 June 27, 2025

Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study

Abstract

In this paper, biosensors of the Fe-Nitrogen-doped zigzag (8, 0) carbon nanotube and Fe-doped zigzag (8, 0) carbon nanotube were offered for detection of dopamine molecule. The adsorption property and sensing mechanism of Fe-doped zigzag (8, 0) carbon nanotube and Fe-N-SWCNT (8, 0) with dopamine were investigated based on density functional theory. The obtained results demonstrated that both Fe-SWCNT and the Fe-N-SWCNT had good adsorption for dopamine, also conductivity also grew when they interacted with it. When dopamine is adsorbed on the surface of the single wall carbon nanotube, a large number of electrons transfer from the Fe-N-doped zigzag (8, 0) single carbon nanotube to dopamine, resulting in lessened frontier orbital energy gap and increased electrical conductivity. On the other hand, when dopamine is adsorbed on the surface of the SWCNT, the electrons transfer from dopamine to the FeN-SWCNT, the frontier orbital energy gap rises, while the electrical conductivity declines. Thus, Fe-nitrogen- SWCNT (8, 0) is more suitable and sufficient than Fe-SWCNT (8, 0) for dopamine detection.

Keywords

References

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Details

Primary Language

English

Subjects

Pharmaceutical Biochemistry, Pharmaceutical Chemistry

Journal Section

Research Article

Authors

Publication Date

June 27, 2025

Submission Date

December 25, 2018

Acceptance Date

April 14, 2019

Published in Issue

Year 2019 Volume: 23 Number: 5

APA
Maddady, N. (2025). Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study. Journal of Research in Pharmacy, 23(5), 785-791. https://izlik.org/JA65HS37DZ
AMA
1.Maddady N. Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study. J. Res. Pharm. 2025;23(5):785-791. https://izlik.org/JA65HS37DZ
Chicago
Maddady, N. 2025. “Dopamine Detection by Doped Single-Walled Carbon Nanotube Biosensors: A Theoretical Study”. Journal of Research in Pharmacy 23 (5): 785-91. https://izlik.org/JA65HS37DZ.
EndNote
Maddady N (July 1, 2025) Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study. Journal of Research in Pharmacy 23 5 785–791.
IEEE
[1]N. Maddady, “Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study”, J. Res. Pharm., vol. 23, no. 5, pp. 785–791, July 2025, [Online]. Available: https://izlik.org/JA65HS37DZ
ISNAD
Maddady, N. “Dopamine Detection by Doped Single-Walled Carbon Nanotube Biosensors: A Theoretical Study”. Journal of Research in Pharmacy 23/5 (July 1, 2025): 785-791. https://izlik.org/JA65HS37DZ.
JAMA
1.Maddady N. Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study. J. Res. Pharm. 2025;23:785–791.
MLA
Maddady, N. “Dopamine Detection by Doped Single-Walled Carbon Nanotube Biosensors: A Theoretical Study”. Journal of Research in Pharmacy, vol. 23, no. 5, July 2025, pp. 785-91, https://izlik.org/JA65HS37DZ.
Vancouver
1.N Maddady. Dopamine detection by doped single-walled carbon nanotube biosensors: A theoretical study. J. Res. Pharm. [Internet]. 2025 Jul. 1;23(5):785-91. Available from: https://izlik.org/JA65HS37DZ