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Journals
Journal of Electrical Bioimpedance
Volume 9 (2018): Issue 1 (January 2018)
Open Access
Dopamine detection using mercaptopropionic acid and cysteamine for electrodes surface modification
Muhammad Salman Khan
Muhammad Salman Khan
,
Afia Asif
Afia Asif
,
Saed Khawaldeh
Saed Khawaldeh
and
Ahmet Tekin
Ahmet Tekin
| Aug 16, 2018
Journal of Electrical Bioimpedance
Volume 9 (2018): Issue 1 (January 2018)
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Article Category:
Research articles
Published Online:
Aug 16, 2018
Page range:
3 - 9
Received:
Feb 04, 2018
DOI:
https://doi.org/10.2478/joeb-2018-0002
Keywords
dopamine
,
cyclic-voltammetry
,
mercaptopropionic acid
,
microfabrication
© 2018 Khan SK, Asif A, Khawaldeh S, Tekin A, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Fig. 1
CV graph with forward and reverse scan [From 5]
Fig. 2
Process flow of gold electrode fabrication
Fig. 3
Gold electrode fabricated on COC substrate
Fig. 4
Process flow of photolithography process for silicon mold
Fig. 5
Process flow of Nickle shim fabrication
Fig. 6
Process flow of injection molded chip
Fig. 7
Schematic of complete fabricated chip
Fig. 8
Complete chip after fabrication and bonding
Fig. 9
Cyclic voltammograms at different scan rates for uncleaned thermally bonded chip
Fig. 10
Cyclic voltammograms at different scan rates for cleaned (with KOH) thermally bonded chip
Fig. 11
Cyclic voltammograms at different scan rates for uncleaned ultrasonically welded chip
Fig. 12
Cyclic Voltammograms at different scan rates for cleaned (with KOH) ultrasonically welded chip
Fig. 13
Impedance spectroscopy for cleaned and uncleaned thermally bonded chip
Fig. 14
Impedance Spectroscopy for cleaned and uncleaned ultrasonically welded chip
Fig. 15
CVs of dopamine detection on unmodified ultrasonically welded chip
Fig. 16
CVs of dopamine detection on MPA modified ultrasonically welded chip
Fig. 17
CVs of dopamine detection on cysteamine. modified thermally bonded chip
Fig. 18
Impedance spectroscopy for dopamine detection on thermally and ultrasonically bonded chip
Fig. 19
Tubing with different dimensions to find the suitable dimension for the flow-injection method
Fig. 20
Influence of different Tubings on flow injection
Fig. 21
Cyclic amperometry results for detection of unknown concentration of ferricyanide analyte
Fig. 22
Cyclic amperometry results for detection of unknown concentration of dopamine analyte