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Dopamine detection using mercaptopropionic acid and cysteamine for electrodes surface modification Cover

Dopamine detection using mercaptopropionic acid and cysteamine for electrodes surface modification

Journal of Electrical Bioimpedance
Volume 9 (2018): Issue 1 (January 2018)
By: Muhammad Salman Khan,  Afia Asif,  Saed Khawaldeh and  Ahmet Tekin  
Open Access
|Aug 2018

Figures & Tables

Fig. 1

CV graph with forward and reverse scan [From 5]
CV graph with forward and reverse scan [From 5]

Fig. 2

Process flow of gold electrode fabrication
Process flow of gold electrode fabrication

Fig. 3

Gold electrode fabricated on COC substrate
Gold electrode fabricated on COC substrate

Fig. 4

Process flow of photolithography process for silicon mold
Process flow of photolithography process for silicon mold

Fig. 5

Process flow of Nickle shim fabrication
Process flow of Nickle shim fabrication

Fig. 6

Process flow of injection molded chip
Process flow of injection molded chip

Fig. 7

Schematic of complete fabricated chip
Schematic of complete fabricated chip

Fig. 8

Complete chip after fabrication and bonding
Complete chip after fabrication and bonding

Fig. 9

Cyclic voltammograms at different scan rates for uncleaned thermally bonded chip
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
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
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
Cyclic Voltammograms at different scan rates for cleaned (with KOH) ultrasonically welded chip

Fig. 13

Impedance spectroscopy for cleaned and uncleaned thermally bonded chip
Impedance spectroscopy for cleaned and uncleaned thermally bonded chip

Fig. 14

Impedance Spectroscopy for cleaned and uncleaned ultrasonically welded chip
Impedance Spectroscopy for cleaned and uncleaned ultrasonically welded chip

Fig. 15

CVs of dopamine detection on unmodified ultrasonically welded chip
CVs of dopamine detection on unmodified ultrasonically welded chip

Fig. 16

CVs of dopamine detection on MPA modified ultrasonically welded chip
CVs of dopamine detection on MPA modified ultrasonically welded chip

Fig. 17

CVs of dopamine detection on cysteamine. modified thermally bonded chip
CVs of dopamine detection on cysteamine. modified thermally bonded chip

Fig. 18

Impedance spectroscopy for dopamine detection on thermally and ultrasonically bonded chip
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
Tubing with different dimensions to find the suitable dimension for the flow-injection method

Fig. 20

Influence of different Tubings on flow injection
Influence of different Tubings on flow injection

Fig. 21

Cyclic amperometry results for detection of unknown concentration of ferricyanide analyte
Cyclic amperometry results for detection of unknown concentration of ferricyanide analyte

Fig. 22

Cyclic amperometry results for detection of unknown concentration of dopamine analyte
Cyclic amperometry results for detection of unknown concentration of dopamine analyte
DOI: https://doi.org/10.2478/joeb-2018-0002 | Journal eISSN: 1891-5469
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Language: English
Page range: 3 - 9
Submitted on: Feb 4, 2018
Published on: Aug 16, 2018
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
dopamine,
cyclic-voltammetry,
mercaptopropionic acid,
microfabrication
Related subjects:
Engineering,
Bioengineering and biomedical engineering,
Biomedical electronics,
Life sciences,
Biophysics,
Medicine,
Biomedical engineering,
Physics,
Spectroscopy and metrology

© 2018 Muhammad Salman Khan, Afia Asif, Saed Khawaldeh, Ahmet Tekin, published by University of Oslo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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