Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 394

TABLE 8.22 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Neurotransmitters and Related Compounds

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

Dopamine
Dopac
Norepinephrine

Tyrosinase G/solid.p AD.in.HPLC.

(−0.2 V.vs..SSE)

Biosensor;.det..via.red..of.quinone;.pH.6.5;.LOD.
0.25-0.8.μM

[78]

Dopamine Banana.tissue G/mo DPV,.FIA.(−0.2.V.

vs..SSE)

Biosensor,.tissue.source.of.polyphenoloxidase;.
PBS.0.05.M,.pH.7.4;.LOD.13.nM

[276]

Dopamine
Epinephrine
Norepinephrine

Banana.tissue AD.in.HPLC.

(−0.2 V.vs..SSE),.
C18.column

Biosensor,.tissue.source.of.polyphenoloxidase;.
PBS.0.05.M,.pH.6.5;.s:.urine

[2564]

Dopamine Banana.tissue For. in vitro .and. in vivo .det. [2995-2997]

Dopamine
Pyrocatechol

Banana.tissue CV,.DPV,.FIA Biosensor;.tissue.as.a.source.of.

polyphenoloxidase

[2759]

Dopamine Apple DPV Biosensor,.apple.as.a.source.for.polyphenol.

oxidase;.det..by.red..of.quinone;.LOD.0.2.μM;.
s:.injections

[2998]

Dopamine Potato.tissue Biosensor,.tissue.as.a.source.of.

polyphenoloxidase;.LOD.1.6.μM

[2999]

Dopamine
l-Dopa
Dopac
Pyrocatechol

Potato.tissue G/mo,.also.as.RDE CV,.CA.(0.4.V.vs..

SCE)

Biosensor,.tissue.as.a.source.of.
polyphenoloxidase;.McIlvaine.buffer,.pH.6.5;.
LOD.2.5.μM.(5500.rpm)

[3000]

Dopamine
Norepinephrine

Zucchini.tissue G/mo DPV,.FIA.(0.7.V.vs..

SSE),.CA.
(−0.1/+0.7.V.vs..
SSE)

Source.of.polyphenoloxidase.and.ascorbate.
oxidase—eliminates.AA.interference;.PBS.
0.05.M,.pH.7.4

[3001]

Dopamine Spinach.tissue Biosensor.for. in vivo .and. in vitro .measurements;.

LOD.0.71.μM

[2123]

Dopamine
l-Dopa
Catechol

Eggplant.tissue G/mo A.(−0.2.V.vs..SSE) Biosensor;.tissue.as.a.source.for.

polyphenoloxidase;.det..by.red..of.quinone;.
PBS.0.1.M,.pH.7

[3266]