Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 414

TABLE 8.24 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Purines, Pyridines, and Pyrimidines

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

Uric.acid
Ascorbic.acid
Dopamine

C.nanoibers.(electrospun) G/mo CV,.DPV Improved.peak.resolution;.PBS.0.1.M,.

pH 4.5;.LOD.0.2.μM

[660]

Uric.acid
Dopamine
Acetaminophen
Ascorbic.acid
Epinephrine
NADH

Ordered.mesoporous.
carbon/mo

CV Improving.effects.of.ordered.mesoporous.

C,.comparison.with.CNT.and.CPE;.PBS.
0.05.M,.pH.7.4

[119]

Uric.acid
Ascorbic.acid
Neurotransmitter

C.ceramic.electrode,.
also.as.RDE

CV,.SWV,.CA Prepared.via.sol-gel.from.methyl.

trimethoxysilane.as.precursor;.PBS.
0.1.M,.pH.5

[3009]

Uric.acid
Xanthine
Hypoxanthine

Preanodization.(1.3.V.vs..SCE,.10.s) G/po CV,.DPV Improvement.of.signal.and.resolution;.

NaClO 4 .0.1.M.+.NaOH.0.002.M,.LOD.
5-10.μg.L −1 ;.s:.urine,.plasma

[1900]

Uric.acid
Ascorbic.acid
Dopamine

CILE.1-octyl.
pyridinium.
hexaluoro.
phosphate

CV,.DPV Simultaneous.det..without.mediators;.PBS.

0.1.M,.pH.6.8;.LOD.1.μM;.s:.serum,.
urine

[453,456]

Uric.acid SWCNT/1-butyl-3-

methylimidazolium.
hexluorophosphate

acc.(oc,.180.s),.CV,.CC Paste.on.GC.support;.PBS,.pH.4;.LOD.

5.nM;.s:.urine

[3128]

Uric.acid Naion.ilm.(spin.coated) G/mo SWV,.acc..(0.2.V.vs..SSE,.

30.s)

In.the.presence.of.AA;.citrate.buffer,.
0.05.M,.pH.4;.LOD.0.25.μM;.s:.urine

[1722]

Uric.acid CTAB LSV PBS.0.1.M,.pH.7.4;.LOD.1.μM;.s:.urine [3129]

Uric.acid
Ascorbic.acid
Dopamine

CTAB G/so CV Resolution.of.overlapping.responses;.PBS.

0.2.M,.pH.7.4

[1632]

Uric.acid
Ascorbic.acid

Cetyl.pyridinium.bromide CV,.CA,.CC Improvement.of.resolution.and.signal [2971,.

2972]