Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 346

TABLE 8.18 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Phenolic Compounds and Antioxidants

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

Flavonoids G/Nj,.G/

diphenylether.+.
TCP

adSV.in.FIA BRP.ph.5;.s:.rutin.in.capsules [2763]

Flavonoids DNA.adsorbed G/mo,.electrically.

heated

DPV Biosensor;.protective.antioxidative.properties.toward.

cleavage.of.DNA.by.Cu(II)-phen.complex.+.H 2 O 2 .using.
Co(phen) 3 3+ .as.reporter

[293]

Flavonoids
Quercetin
Rutin

G/mo SWV Direct.interaction.study.with.ssDNA;.PBS,.pH.7 [2764]

Hydroquinone Core-shell.Fe 3 O 4 -SiO 2 /NH 2 .

NP.+.GA.+.laccase

g/p.(solid) CV,.A.(−0.232.V.vs..SCE) Biosensor;.PBS.0.067.M,.pH.5.5;.LOD.0.67.μM;.s:.

compost.extract

[979]

Hydroquinone CoPC Conductive.carbon.

cement

CV PBS.0.1.M,.pH.7 [633]

Hydroquinone Apple.tissue DPV Biosensor;.PBS.0.05.M,.pH.6 [2765]

p -Nitrophenol Moraxella .spp. g/mo A.(0.3.V.vs..SSE) Microbial.biosensor.via. p -hydroquinone.which.is.

oxidized;.PBS.0.02.M,.pH.7.5;.LOD.20.nM;.s:.lake.
water

[2440]

Phenol A.(0.895.V.vs..SSE) Direct.ox.,.phenol.released.from.phenyl.phosphate.in.a.

chromatographic.immunoassay

[2766]

Phenol Unmodiied ads..acc..(−0.5.V),.stripping.

(0.5.V)

Borate.buffer;.LOD.80.nM;.s:.tomato.sauce [2767]

Phenol Unmodiied CV,.adASV.(second-order.

diff.),.acc..(0.1.V.vs..SSE)

NH 3 /NH 4 Cl.buffer,.pH.9.25;.LOD.1.3.μM;.s:.water [1903]

Phenol Semimicroelectrode Sample.volumes.1-300.μL;.extracts.from.thin-layer.

chromatography

[548]

Phenol
2,4-Dichloro-phenol

CILE.
g octylpyridinium.
hexaluoro-
phosphate

CV,.A.(1.2.V.vs..SSE) BRP,.pH.2 [461]