Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 340

TABLE 8.17 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Amines and Other Amino-Compounds

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

Cysteine Co(II)-salophen G/Nj CV,.A,.DPV,.POT Catalytic.oxidation,.red..to.Co(I).salophen

E(POT).determined.by.Co(II)/Co(I).ratio
LOD(POT).1.μM

[1581]

Cysteine
Ascorbic.acid

Co(II)-4-methylsalophen G/Nj CV,.DPV Acetate.buffer.0.1.M,.PH.5.0;.LOD.0.5.μM;.

s:.synthetic.serum

[1586]

Cysteine
Dopamine
Uric.acid

2,2′-[1,7-Heptanediylbis.
(nitriloethylidine)]-bis-
hydroquinone.on.TiO2.
nanoparticles

G/po CV,.DPV,.SWV Simultaneous.det.;.PBS,.pH.7;.LOD.

0.84.μM;.s:.ampoules

[995]

Cysteine Quinizarine CV,.DPV PBS,.pH.7.0;.LOD.2.2.×.10 −7 .M;.in.the.

presence.of.tryptophan;.serum,.blood,.
pharmaceuticals

[1459]

Cysteine 4-Nitrophthalonitrile G/mo CV,.A.(0.33.V.vs..Ag/AgCl) Reduction.of.mediator.to.nitroso-.and.

hydroxyl.amine.comp.;.PBS,.pH.7.0;.LOD.
250.nM;.in.food.supplements

[2720]

Cysteine
Glutathion

Tyrosinase G.(activated).

po

CV,.A,.FIA Biosensor.via.blocking.of.substrate.

(catechol).recycling.by.thiols

[2721]

Glutamate Glutamate.dehydrogenase,.

NADP, polymeric.toluidine.blue.
(+[Ru(NH 3 ) 6 ]Cl 3 )

C/po.(+p.wax) FIA Biosensor;.regeneration.of.NADPH.with.

polymeric.toluidine.blue;.LOD.0.3.mM

[1751]

Glutamate Glutamate.dehydrogenase.+.NADP.

+polymeric.toluidine.blue.+.
lactitol.+.diethylaminoethyl.
dextran

C/mo A.(0.1.V.vs..Ag/AgCl) Biosensor;.improved.stability [939]

Glutamate Glutamate.dehydrogenase.+.

octadecylamine

Biosensor;.mediation.via.
hexacyanoferrate(III).and.phenazine.
methosulfate

[2722]

Glutamate Glutamate.dehydrogenase.+.dialysis.

membrane

BIA.(0.05.V.vs..SSE) Biosensor;.Dulbecco.buffer.+.phenazine.

methosulfate.0.5.mM.+.NAD + .1.mM

[2723]